Fitech Single Plane Vs Dual Plane Dyno Results

The fast acting cam with 224 dur and moderate lift of 566 is a good street cam if mated to a dual plane intake. 0L based combo. I also had a single plane intake vs the air gap with the carb. The left vs right side of the manifold achieving different mixtures with respect given to the "G-Force" of turning left is most amusing in that the intake manifold being dual plane in typical fashion feeds both left and right cylinders from each the left and right sides of the carb, an offset Single Plane is one thing but the added complexity. I have a dual plane on my car that took 2 weeks 6 to 8 hours after work. Tested on the ProMaxx-headed 347 stroker, the intake teste once again illustrated the single/dual-plane conundrum. You could substitute this intake for a weiand stealth or another variant of a dual plane. Single plane vs dual plane. 4Vforever;286139 Wrote:The best all round intake (price and performance) would be the RPM air gap, but if price isn't a consideration, then the Scott Cook dual plane would be the pick. On my particular setup, 340 Mopar, carbed before, efi now, 8 to 1, 14 psi, 210/220 cam, 5500 rpm shift, 5 speed, in a Challenger, here is what I found in going from the best single I tested (Street Dominator) to a M1 dual plane and then to a Performer. single plane and a plate kit. Edelbrock single plane (Victor Jr) vs dual plane (Air-Gap) intake manifolds on the same engine in a dyno test at Westech Performance. Single Plane Intakes - EFI The recent N2O on a dual plane article in HRM may be instructive as the issues there was the concern over mixture distribution with a dual plane vs. It looks like all the multi port EFI stuff is all single plane, I was under the assumption that atomized fuel through an intake would all be the same and the only variables would be runner length, size and height, shape etc. RPM, Carb A/F, EFI A/F. 10024370A - 1. The Weiand intake was designed to be compatible with all OE installations. RPM, Carb A/F, EFI A/F. Holley Sniper Hi-Ram Fabricated Intake Manifolds are available for popular Chrysler, Ford, and GM engine platforms. 624-inch lift and 281/297-degree duration, which is designed to make power in the 2,000-7,000 rpm rev range. The dual plane pulled smooth and hard all the way through, but the T1 almost seemd to "miss" a little in the RPM range where the torque fell off. EDL-7576) is a dual-plane 180-degree design. Edelbrock Part # 7524 Dual-Quad HEMI intake manifold is intended for use with Mopar Gen II (1964-71) 426-572 HEMI engines operating in the 2,500 to 6,500+ range. Currently only available with the Dominator style carb flange. This engine produced 630hp with a single plane intake, and 580 with a dual plane. 500” Valves. 030 bore X 4. The effective shift in the power curve meant that the dual-plane intake improved torque production up to 5,300 rpm over the single-plane, in some cases by as much as 26 lb-ft. In my experience, the variation among examples within an intake types can be greater than the variation between single and dual plane. Edelbrock Part # 7101 Performer RPM intake manifold is designed for 1955-86 262-400 c. This competitive spirit carries over to carbureted induction systems, as the single-plane vs dual-plane feud has been going on for decades. Bottom end response would be better with the dual plane. Edelbrock Victor) Stage 5: Single Plane Single Carb Racing High-Rise Fully Ported/Dual Carb Tunnel Ram Input your cam intake duration @. The dual-plane makes more low-speed power, while the single-plane makes more top-end power. So I got the XT just for low end. first focal plane vs second focal plane. The main issue with obtaining the best performance using a carburetor is that it can't monitor the air to fuel ratio for. Warm starts sometimes will start and die. i never lost any TQ that i seen or needed. 60 valves, flow 245/170 @. The air gap was night and day for grunt. There was a measurable difference between the two ratios - but it was negligble. It IS a high rise intake, but that's all. It is a single plane intake that I got from a friend, Edelbrock Torker, the old school vintage one. Had they took the time to jet the system for a killer 505 with 2 inch primary tube headers-the results would have been very different. We already have a 650D-pumper. displacement's just over factory at 357 cubic inches. Cam is SRT MAX PLUS 219/227 -. Production casting test results coming soon! Stay Tuned…. We also changed the carb to a 750 Edlelbrock. Re: Dual Plane vs. Edlebrock tells us that the Performer dual-plane series is the right choice for the purposes described above, and that their single-plane manifolds are not. My car did fantastic on the chassis dyno without modifying the Performer but keep in mind that was with the ignition system sorted out and with the Sniper. Brodix Cylinder Heads Intake Manifolds, Carbureted. Junior It all boils down to you running a dual plane intake and I have a big single plane. Both of the engines I've worked on with them had dual planes, no spacer, so that can be worked around. 10024370A - 1. We tested it vs the stock Throttle body and others. about 50 ft lbs torque less with the single plane at 3500-3800 rpm. Edelbrock Victor) Stage 5: Single Plane Single Carb Racing High-Rise Fully Ported/Dual Carb Tunnel Ram Input your cam intake duration @. I have a dual plane on my car that took 2 weeks 6 to 8 hours after work. for $60 a year. Power Plus High Rise dual plane intake manifold or Edelbrock aluminum. 555 114 icl 110 lsa. dyno show more power with a old weiand tunnel ram on my old 572 vs the re work super vic but the single. See our Intake manifolds - 350 320 318 Chevy. I'm getting ready to pull my motor and trans over the winter. 79 @ 123 with the Victor (doing an apples to apples comparison, both on pump gas). Also, the TFS aluminum 215cc heads now have had nearly 50. Test Process and Interpretation of Data. The left vs right side of the manifold achieving different mixtures with respect given to the "G-Force" of turning left is most amusing in that the intake manifold being dual plane in typical fashion feeds both left and right cylinders from each the left and right sides of the carb, an offset Single Plane is one thing but the added complexity. Now, you can have our championship winning technology in your Camaro, Corvette, Chevy Truck, other LS. with a big 850 Holley made the most peak horsepower, but it needed a lot more RPM and wasn't very strong in the midrange. 125" on them too, heard speedmaster gets castings from the same place professional products. The dual-plane makes more low-speed power, while the single-plane makes more top-end power. Don’t know the specs of my cam, have ported heads with 1. Here is our most economical big bang for the buck package. Those tires for which discount is available will be identified in search results & product detail pages. When it was said and. A large single plane with it's open plenum design will not start moving air unless you have large cubic inch motor , lots of compression or until you start getting your rpm up. When we selected parts for the build we had two main priorities: high-end power, and durability. 25 and yes, they tested the new intake vs. @4,000 rpm. A raised plenum floor increases flow velocity and fuel. Edelbrock single plane (Victor Jr) vs dual plane (Air-Gap) intake manifolds on the same engine in a dyno test at Westech Performance. single plane w/plenum divider, vs dual plane??? Post by 3pedals » Mon Oct 13, 2008 7:22 am can a fabricated plenum divider help a large single plane intake perform as well at low rpm as a dual plane? - specifically for a street/strip application. The manifold pressure may very low to high side ports, but the TBI only sees one side, cant say which though. Our EFI Dyno Run. The single plane intake does hurt bottom end some. They recommended running a spacer on a dual plane or single plane manifold because they experienced some issues as well. Honestly i was figuring it would break the 600hp mark, but then again the dyno could be a little on the conservative side. I ran a fairly standard 400ci in my F150, it ran a mild cam, and dual plane edelbrock manifold, with straight LPG, and it was as quick as a 3. Yes, there are companies that make 180* single plane intakes for Caddies. I'd like to use a single plane type intake if I can find one. It has been good, but never really been perfect. F-150 Intake Mani W/Airaid intake and open grill with stack/Local Dyno Tune/MBRP Just look at Dual plane vs Single plane. Edelbrock® - Single Plane vs Dual Plane Manifolds Edelbrock® Performer™ RPM Dual-Quad Dual Plane Large Port Intake Manifold by Edelbrock®. the four hole will increase low end torque due to (velosity) there are diffrent style 4 holes that do alot of diffrent RPM ranges and curves i prefer on a dualplane a 4 hole modified style. A high rise, dual plane design works well for a lot of applications. Pulls will be. Here's the specs on the engine:-360 block. The dual plane pulled smooth and hard all the way through, but the T1 almost seemd to "miss" a little in the RPM range where the torque fell off. Cam Motion provides superior quality, high performance camshafts and valve train components for GM LS & Gen 5 LT engines. design is an excellent compromise between single and dual plane. STREET DOMINATOR® SERIES (SINGLE PLANE): The Holley single plane Street Dominator series was designed for use in the idle to 6000 RPM range. Provides power like a single-plane and throttle response like a dual-plane. then the smaller port dual plane going to a larger head would induce fuel separation and loss of port velocity and the numbers would swing in favor of single plane. In head to head comparisons I have seen comparing dual and single plane intake manifolds, the single plane starts making more power once the rpm hits around 4500 rpm. Receive a discount equal to the price of a single tire when four tires are added to the cart. The intake was leaking oil front and rear, the air cleaner was hitting the hood, so since the manifold had to come off anyway, I talked the owner into swapping to the Performer RPM (not air gap) dual plane manifold. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. Love my Sniper kit, I've had it on the car since April. The amount of fuel that can flow through these jets depends completely on the amount of air that can be pulled into the carburetor venture. Re: Thrush mufflers vs Flowmaster « Reply #31 on: June 21, 2010, 07:41:19 PM » I put a set of them on an 82 K5 with a 454 BBC and it sounded like a garbage truck. The single plane went on and supposedly ran flawlessly. Developed from the popular Engine Masters Challenge - a dyno shootout event also presented by AMSOIL - Engine Masters on the Motor Trend YouTube Channel is hosted by David Freiburger of Roadkill, Steve Dulcich of Engine Masters magazine, and Steve Brule. My engine builder kept pushing me to a single plane, but I wasn't sold until my research came across the issues with dual planes and efi and I saw the testing results on Engine Masters as well. I am most skeptical of the single plane tho. So its not just for looks. This is another single plane that thinks its a dual plane, generating over 390 ft-lbs of torque from 3250 to 6250 rpm. Even though the RPM Air Gap is a dual-plane intake manifold, a divided spacer can cause some power loses because the divider will cover the cutout in the plenum wall. BoogieMan™ Single Plane Intake AF71475 $695 This is the king of the hill when it comes to single carb intakes. Team tops its 512 Mopar stroker with Trick Flow's slick new big-block heads and intake, then hits the dyno. I agree - yet some don't ! It was stated that the high rise dual would suit a combo running a cam less than 240 @. I was faced with that choice once. The dual plane, 180° designs feature a multi-level plenum design that essentially separates adjacent intake pulses by alternating planes, while the single plane, 360° models feed all cylinders. Classic dual plane manifolds offer a nice combination of good, low- to -mid-range torque while coming on strong at high RPM. I have been 10. a good Edelbrock single bbl intake. All other tires and special order tires are excluded from this offer. about what you'd expect from a small runner single-plane vs. It is offered with three different style carburetor pads — 4150, 4500, or BHJ spread-style dominator. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications EFI Single Plane - Intake Manifolds JavaScript seems to be disabled in your browser. Weiand Stealth Dual Plane Intake Top-of-the-line dual plane manifold combines the low-end throttle response of a 180-degree design with the top-end power you'd expect of a single plane. Dyno: DynaPack 4022 Dynamometer. The single plane can use a smaller carb as ther are fewer turns and twists. Dave's wife stopped in just as he was making a pull and took a quick. It IS a high rise intake, but that's all. Pulls will be started at 1800rpm to get the T350 tranny in 3rd gear during the pulls. If left alone, that separator in the plenum will cause nothing but trouble for the EFI, which does not require the same kind of intake vacuum signal that. It's definitely doable to make that power and run that fast in a NA 5. Cam is SRT MAX PLUS 219/227 -. Shop for affordable electronic fuel injection systems developed using OEM-level components, walkthrough FiTech Fuel Injection. Yes, you will be leaving peak hp on the table, but what does that mean? Guys dyno their engines and see a peak hp number at, say, 6500 or 7000 rpm and try to make that number go higher by switching out parts or whatever. Within a V-8 engine, the induction cycle of each cylinder is long enough that its combustion process will overlap the next cylinder in the firing order. Since the carb is probably a hair big for us & the intake is rated to pull 6500, what about putting a 4-hole spacer under the carb? I was reading a carb book and it said that 4-hole spacers will help the velocity of a large carb and normally pick up low-mid range power. Ported the intake and port matched it also. Single plane air-gap that looks to have the longest runners of a single plane. It felt good but always lacked something so I changed to a TP Dual plane high rise, as the car doesnt spend much time above 5k and isnt thrashed. Re: Dual Plane vs. Obviously the combination required more airflow than the single throttle body could muster, so the dual 4150 throttle bodies allowed the system to breathe. If you were dealing with a small-block, the decision as to whether to use a single- or a dual- plane would be relatively easy to make. In the interest of "full disclosure", the air that day was horrible. I have been tuning Carter and Edelbrock carbs for thirty years and am fully aware of the processes required in re-calibration and enhancements. First Is a marine GMPP intake I already have. With the ability to have a superior routing from the plenum to the port runner, a single-plane has a far better chance at producing big top-end numbers, but success is. 5:1 compression ratio; Dart Pro 1 215cc heads; Holley throttle body on Dart single plane manifold with Holley HP EFI plenum spacer; COMP Cams hydraulic roller cam 254/266. 500" lift, hyd rollers, dual plane manifold, flat top pistons etc). I agree - yet some don't ! It was stated that the high rise dual would suit a combo running a cam less than 240 @. The factory dual snorkel air cleaner WILL NOT CLEAR the factory hoods on 1958-1964 Chevrolet and Canadian Pontiac full size passenger cars. Last fall I made a custom drop base for my Trans Am. so round 2100 and you dont have to modify fuel rails, (which i think ya do with come). After a recent Hughes Engines’ test in Mopar Connection Magazine comparing single- vs. HRE Sheet Metal Intakes. While adding a spacer defeats the purpose of the dual-plane and increases it's peak effective RPM range, it becomes a divided single-plane. Page 1 of 2 - Carb Spacer Tech - posted in Engine: Hi guys, I have been considering trying a carb spacer on my engine to see what it does. Pulls will be started at 1800rpm to get the T350 tranny in 3rd gear during the pulls. 302 vs 351 dyno 302 vs 351 dyno. The single-plane offered more power above 4,900 rpm, but lost out below that. Black 1985 GT: 408w, in the 6's in the 1/8 mile Color TBD 1988 LX 5. The dual plane pulled smooth and hard all the way through, but the T1 almost seemd to "miss" a little in the RPM range where the torque fell off. It is probably the best flowing dual plane multiple carburetor manifold. Gonna see if swapping a dual plane intake out for a single plane intake actually does anything at all positive for FiTech TB EFI. Notice the rpm range where we started this dyno run with this cam. With a single-plane currently installed, we needed a dual-plane for our 340 equipped Dart, so we acquired an Edelbrock Performer RPM Air-Gap intake manifold (PT# EDL-7576) from. It is very similar, but is split pattern. This close spacing requires that 4150 and 4160 4v Holley carburetors must be mounted sideways, and actuated with a suitable linkage. Replies: 0 Views: 643; Last Post By: Last Post : 02-18-2015 09:19 AM. Hey All, I am putting some finishing touches on the engine for the 67 Restomod (pic attached) and had an intake question. Single Plane - 468 cid - 565 cid, Sniper Single Plane - 565cid + All American Manufacturer of Racing Cylinder Heads and Intake Manifolds Pro-Filer Performance Products P. You may have to register. The only way I could get it to dyno is to baby it up to about 2500 rpms and mash it. But on a street engine, how much time do you spend above 4500 rpm? To each his own. with a big 850 Holley made the most peak horsepower, but it needed a lot more RPM and wasn't very strong in the midrange. Seen on Car Junkie TV YouTube channel!. The RPM Air-Gap has an open-air space between the runners and the lifter valley, which reduces the amount of. The fast acting cam with 224 dur and moderate lift of 566 is a good street cam if mated to a dual plane intake. 302 vs 351 dyno 302 vs 351 dyno. Rich from fastman efi got back to me stated all tbi efis benefit from a single plane manifold. A Strip Dominator (with 1" spacer) made 15 HP more at peak than the ported dual plane Ford so the unported Blue Thunder was down about 47 HP to the Strip Dominator. My car did fantastic on the chassis dyno without modifying the Performer but keep in mind that was with the ignition system sorted out and with the Sniper. RPM AirGap with a carb (new intake with carb is Combination #3). I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. - if it's a strip build, far easier to port a single plane than a dual plane if after a larger CSA for higher. Edelbrock Part # 7101 Performer RPM intake manifold is designed for 1955-86 262-400 c. Can't say how much high rpm gains was due to the single plane because I did the change during a rebuild when I made some other minor mods. Mustang & Fords magazine did a dyno test on a stone stock 289 mustang a year or two back, and one of the first things they did was swap a Performer RPM manifold and 600cfm carb on an entirely stock 289, and it ran terrible and barely picked up any power no. Given the fact that the dual plane with FiTech gained 17 lb. Dyno Results. We tested it vs the stock Throttle body and others. Edlebrock tells us that the Performer dual-plane series is the right choice for the purposes described above, and that their single-plane manifolds are not. LS7 4-bbl Intake Manifold. 302 vs 351 dyno 302 vs 351 dyno. Classic dual plane manifolds offer a nice combination of good, low- to –mid-range torque while coming on strong at high RPM. I’m running timing and using a 6A box to get multi spark and a G-Surge lift pump to get the fuel pressure. Good scenario, dual-plane with the divider machined down. I "single planed" my 331 back in '06. 500" lift, hyd rollers, dual plane manifold, flat top pistons etc). dual quad is the ultimate performance piece at this time for the Poly motor. Also, is the carb spread the same on both. of torque while losing 7 hp over the single plane I'm going to leave my engine alone. I think CTX has this right in that you are optimizing dry flow characteristics. 2 deck block way back then). NOTE: LSX Ignition Controller P/N 19171130 is required for carbureted applications. I think CTX has this right in that you are optimizing dry flow characteristics. With a taller single plane, the 950HP dyno carb, an exhaust cross-over, 950HP Holley, optimized exhaust, UPM's hydraulic roller lifter oil and maybe a bit more compression, this thing could be knocking on 600 HP. add or remove components or upgrade/downgrade components to fit the need/budget. @4,000 rpm. Dual-plane intake manifolds (left), typically have longer intake runners, making them ideal for low and mid-range power (idle - 5,500 rpm). I'd like to use a single plane type intake if I can find one. But the HP should be right even though the torque is reading low. A dual-plane manifold splits the plenum in half. View Compare. A raised plenum floor increases flow velocity and fuel. The dual-plane also offered more power at speeds of more than 6,300 rpm, but the LS1 was slightly better between those two. 13 Hello all, I have this intake that I bought a LONG time ago. well i ran tunnel rams on the street and only took it off for a blower i have a customer with a tub out 57 chevy pickup that drives it every were with a tunnel ram bbc. A dual-plane. Edelbrock single plane (Victor Jr) vs dual plane (Air-Gap) intake manifolds on the same engine in a dyno test at Westech Performance. We are looking at a 1973 Chevrolet Camaro powered by a built GM LQ4 V8. Kickdown cable disconnected to keep it there. On the first with iron 4V heads, In those tests, a ported Ford aluminum dual plane made 31 HP and 23 ft-lbs more than an unported Blue Thunder. 100% TIG welded. Edlebrock deliberately designed the 2665 4V performer port like that for a reason and that being to keep good. Re: Single plane vs dual plane intake with a Sniper I watched an engine masters video last night where they were doing a Holley 750 vs a EFI on a crate small block and couldn't get it run right so they swapped a single plane in and, viola, the thing ran perfect. Fully Ported Kaase Victor 4150 Intake Manifold. Now, you can have our championship winning technology in your Camaro, Corvette, Chevy Truck, other LS. The fast acting cam with 224 dur and moderate lift of 566 is a good street cam if mated to a dual plane intake. Seen on Car Junkie TV YouTube channel!. I'm going with an Edelbrock Torker II single plane with a FiTech system. Same thing as a dual plane intake helps low end torque. Edlebrock tells us that the Performer dual-plane series is the right choice for the purposes described above, and that their single-plane manifolds are not. Has been on Dyno with Vetten and result was 412HP/5500rpm and 618Nm/3200rpm, dynoed before installation of Fast-Efi and result was more or less the same. “Dual-plane manifolds are often called 180-degree manifolds because of this,” says Smith. Edelbrock is the most respected name in performance. Just pulled trigger on FiTech Discussion in 'High Using a single-plane intake manifold as an example, you must first realize how a single-plane intake manifold functions. We spent some time with FiTech owner, Ken Farrell, and asked him a few questions an enthusiast might have when making the swap or building an engine designed to utilize this modern technology. The biggest issue the dual plane can cause with TBI is cold start problems from the fuel condensing in the runners before getting to the cylinders. Like the single throttle body version, the dual-quad Hi Ram excelled at high-rpm power production. Polished intakes also available. 10024370 - Bare Head - Center bolt valve covers only. intake, the peak horsepower output jumped to 441 horsepower at (a slightly higher) 6,500 rpm, but peak torque dropped to 405 lb-ft at (again, higher) 5,000 rpm. > Specifically, is it a >single plane or dual plane unit? If I was looking > at it, how could I tell >the difference between single or dual plane? > Thanks - Jim A dual plane. So its not just for looks. You are best off with a low rise single plane intake. 555 114 icl 110 lsa. The other thing that I found interesting on the dyno sheets was how the T1 seemed to be "coming back" at higher RPM. 3,000, 11, 12. Unlike the single-plane manifold that has overlapping pulses every 90 degrees of crankshaft rotation, the dual-plane manifold only sees an induction pulse every 180 degrees of crank rotation. The car makes more torque right off the line, but on a dyno with an auto tranny it’s tough to keep it in high gear to test down there. I bought one at a yard sale a few years ago for $30, turned around and sold it on ebay for $138! Guys building 60's and 70's nostalgia cars love 'em. I suppose you're pretty limited with manifold selection for NSS because it would be a lot better with a single plane. I was wondering about the effect of an open vs. Put it on the dyno and it made 278 RWHP and 332 RWTQ with some vacuum at the top end. Single Plane Intakes - EFI The recent N2O on a dual plane article in HRM may be instructive as the issues there was the concern over mixture distribution with a dual plane vs. I also had a single plane intake vs the air gap with the carb. It felt good but always lacked something so I changed to a TP Dual plane high rise, as the car doesnt spend much time above 5k and isnt thrashed. This close spacing requires that 4150 and 4160 4v Holley carburetors must be mounted sideways, and actuated with a suitable linkage. We are unable to start a run at this low of an rpm with any of the larger cams used in a 383 engine. Comp/FAST recommended the same thing after talking to them about it today. New cam (nothing crazy, basically a tow cam for down low grunt) and lifters, new dual plane intake manifold (for more low end compared to the single plane I was running) and rebuilt/freshened up the trans. The design improves air velocity through the manifold and carburetor, which improves engine efficiency at low to moderate speeds. Single plane air-gap that looks to have the longest runners of a single plane. I am considering 4 options 2 involves welding in bungs and mounts for the fuel rails. It's 100% related to cam LSA, along with other minor things like cast exhaust manifolds, catalytic converters and resonators which smooth out the exhaust pulses and soften the sound. With our selection of intake manifolds, you can match your engine setup with the perfect single plane or dual plane manifold, single or double carburetor intake manifold, tunnel ram, hi-rise intake manifold and more!. Fully Ported Kaase Victor 4150 Intake Manifold. first focal plane vs second focal plane. 302 vs 351 dyno 302 vs 351 dyno. Hey All, I am putting some finishing touches on the engine for the 67 Restomod (pic attached) and had an intake question. A high rise, dual plane design works well for a lot of applications. 528 lift) and my peak power. Also tested single vs dual plane, ls3 vs @compcamsofficial cam, an @fastofficial LSXR and multiple boost levels. *Results*: 501 HP @ 5,100 rpm/525 lbs. It got me wondering if the Terminator EFI system, being a below blade throttle body. It comes alive at about 2500 or so and pulls to about 6000rpms. a good Edelbrock single bbl intake. Vortec tech sheet - H05. New cam (nothing crazy, basically a tow cam for down low grunt) and lifters, new dual plane intake manifold (for more low end compared to the single plane I was running) and rebuilt/freshened up the trans. A raised plenum floor increases flow velocity and fuel. Here is the combo: Ford 306 Cube Edelbrock Performer RPM heads (#60329 - 60cc, 1. Trick Flow® Track Heat® Intake Manifolds for Ford 351C and Windsor-based Clevor-style engines are designed for street/strip applications. Holley Sniper Hi-Ram Fabricated Intake Manifolds are available for popular Chrysler, Ford, and GM engine platforms. The dual plane pulled smooth and hard all the way through, but the T1 almost seemd to "miss" a little in the RPM range where the torque fell off. The gain… 37hp over the competitors dual-quad/dual plane offering. That type you have is very restrictive and it has been proven in dyno tests. 0, MSD 6AL, MSD distributor and MSD coil, TH400, stall 2600. We recorded the A/F numbers and fuel flow for both the single- and dual-plane tests and noticed an interesting trend. This video shows our prototype HEMI Dual-Quad Single Plane Manifold on the dyno. Id go the TP dual plane high-rise. 700 long H-Beam connecting rods are both 4340 forged and are paired. 355 small block chevy. Chevy V8's for maximum power and a broad torque curve for high- performance street/marine engines. Started by John Thompson, 01-21-2018 03:26 PM. The Mazda RX7 (wankel) used 2 plugs per rotor for years. We recorded the A/F numbers and fuel flow for both the single- and dual-plane tests and noticed an interesting trend. Figure 1: A simple plane pendulum (left) and a double pendulum (right). Hey All, I am putting some finishing touches on the engine for the 67 Restomod (pic attached) and had an intake question. The design improves air velocity through the manifold and carburetor, which improves engine efficiency at low to moderate speeds. Bosses for EFI injectors for custom applications. 624-inch lift and 281/297-degree duration, which is designed to make power in the 2,000-7,000 rpm rev range. w/ 8561 melonized gear, Blaster coil, Taylor 8mm wires, NGK BKR5EGP plugs @. From a performance perspective the best known engines are the 427s found in the original 427 Cobras, Galaxies, Fairlanes, and Cougars, and the. This competitive spirit carries over to carbureted induction systems, as the single-plane vs dual-plane feud has been going on for decades. It all comes down to which one is best for the combination and use you want out of your truck. It felt good but always lacked something so I changed to a TP Dual plane high rise, as the car doesnt spend much time above 5k and isnt thrashed. Id go the TP dual plane high-rise. Notice the rpm range where we started this dyno run with this cam. In head to head comparisons I have seen comparing dual and single plane intake manifolds, the single plane starts making more power once the rpm hits around 4500 rpm. With single plane intake, you need to make sure that the idle screws were evenly set BEFORE you started to mess with them. In head to head comparisons I have seen comparing dual and single plane intake manifolds, the single plane starts making more power once the rpm hits around 4500 rpm. Id go the TP dual plane high-rise. I have however seen a couple of posts that say. The manifold pressure may very low to high side ports, but the TBI only sees one side, cant say which though. Sniper EFI on my 66 300. If you don't want to block that cutout, use an open-center spacer. Thnx @holleyperformance for the HP ECU! - #atkengines #atkhighperformanceengines #engine #engineswap #lsswaptheworld #lsx #ls3 #hotrod #horsepower #torque #crateengine #efi #ls7 #Chevrolet #boost #corvette #ctsv #LQ4 #. Intake manifolds should be closely matched with your cam and valvetrain to build peak horsepower. EFI Versus Carb Dyno Test! Mar 17, 2017 Efi Fitech Dyno Carburetor Single Dual Plane Intake View Full Single-Plane Intake Carb vs. New cam (nothing crazy, basically a tow cam for down low grunt) and lifters, new dual plane intake manifold (for more low end compared to the single plane I was running) and rebuilt/freshened up the trans. Discussed my goals with Shane: reliable 200rwhp, max 13PSI (stock internal, stock head gasket), street drivability. Harassment in any manner or form on the site, including via e-mail, chat, or by use of obscene or abusive language, is strictly forbidden. Funny thing is I always wondered how the FiTech with a airgap would perform next to. Also tested single vs dual plane, ls3 vs @compcamsofficial cam, an @fastofficial LSXR and multiple boost levels. Oh, and the Edelbrock intake is not a 180* intake - it is dual plane intake just like the stock one. We'll assemble a list of parts for the carbureted conversion and offer multiple selections, but unless you're building some kind of absurdly fast street car, a dual plane like the Edelbrock Performer RPM or Holley's version is the best choice. I "single planed" my 331 back in '06. With this as part of the power recipe, I have seen as much as 570 hp from a dual-plane, bored and stroked small-block Chevy. This is because it has a flat-plane crankshaft dual-overhead-cam V8. Since the carb is probably a hair big for us & the intake is rated to pull 6500, what about putting a 4-hole spacer under the carb? I was reading a carb book and it said that 4-hole spacers will help the velocity of a large carb and normally pick up low-mid range power. a 90-degree merge. From a performance perspective the best known engines are the 427s found in the original 427 Cobras, Galaxies, Fairlanes, and Cougars, and the. Way more average power under the curve with the RPM dual plane. 60 valves, flow 245/170 @. 302 vs 351 dyno 302 vs 351 dyno. DON'T MATCH A 4V TO SINGLE PLANE AND EXPECT TO OPERATE DECENTLY BELOW 5500 RPM. Box: 217 , New Carlisle , OH 45344 Phone: 937-846-1333 Email: [email protected] Judged solely by peak numbers, the single-plane Victor Jr. Fully Ported Kaase Victor 4500 Intake Man. Precision machined and dyno tuned $15,600 – #16,500. I'm running a Dart SHP dual plane with a FiTech GoEFI 4 600HP on top of it. Ford built FEs from 1958 through 1976, in a wide variety of configurations. FiTech Fuel Injection may assign its rights and duties under this Agreement to any party at any time without notice to you. Use of Site. The single plane intake does hurt bottom end some. Holley carb on single and dual plane manifo …. sxhkd, Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 0L mill which came from the factory in some of GM's harder working vehicles in the late 90s and early 2000s. Some of the key players in this equation include a factory LSA crankshaft, LS3 CNCed cylinder heads with ported intake runners, and a Comp Cams LSR roller camshaft with. Again this is contrary to experience on streetable stock displacement 351C's. They make excellent mid range power. Re: Single plane vs dual plane intake with a Sniper I watched an engine masters video last night where they were doing a Holley 750 vs a EFI on a crate small block and couldn't get it run right so they swapped a single plane in and, viola, the thing ran perfect. The dual-plane also offered more power at speeds of more than 6,300 rpm, but the LS1 was slightly better between those two. The best manifold in the test was the Performer RPM Air Gap, which offers the midrange and bottom-end pull of a dual plane intake, but the high-rpm horsepower of a high-rise single plane. Old skool Edelbrock performer 4V intake question April 17 2012 at 12:12 AM Mike (Login beastmanh) Member from IP address 97. A dual-plane manifold splits the plenum in half. 555 114 icl 110 lsa. I'm running a Dart SHP dual plane with a FiTech GoEFI 4 600HP on top of it. When we selected parts for the build we had two main priorities: high-end power, and durability. Brodix BB-3-X-tra 380 cc CNC heads w Titanium retainers. Amc 360 dyno results Amc 360 dyno results. This allows both single- and dual-plane intakes to be used with the same characteristics that they have with a carburetor. Bosses for EFI injectors for custom applications. Ive seen it stated a few times for boosted blow through setups to use a single plane manifold over a dual plane manifold for more even fuel Create Topic. Oh, and the Edelbrock intake is not a 180* intake - it is dual plane intake just like the stock one. Edelbrock® - Single Plane vs Dual Plane Manifolds Edelbrock® Performer™ RPM Dual-Quad Dual Plane Large Port Intake Manifold by Edelbrock®. On the other side since single plane intakes usually have more even air/fuel distribution to each cylinder I can see why some posts state that FiTech systems operate better on single plane intakes. Single Plane Intakes - EFI I have not run it on a single but can say the two single planes I have used it worked great on, but feel the same as Chad and you about do you gain enough to give some up down low I would say dependin on converter and gears in the car maybe more down low is still better and give some on top up. Rule: "Single-plane" is better at high RPM; "Dual-plane" is better at low RPM. Chevy V8's for maximum power and a broad torque curve for high- performance street/marine engines. 450 and up), w/headers, and low rear end gears to reach optimum performance and will outperform the OEM dual plane single four barrel. That type you have is very restrictive and it has been proven in dyno tests. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. Shop for affordable electronic fuel injection systems developed using OEM-level components, walkthrough FiTech Fuel Injection. sxhkd, Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Iron EAGLE s/s 23 ° 170cc (96-99 Vortec Intake Face with Self-Aligning Rockers) 67cc Chambers - 1. I have run both the RPM Air-gap dual plane, and the Victor single plane on my 410. On the other hand, most dual-plane intake manifolds work best with open spacers with a height of between 5/8-inch and 1 1/2 inches. Performer™ RPM Dual-Quad Dual Plane Large Port Intake Manifold by Edelbrock®. The Victor produced 10 foot pounds of torque over the factory dual plane. The single plane pulled harder after 2000RPM. I am considering 4 options 2 involves welding in bungs and mounts for the fuel rails. An entry level single plane will sacrifice torque and low speed manners for MAYBE a little more horsepower, depending on your heads, cam, and exhaust. This close spacing requires that 4150 and 4160 4v Holley carburetors must be mounted sideways, and actuated with a suitable linkage. These single plane manifolds feature a high-rise, one-piece spider design with high-flowing, individual extended runners for significant horsepower and torque increases in the 3,000-7,000 rpm range. The engine is, therefore, all period correct with stock unported/undecked NOS heads; forged pop ups(12:1 CR),a vacuum secondary, 750 Holley; unported/unport matched factory 4V dual plane intake and a period cam ( Crower 290/298-549/561 advertised on 108 degree lobe centers, run straight up. Dual Plenum Intakes. The car makes more torque right off the line, but on a dyno with an auto tranny it’s tough to keep it in high gear to test down there. There were three other issues; cost, appearance and power output. 429 / 460 Single Plane Dominator. 7 dual quad dual plane for the Gen 3 6. 0L mill which came from the factory in some of GM's harder working vehicles in the late 90s and early 2000s. Dual Plane Intake shown below. Developed from the popular Engine Masters Challenge - a dyno shootout event also presented by AMSOIL - Engine Masters on the Motor Trend YouTube Channel is hosted by David Freiburger of Roadkill, Steve Dulcich of Engine Masters magazine, and Steve Brule. 10024370A - 1. with a big 850 Holley made the most peak horsepower, but it needed a lot more RPM and wasn't very strong in the midrange. Get a drop base from a reputable Pontiac supplier… Pro touring F body Drop Base – Uses Airaid cone shaped filter. 3V Ford Cleveland Dual-Plane Manifold Our Ford Cleveland 3V dual plane air-gap intake manifold is the result of countless hours of CFD analysis and engine dyno testing. My setup: Corvette 1972 SBC with stock buttom engine and Fast Efi V1. Flows a lot more air and runners individual flow numbers are closer than a dual plane. 460 Ford Single Plane C-460 Head. The single plane can use a smaller carb as ther are fewer turns and twists. Like the single throttle body version, the dual-quad Hi Ram excelled at high-rpm power production. a good Edelbrock single bbl intake. The air gap was night and day for grunt. Tested on the ProMaxx-headed 347 stroker, the intake teste once again illustrated the single/dual-plane conundrum. There was a measurable difference between the two ratios - but it was negligble. At higher rpms the turbine needs to be driven harder on a single plane vs the dual since the blades are taking bigger bites of air. The GSR vs ITR comparison is easier to answer, the single runner of the ITR makes much more top end power compared to the dual runner manifold used on the GSR, considering that the ITR engine revs to 8600 rpms it needs a lot more air flow at higher rpms and the dual manifold chokes up at anything over 8000 rpms. Cam Motion provides superior quality, high performance camshafts and valve train components for GM LS & Gen 5 LT engines. After a recent Hughes Engines’ test in Mopar Connection Magazine comparing single- vs. Precision machined and dyno tuned $15,600 – #16,500. I've read through various posts that say the the Edelbrock Performer Intake is a good choice for low RPM / drivability and the Torker is better choice for high RPM situations. Being a Dual-plane manifold, I've read on a lot of american forums that I am probably more suited to. well i ran tunnel rams on the street and only took it off for a blower i have a customer with a tub out 57 chevy pickup that drives it every were with a tunnel ram bbc. Aluminum Dual-Plane M1 Four-barrel Intake Manifold Heavy-Duty Single Valve Springs with Dampers Premium Valve Stem Seals Forged Steel Crankshaft Premium Double Roller Timing Chain and Sprockets High-Performance Electronic Distributor Specifi cations Bore x Stroke: 4. Kaase Boss Nine Intake Manifolds. In my case, I have a dual plane intake manifold where the intake runners left/right are separated. I was wondering about the effect of an open vs. 13 Hello all, I have this intake that I bought a LONG time ago. Founded in 1978, Cam Motion has a long history of helping racers win major championships at the highest levels of racing. A typical mobile CB antenna does not transmit horizontally, it radiates in a downward pattern. I'm getting ready to pull my motor and trans over the winter. To help our customer's shop hassle-free, we have categorized our products. 2 deck block way back then). Material: A356-T6 aluminum 429 / 460 Single Plane Dominator. Using one generally improves the power curve from about 4,200 rpm on up. You have a choice of single or dual plane intake. Single plane because as mentioned, the TBI system has one fault and it is manifold pressure across a dual plane intake. Stock replacement, street and strip performance, or towing upgrade with mildly modified engines from idle to 5,500 RPM. RPM air-Gap intake on our 5. Test car -TVS blower , headers Pump gas, 16psi 19 degrees of timing, full exhaust with cats. Fully Ported Kaase Victor 4150 Intake Manifold. A high rise, dual plane design works well for a lot of applications. We also changed the carb to a 750 Edlelbrock. These single plane manifolds feature a high-rise, one-piece spider design with high-flowing, individual extended runners for significant horsepower and torque increases in the 3,000-7,000 rpm range. Get a drop base from a reputable Pontiac supplier… Pro touring F body Drop Base – Uses Airaid cone shaped filter. FiTech tuning for trails and rock crawling. #8---440 Stage1 Dyno Test 07/14/2002 558. 8, you have a single plane intake vs my dual plane, your 850 carb vs my 750, my cam is flat tappet with a hair more duration and. You could substitute this intake for a weiand stealth or another variant of a dual plane. The only way I could get it to dyno is to baby it up to about 2500 rpms and mash it. FiTech Go EFI 4 600 hp self-tuning fuel injection systems have the ECU mounted on the throttle body for greater self-containment, clean installation, and easy setup. Edlebrock deliberately designed the 2665 4V performer port like that for a reason and that being to keep good. Single plane air-gap that looks to have the longest runners of a single plane. single plane composite intake on a 410-inch SBC dyno mule. Seen on Car Junkie TV YouTube channel!. I was told from the guy I bought it from that it was off of a c. Sniper EFI on my 66 300. 5-inch or a single 3. Plus: we visit this year's PRI event in Indianapolis. Bottom end response would be better with the dual plane. So I guess the question is, if you are not worried about making max power but wanted good broad band torque why not run a turbo dual plane ?. of torque while losing 7 hp over the single plane I'm going to leave my engine alone. Jump to Latest Follow i think its kinda tilted to the dual plane , since its a 350 , mid range rpm at best ,, and a 215 head ,, a 750 vs would have done better on the single plane too ,,, they were taking it down to 2500 ,, that ,, is a great way to break a crank in itself , a 750 vs would have. I'm using an edlebrock air cleaner right now. or a Victor Jr. Ford's Windsor powerplant becomes the second engine for our mobile chassis dyno. EDELBROCK SUPER VICTOR II INTAKE MANIFOLD FOR SBC CHEVY. It is very similar, but is split pattern. first focal plane vs second focal plane. The Weiand Xcelerator 4V is dead on the low end on street type 351C's. This 1973 Camaro has an LQ4 truck motor bottom end with LS3 heads, and lays down solid numbers on the dyno. Other aftermarket factory height intake. Re: Dual Plane vs. If you check the RPM ranges on both you will see where they perform well. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. Seen on Car Junkie TV YouTube channel!. As such, using a single or dual-plane intake will have the same effect on EFI as it would on a carbureted engine. Edelbrock Carb 750 CFM with electric choke. The dual plane pulled smooth and hard all the way through, but the T1 almost seemd to "miss" a little in the RPM range where the torque fell off. This engine is what we consider a true torque monster, with this cam in it. Our EFI Dyno Run. But on a street engine, how much time do you spend above 4500 rpm? To each his own. Taking sides in an argument is a time honored tradition, just ask any Camaro or Mustang owner. As a quick re-cap, we previously tested the CHI 3V aluminum heads along with the Pro Comp copies. Alternative drop base solutions. I'm thinking about buying a new Edelbrock #5409 large port dual quad intake for my 409. If your intended carb is too small for the engine (as this 950 is for the 572-inch big-block), a street single-plane makes better results than a dual-plane intake. Dual-plane intake manifolds (left), typically have longer intake runners, making them ideal for low and mid-range power (idle - 5,500 rpm). The car makes more torque right off the line, but on a dyno with an auto tranny it’s tough to keep it in high gear to test down there. The only change I made between the 2 dyno graphs was I added 75% nozzles to my 175s. Dec 17, 2014 · Trick Flow’s Track Heat® single-plane intake manifolds for Ford 429/460 are designed for street/strip engines that operate in the 3,500-8,000 rpm range. I have a larger cam than you do (236/236. I have large heads and had the single plane edelbrock intake. It's definitely doable to make that power and run that fast in a NA 5. The intake was leaking oil front and rear, the air cleaner was hitting the hood, so since the manifold had to come off anyway, I talked the owner into swapping to the Performer RPM (not air gap) dual plane manifold. 3x2 Dyno Tests - Edelbrock VS Offenhauser It is essentially a single plane intake with dividers in the last 3 inches of the ports going to the heads. , it turned out our recent lineup of dyno tests. dual-plane. See our Intake manifolds - 350 320 318 Chevy. For best results, a high. ( lil_bobby_260 ) Holden 186-202, Ford 200-250 (pre & crossflow), 245-265 hemi. People towing, etc. With a typical single-plane, 4-barrel-style intake, early in the tuning procedure, you need to apply measurably different fueling and ignition strategies to each of the cylinders. or a Victor Jr. It felt good but always lacked something so I changed to a TP Dual plane high rise, as the car doesnt spend much time above 5k and isnt thrashed. Anybody know for sure what the Offenhauser '360' manifold is all about? I have latched on to a dual quad model for my Pontiac. The 302 gets a Performer RPM, which as you know is a dual-plane design, with a 750cfm (you choose the make) vacuum-secondary spreadbore. This allows both single- and dual-plane intakes to be used with the same characteristics that they have with a carburetor. Second issue was. Edelbrock® - Single Plane vs Dual Plane Manifolds Edelbrock® - 2018 Catalog Edelbrock® Performer™ EPS Dual Plane Intake Manifold by Edelbrock®. The single plane can use a smaller carb as ther are fewer turns and twists. Edelbrock Part # 7101 Performer RPM intake manifold is designed for 1955-86 262-400 c. I was told from the guy I bought it from that it was off of a c. a good Edelbrock single bbl intake. Desktop dyno claims 497hp through headers and full exhaust. Street engines operating between 2,000 and 5,500 rpm generally call for a dual-plane intake manifold, which offers longer intake runners that enhance lowto mid-range torque. We tested it vs the stock Throttle body and others. 050” Top end:. Engine Masters presented by AMSOIL is an all-new show on the Motor Trend Channel featuring parts testing and engine-to-engine shootouts. 827071 Fabricated Intake Manifold SBF Dual Quad Single Plane Carbureted Silver with Sniper logo 827072 Fabricated Intake Manifold SBF Dual Quad Single Plane Carbureted Black with Sniper logo 829081 Hi-Ram Fabricated Intake Manifold 2005-10 Ford 4. 79 @ 123 with the Victor (doing an apples to apples comparison, both on pump gas). For the street, a dual plane is the best way to go. Dual plane intakes can potentially cause hard start Issues ". When I do I'm going to put a decent dual plane on it to lower the throttle body back so I can use the stock air filter housing. Mick, going of those dyno results in that other thread, the dual plane high rise type should be the winner. The Weiand Xcelerator 4V is dead on the low end on street type 351C's. What We Like: Torquey nature of dual plane What We Don't: Loses out on the top end compared to single plane. Both of the engines I've worked on with them had dual planes, no spacer, so that can be worked around. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. CHICAGO, BUSINESS WIRE -- Hostway reminds trademark holders to register a. However, the dual plane was within single digits of horsepower and torque up to 5500 RPM, and at 4000 RPM the dual plane was 60 hp and 80 tq better. The straight-six engine gets a big horsepower boost with a custom-designed turbo setup. This is a low compression setup, (approx. Head porter Gil Mink readies this Prestige Motorsports 496-ci street engine for dyno testing. 6L 3v 130mm Throttle Body opening + Fuel Rail Kit Black w/ Sniper EFI logo. Some years ago, we did a dyno test of a small block Mopar 408” (see our dyno test #19. I have one on my 390 Galaxie. Before I go any further, I want to make it clear … Continue reading Custom Made Drop Base for 2nd Gen Trans Am. Edelbrock single plane (Victor Jr) vs dual plane (Air-Gap) intake manifolds on the same engine in a dyno test at Westech Performance. As such, using a single or dual-plane intake will have the same effect on EFI as it would on a carbureted engine. The design improves air velocity through the manifold and carburetor, which improves engine efficiency at low to moderate speeds. I "single planed" my 331 back in '06. Torque Power vs Harrop Single/Plane And what height is the Harrop coz apparantley the T/power is higher i have 1 & its 7 1/4 inch t/power] Just wondring how much taller they are? Ps- Going into vk ss with grp3 bonett scoop hope its going 2 fit under scoop!!. 302 vs 351 dyno 302 vs 351 dyno. The lack of resonance limits low-speed torque, which can affect throttle response and drivability off slow corners, and also impacts fuel economy in the sense that it requires more engine speed and more throttle opening to produce effective torque. Dyno: DynaPack 4022 Dynamometer. of torque while losing 7 hp over the single plane I'm going to leave my engine alone. Street engines operating between 2,000 and 5,500 rpm generally call for a dual-plane intake manifold, which offers longer intake runners that enhance lowto mid-range torque. 175rwhp and 172tq. Use GM #12592525 or equivalent. Edlebrock tells us that the Performer dual-plane series is the right choice for the purposes described above, and that their single-plane manifolds are not. LESSON: IF YOU HAVE DUAL PLANE, OR AS IN MY CASE, A FTY SPREADBORE INTAKE, AND IF YOU ONLY PLAN TO OPERATE BELOW 6500 RPM, USE IT. a good single plane can beat a good dual plane from 2500 RPM on up. Edelbrock® - Single Plane vs Dual Plane Manifolds Edelbrock® - 2018 Catalog Edelbrock® Performer™ EPS Dual Plane Intake Manifold by Edelbrock®. The dual plane specific carb spacer for my dual plane intake definitely added some upper end HP as my engine use to die instantly starting at 5,500rpms such that it was totally pointless while drag racing to even keep her in gear past 5,500rpms. It was an absolute torque monster with the little 286 cam and the DP. FiTech MeanStreet and Edelbrock EFI Sump install If this is your first visit, be sure to check out the FAQ by clicking the link above. 2 deck block way back then). Holley Sniper Hi-Ram Fabricated Intake Manifolds are available for popular Chrysler, Ford, and GM engine platforms. A high rise, dual plane design works well for a lot of applications. 700 long H-Beam connecting rods are both 4340 forged and are paired. I had to use a 2 inch cowl hood with this setup. 302 vs 351 dyno 302 vs 351 dyno. Even Tom Hoover admitted the 426 Street Hemi should've been a single four-barrel with a single-plane intake; it would've been faster. for $60 a year. To verify, screw in both screws until they bottom out, then unscrew both screws 2 full turns. The main issue with obtaining the best performance using a carburetor is that it can't monitor the air to fuel ratio for. You are best off with a low rise single plane intake. Intake Manifolds & Throttle Bodies. displacement's just over factory at 357 cubic inches. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications EFI Single Plane - Intake Manifolds JavaScript seems to be disabled in your browser. Edelbrock Victor) Stage 5: Single Plane Single Carb Racing High-Rise Fully Ported/Dual Carb Tunnel Ram Input your cam intake duration @. Edlebrock tells us that the Performer dual-plane series is the right choice for the purposes described above, and that their single-plane manifolds are not. 0L mill which came from the factory in some of GM's harder working vehicles in the late 90s and early 2000s. NEW Professional Products RPM single or dual plane intake manifold. of torque while losing 7 hp over the single plane I'm going to leave my engine alone. The set up is 990 with it drilled for injection, 850ish for efi hardware 1000cfm throttlebody with all the linkages need to hook it up, 250ish for 14" extreme flow drop base filter. Re: Dual Plane vs. 333 RWHP – 110. It is our opinion that the Edelbrock line of intakes is a much higher quality intake as compared to the Speedmaster or other similar intakes. Dan Jones P. a good Edelbrock single bbl intake. Mileage will also usually be about 10% lower with the single plane. with smaller cfm carbs they work at wot you will make more power. A metal surface (the larger and flatter, the better) is required underneath the CB antenna to launch the signal out into the atmosphere. You can also choose a Holley 750 carburetor CFM with electric choke. After a recent Hughes Engines’ test in Mopar Connection Magazine comparing single- vs. Torque-Power in conjunction with Micron Competition Engines have spent many hours in extensive flow and dyno testing to develop and patent a split level exit to the Torque-Power dual plane intake manifold to suit 308 EFI heads. Single plane (31) Dual plane (3) Cylinder Head Style (application) Brodix -10 (3) Brodix -11 (1) Narrow Your Results By Vehicle: Results 1 - 25 of 71 In-Store Pickup Location Select. Single vs Dual-Plane Intake Test-408 Ford Stroker In the age-old battle between single- and dual-plane intakes, this is usually what happens. I've used this cam before with great results. My car did fantastic on the chassis dyno without modifying the Performer but keep in mind that was with the ignition system sorted out and with the Sniper. A large single plane with it's open plenum design will not start moving air unless you have large cubic inch motor , lots of compression or until you start getting your rpm up. Performer™ RPM Dual-Quad Dual Plane Large Port Intake Manifold by Edelbrock®. People towing, etc. 9 hp) at 6,900 rpm. The biggest issue the dual plane can cause with TBI is cold start problems from the fuel condensing in the runners before getting to the cylinders. Click to expand looks like a neat int, im going to get one later this summer to check it out, heard the A3 type ports can be opened up to 1. Receive a discount equal to the price of a single tire when four tires are added to the cart. I have been very. The 302 gets a Performer RPM, which as you know is a dual-plane design, with a 750cfm (you choose the make) vacuum-secondary spreadbore. Precision machined and dyno tuned $15,600 – #16,500. All intakes have full sized injector bungs, with plenty of room for most styles of injectors. Extensive dynamometer testing confirms that "Stealth" is the ultimate dual plane on the market, with a power range from idle through 6800 RPM. Harassment in any manner or form on the site, including via e-mail, chat, or by use of obscene or abusive language, is strictly forbidden. The GSR vs ITR comparison is easier to answer, the single runner of the ITR makes much more top end power compared to the dual runner manifold used on the GSR, considering that the ITR engine revs to 8600 rpms it needs a lot more air flow at higher rpms and the dual manifold chokes up at anything over 8000 rpms. The top-end numbers produced demonstrated about 30 hp more than a typical single-plane single-carb. This is not necessarily a bad thing, and this technique has been used for many, many years to take manifolds with insufficient top-end power, and sacrifice low-end response and torque (the dual-plane. Yes, you will be leaving peak hp on the table, but what does that mean? Guys dyno their engines and see a peak hp number at, say, 6500 or 7000 rpm and try to make that number go higher by switching out parts or whatever. My engine builder kept pushing me to a single plane, but I wasn't sold until my research came across the issues with dual planes and efi and I saw the testing results on Engine Masters as well. (All which include the same bolt pattern as the stock TB). This engine produced 630hp with a single plane intake, and 580 with a dual plane. This is for my 327, 10:1 c/r, 290 dur cam, with 2 AFB's.