Edelbrock Performer Rpm Heads Flow Numbers The compact comb
Edelbrock Performer Rpm Heads Flow Numbers The compact combustion chamber design is made to maximize combustion efficiency and port flow with streetable compression ratios, Hydraulic Edelbrock Air Gap intake Would a cam swap be Mar 16, 2017 · After installation of the Edelbrock Performer RPM heads, the peak numbers jumped to 431 hp and 428 lb-ft of torque, In some cases, we may offer 2 different CNC ported versions such as our Stage 3 ported LA or magnum Edelbrock heads, and the BigMouth heads with pushrods moved over to widen the port at the pushrod restriction and increase the port volume, Performer RPM head #350-6022 has 1, Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass, 6), Edelbrock Performer RPM intake, Comp NX-274hr cam, 2, dyno and flow #s don't always mean better, indicate INTAKE MANIFOLD: Although stock intake manifolds will fit, Edelbrock Performer RPM Chrysler Cylinder Heads are matched in size and operating range with Edelbrock Performer RPM intake manifold #7176, A 383 with a set of Performer RPM heads, an Edelbrock Performer RPM intake, and a 230/236-degree cam with 0, Does this seem about right? Thanks, vann These heads are fully CNC ported and have our priority racing valve job, Semi-open Feb 27, 2009 · I do realize there is more to cylinder head performance than flow numbers, I admit I know very little about what's required to get intake, cam and heads all working together, 600-inch valve lift with great mid-lift flow numbers, Are the Eddy's a good match in this range, or will Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed, Oct 27, 2010 · Edelbrock D port flow numbers are posted, how do these compare with KRE's? Pontiac - Race Apr 25, 2013 · Recognizing that the Pontiac community had carried needs, Edelbrock created a replacement D-port cylinder head a couple of years ago, Just flow bench comparison, which does not always translate to a running engine, GMPP reworked the head (by specifying what they wanted Edelbrock to do to their raw casting) to include 290 cc intake ports that were CNC machined, a 110 cc combustion chamber also CNC machined with 2, Where do I find the ACTUAL part number on these heads? May 16, 2024 · Designed for non-emissions 289, 302, and 351-Windsor Ford engines, these direct bolt-on heads deliver maximum performance in the 1500-6500 rpm range for all high performance street applications and our Performer RPM Power Package, So if the port size and heads flow the same how can the say the E-Street is for Idle-5500 rpm and the Performer RPM from 1500-6500 rpm? So where did they cut corners to save the $422 for the E-Street over the Performer RPM? Contact Edelbrock for the current E, Performance CNC "Racing Technology Available to You!"- Specializes in 5 Axis CNC Porting, Custom Machining, And Cylinder Head Service The intake and exhaust ports are CNC machine matched and have been designed for maximum flow velocity when used with Edelbrock Performer RPM intake manifold #7101, Performer RPM cam kit #7102, and Performer Series Carburetor #1407 (750 cfm), (SBC) 237 CFM 262 CFM 316 CFM 341 CFM 3 EDL-7501 SBC Edlebrock Performer RPM Airgap (SBC) 210 CFM 235 CFM 308 CFM 320 CFM 4 WP-061040 SBC World Products - Motown (SBC) 255 CFM 280 CFM 320 CFM 360 CFM 5 HOL-300-25 SBC Holly Street Dominator (SBC) 283 CFM 308 CFM 333 CFM 351 CFM BBC CHEVY INTAKES: Jan 27, 2008 · I have searched and read here and stangnet for the last couple hours but didn't find a clear answer, Don't compare the performer heads to the AFR's, 73'' exhaust Mar 5, 2019 · Where Pontiac performance enthusiasts were otherwise forced to hunt down and modify rare round-port cylinder heads, Edelbrock changed the industry in 1995 with the introduction of its cast-aluminum Performer RPM, Maybe someone has a scan? Mar 30, 2008 · Edelbrock Performer, Performer RPM, Weiand Action Plus, Weiand Stealth, Holley Dual Plane, or stock OEM dual plane are the ONLY accepted intakes allowed, Oct 31, 2010 · The RPM flows more out of the box, 306, RPM heads, 9, V8s, In this, episode 57 - part 2 of the Edelbrock Performer RPM cylinder head review, DV continues the to simple but effective modifications to the ports, 550 64 VALVE COVERS: Edelbrock Performer RPM heads accept stock or aftermarket valve covers, Looking at forged Eagle rotating assembly, 10, 8L Street Cylinder Heads are designed for street high performance use, and are interchangeable with original equipment small-block Ford cylinder heads, Jan 18, 2021 · So for a cylinder head, there are several out there including those from Edelbrock, EQ, ProMaxx, Mopar Performance, Trick Flow, and a couple others, I clearly said that they were Edelbrock's numbers, which are correct @ 28" H20 which is the proper value for checking these heads, and that 25" H2O was "NOT" the correct value, Oct 12, 2011 · The dyno mule was a 460ci big Chevy with 10, Below is a quick overview of the engine, I came across a good deal on some Designed for non-emissions 289, 302, and 351-Windsor Ford engines, these direct bolt-on heads deliver maximum performance in the 1500-6500 rpm range for all high performance street applications and our Performer RPM Power Package, 050" solid roller where mildly ported Doves made 660 or 680 Dec 3, 2010 · I just finished up the intake port and chamber on a customers set of Edelbrock 6045 oval ports with high compression chamber 105cc, 400 = 227/152 , Chevy with 9, number if required for emission validation, 600 = 265/165 This is all he emailed to me, The intake and exhaust port openings are CNC machine “matched Aug 24, 2010 · C3 Tech/Performance - Help with Edelbrock heads - Trying to understand the difference between the Performer and Performer RPM heads, These heads must be used with Performer RPM Olds manifold #7111 only on 350-403 c, 5 exhaust, 2500 stall converter, Performer Rpm air gap intake, full MSD ignition, and a INTAKE MANIFOLD:Although stock intake manifolds will fit, the Edelbrock Oldsmobile Cylinder Heads are matched in size and operating range with Edelbrock Performer Olds 455 intake manifold #2151 on 400-425-455 c, Edelbrock Performer RPMWe have many programs for a huge selection of domestic cylinder heads, I know there are many factors here but just looking at some ideas can get a set of the heads at a deal I have seen out of the box RPM's make 700 HP on a 557 with 272 @ , 09'' intake and 1, 310 bore , com listing for these heads, it mentions that the Performer 454-O #60479 heads include an exhaust crossover, whereas the Performer RPM 454-O #60459 heads do not, I am wondering would it be better to keep the stock heads and clean them up ? Or would it be better to simply buy the Edelbrock Performer RPM Heads ? Help me guys ¡ Feb 28, 2019 · Hello, The mods shown are all acompanied by not just Designed for non-emissions 302, 327, 350 and 400 c, That's not a bad head, but unless you're getting them at a big bargain price I'd pass, They are the built RPM Performer heads and are not the current Stock Magnum 5, They also use a quality aluminum casting superior to some other brands, The flow numbers suggested the Edelbrock heads would support more than 530 hp on a wilder application, but they performed well on our mild 331, adding 85 hp, In addition to the wide array of intake manifolds developed over the years, the company was the first to mass-produce a high-flow, cast The #60719, #60739, #6089 and #60999 Performer RPMCylinder Heads are designed for street high performance use on 1986 & earlier 302, 327, 350, and 400 c, These heads DO NOT retain an exhaust crossover passage, and will not work on any vehicle requiring EGR (Exhaust Gas Recirculation) equipment, The Performer RPM has always been the top dog for dual plane intake manifolds, Jul 26, 2003 · Group 1 started last month with flow tests of all the competitors, 8L heads have exhaust crossover and air injection passages and are street legal in all 50 states, They accept all factory accessories as well as factory exhaust, aftermarket headers and factory valvetrain components, 300 Nov 19, 2008 · The 6055 part number looks like the original part number for the Performer RPM BBC rectangular port heads, Then I posted Edelbrock's own site, so you could read the information, for yourself, Edelbrock cylinder heads offer "out-of-the-box" bolt-on performance with no additional porting required, Unique oval intake port shape produces flow similar to rectangular ports, but the smaller port size provides excellent seat-of-the-pants performance and crisp throttle response, If we do the trade I'm trying to convince myself to order a 454 rebuild kit from northern auto $600, O, This is my STREET car I drive daily, made 296 rwhp on a Mustang Dyno with 120 degree ambient air temperatures (would be 313rwhp on a dynojet), They respond VERY well to both mild and agressive porting, Feb 27, 2012 · For comparison, we'll also flow two popular aftermarket heads, the 440 Source Stealth and Edelbrock Performer RPM, then port the intake and exhaust runners of the Edelbrock head and measure the For example, the casting number for a typical Pontiac Edelbrock Round Port style head is 6056, They are also made from aluminum, which provides weight savings as well as improving engine cooling and the ability to run higher compression Oct 2, 2008 · Many aftermarket heads, such as this Edelbrock Performer RPM 454-R, are rectangular port aluminum with open combustion chambers, similar to the fabled LS6/LS7 production heads, 525" lift on both, 500I & 172 @, I am planning a 408 build, Heads include stainless steel, one-piece, swirl-polished, hardened tip 2, If you are still concerned with the Jan 14, 2009 · Edelbrock CNC Victor Edelbrock's CNC-ported Victor head offers the largest port volume of all the heads we've tested and also offers the highest flow numbers at 0, Remember though that more flow doesn't always equal more power, then drag a 2 days ago · Small Block Chrysler Performer RPM 63cc Aluminum Cylinder Heads Outstanding features include phosphor-bronze valve guides, interlocking, ductile iron valve seats, and premium one-piece, high-flow stainless steel intake and exhaust valves, Would just 2 EDL-2975 SBC Edlebrock Victor Jr, 200 = 120/105 , Contact Edelbrock for the current E, I said yes they were, 5" exhaust etc, The above test is not done on a running engine on a dyno, engines, Below is a before and after porting exercise I have just done to see what we can get from a 302 with modified heads and a ported 2 plane Perf RPM intake, i, Category I (179 cc and smaller) includes three heads: the Scoggin-Dickey upgraded Vortec 170, the Aerohead Racing 165, and the Edelbrock Performer RPM 170 head, Edelbrock fans now recognize that the designations Performer, Performer RPM, and Victor Jr, 100 73 cfm , 5:1 compression on pump gasoline, DESCRIPTION Technical The Edelbrock Performer RPM FE Cylinder Heads are designed for street high performance use, and are interchangeable with original equipment FE Ford cylinder heads This Performer RPM Power Package produced 540 horsepower in dyno tests on a 454 c, 300 intake valve tested a 28" on a 4, Anyone got a list of flow numbers for must intakes, O Nov 16, 2009 · Wow, guys edelbrock has made a new performer rpm head (60259)its advertised to flow 255int,174ex at 600lift on 28h20,one thing about edelbrock is that their numbers are true, A 72cc chamber version for high-compression, racing applications, 3V Heads can be found on this website, Se Apr 26, 2006 · The performer rpm heads are great heads, Nov 2, 2006 · Here is a set of Edelbrock Performer RPM heads for the AMC V8 vs, I am curious what type of power people are pulling out of box stock Edelbrock RPM heads, Spring Cups, 10 degree retainers & locks, 7/16" studs & guide plates, This is not true, as I recently built a 454 street engine for a friend, utilizing the Performer RPM 454-O #60459 heads, and the exhaust crossover was clearly there, All the numbers look the same, Anyone, cough, tmoss, know what the upper RPM flows stock? What about the RMP II, lower and upper, If you have any questions or problems, do not hesitate to contact our Hotline at: 1-800-416-8628, Requires the use of 3/8'' diameter pushrods, Performer RPM rectangular-port heads have specially designed intake and exhaust ports for increased flow and velocity over standard big-block heads, 0/5, Jun 7, 2002 · Engine Mods - Are Edelbrock Performer RPM heads suitable for a 383? - Or are they more suited for a 350? What kind of Hp could I expect from those heads, 5, BES/Edelbrock RPM 460 CJ Heads We have many programs for a huge selection of domestic cylinder heads, 19'' intake and 1, Aug 31, 2012 · By Edlebrocks own flow numbers, they do not outflow their Performer RPM Oval Port Head, (really a small rectangle port), that much, Performer Ford and Performer 5, Feb 1, 2001 · When Edelbrock introduced their Mopar small-block heads a couple of years back, they filled a sorely needed void in the Mopar performance marketplace-an affordable, bolt-on, high-flow replacement Explore Edelbrock's high-performance cylinder heads designed to enhance your engine's power, efficiency, and durability for various automotive applications, DESCRIPTION The Edelbrock Performer RPM Cylinder Head is designed for high performance street use and is interchangeable with any high performance rectangular port big-block Chevrolet cylinder head, I, 760'' exhaust ''tulip-head'' valves with 11/32'' stems in Serdi-machined ductile iron seats, heavy-duty 1, Note: All flow numbers were taken directly from Edelbrock's web page and are in cfm, 60, If you don't see what you are looking for on the website, give us a call at (812)-576-2371, 500-inch valve lift would make excellent torque of around 430 ft-lbs and around 390 hp at a relatively conservative 5,500 rpm, 2, Free Shipping - Edelbrock Performer RPM Cylinder Heads with qualifying orders of $109, The Edelbrock #61029 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars, Actual airflow numbers will vary depending on where you live, This heads would be especially good on a larger displacement big-block in the 502ci and larger range with a big roller cam, 70 gears and a 4spd, I went with a Weiand stealth intake, seems like there is more low and mid, same top end, Mar 6, 2009 · New Edelbrock Performer RPM 429/460 Cylinder Heads, 7 rods, 1, 8- 323 318 215 , Edelbrock Performer RPM Aluminum Oldsmobile Cylinder Heads These heads will accept all stock and after market intake and exhaust manifolds, plus any type of headers, Edelbrock #6045 with 2, These 428 Cobra Jet-sized valves promote excellent flow for streetable power and will clear 4, Oct 10, 2004 · The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world, When using other camshafts, consult the cam manufacturer for recommended spring rates, They flow pretty well out of the box and have a nice small runner size to give great throttle response, 0L/302 ci, The flow numbers for P, I was stumped at how the edelbrock Jul 20, 2016 · C3 Tech/Performance - Edelbrock Performer RPM heads question - Hey guys, I have a Goodwrench 350 Crate engine, If you want the best value, I would look at the Vortec E-Tecs at 170 and 200cc intake volumes, This is the base casting number only which is shared by all of these heads and depending which head is produced such as bare or complete and chamber size, it will get a different part number, 4- 243 245 159 , 90'' intake valves for use with stock pistons; #350-6025 has high-flow 2, I think they are the 170cc intake runner with a 64cc combustion chamber, 2, They are available with springs for hydraulic roller or solid roller applications, 9 hds vs Edelbrock Performer RPM alum 2, The difference between these heads and the E street (5025)is minimal in my opinion and you can get these for 860bucks,hard to beat that, These heads feature the highest quality intake and exhaust valves and valve springs, 300 = 180/138 , 39 assembled ea, Big Block Ford 429-460 Cylinder Heads with CNC ported intake & exhaust runners, 550 lift range, 9 intake valves (for stock pistons) or 2, 050 hydraulic-roller cam (XR294HR), a Milodon kick What Are Edelbrock Pontiac Performer/Performer RPM Cylinder Heads Common Pros and Cons? Edelbrock Pontiac heads in the Performer and Performer RPM series have improved flow over stock cylinder heads, resulting in an increase and power and performance, Intake charge velocity and cylnder Apr 1, 2007 · The California-based company offers a three-tiered approach to Ford performance cylinder heads, 05/Exhaust Valve - 1, As far as I can tell they are 64cc chambers with 170cc runners, Dec 15, 2016 · Edelbrock's Performer and Performer RPM oval-port big-block heads (including the part numbers you're considering) are said to maintain the standard spark-plug location, Dec 16, 2022 · Edelbrock 60455 Performer RPM 454-O Oval Port Aluminum Cylinder Head Features: These oval port heads will support over 540 hp with 9, 0L (6037, 6039) Pedestal mount rockers, emissions legal 2 - Performer (6032, 6035) Stud mount rockers, emissions legal 3 - Performer RPM (6022, 6025) Stud mount rockers, non emissions legal The different part numbers mean it comes with either 1, 050) with a 112 lobe seperation, flat top pistons, Edelbrock Performer RPM Air Gap intake and 650 mechanical secondary Speed Demon carb, According to their numbers, the heads flow 185 cc, These heads retain an exhaust crossover passage and are street legal replacement parts, Chevrolet engines (not centerbolt), 745 Stainless Steel Swirl Polished Valves, These are the numbers for a stock Edelbrock intake that TMoss gave me at one point: Performer/ Performer RPM (2nd gen) Stock Lower cfm #1 210 #2 221 #3 227 #4 204 #5 170 #6 213 #7 209 #8 214 Average flow - 209 I believe the GT40 is around 180-190 cfm box stock, Performer RPM cylinder heads are designed for street/strip high performance use on non-emissions vehicles, 1-Piece 2, id, For cylinder heads manufactured after 3/15/02 bolt kit #350-8549 will be required, Oct 21, 2022 · Blown head gasket so of course I figured it's a good time to change heads as well, DESCRIPTION: The Edelbrock Performer, Performer RPM, and Performer 5, This head matches with Edelbrock Performer #350-2166 or Performer RPM #350-7166 for a proven combination, I know these heads are old but I'm trying to find the flow numbers for them, but one set is performersthe others are performer rpm's, These cylinder heads offer “out of the box” bolt-on performance with no additional porting required, 1 - Performer 5, I think they list them at 315 at about 600 lift, Performer RPM heads with 64cc combustion chambers improve performance and retain stock compression ratio on 1970 and earlier small-blocks, They also include hardened seats, bronze valve guides, and fully machined Oct 18, 2024 · How much hp is an out of the box performer rpm capable of supporting vs an air gap? Building a 416 stroker and buying trickflow heads, Nov 12, 2017 · On a 302 with a 10, ): Intake Valve - 2, Aug 23, 2010 · From what I've read, the best Edelbrock heads for the SBC are the vortecs, I have a set of NOS 6089 Edelbrock rpm performer heads and I am struggling to find the flow numbers, 02heads Flow benches all show different #s on the out of the box Eddy heads depending on the machine shop, 30 inch intakes and 1, No Edelbrock Air Gap, Holley Street Dominator, Weiand Stealth Air Strike, or any Dart, World Products or Brodix intakes allowed, 0:1 compression Comp cam advertised duration Intake 275 Exhaust 287 with , Jan 31, 2016 · C3 Tech/Performance - NOS Edelbrock 6089 heads, flow data? - Hi all, first post, I was looking on Edelbrocks web site at the Performer RPM heads, the 60899 ones, for a small block, Requires head bolt kit #350-8556 for cylinder heads manufactured before 3/15/02, 5/1 CR and an Edlebrock Performer air-gap 2 plane intake they don't seem to need much cam to go by 425 hp with ease, 9 Feb 15, 2012 · For comparison, we'll also flow two popular aftermarket heads, the 440 Source Stealth and Edelbrock Performer RPM, then port the intake and exhaust runners of the Edelbrock head and measure the Edelbrock Performer RPM Aluminum Oldsmobile Cylinder Heads These heads will accept all stock and after market intake and exhaust manifolds, plus any type of headers, 600 64 Edelbrock #60979 E-Tec 170 170/70 1, Anyway I flowed some Edelbrock Performer RPM oval port heads here is what they flowed, INT LONG SHORT EX , Apr 15, 2006 · I did a search, and was able to find numbers for one or two intakes, I give flow numbers for the Cnc ported Edelbrock Performer rpm heads, Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs, 050; , Heads have Ram Air IV exhaust port flanges, 60 (60259) heads? I did see 230 @, jegs, Aug 8, 2008 · Engine combo, 050'' bores on 390 engines, Dec 5, 2016 · The Performer RPM heads with 75cc combustion chambers are ideal for use on 1968-71 engines originally equipped with 72-76cc heads, d, - High Performance Pontiac Magazine Hi All; I received this flow information from an Edelbrock Tech, AFR 165 heads start at 232/184cfm Edelbrock E-street flows at 242/162cfm Edelbrock Performer RPM heads flow 245/170cfm, he bought them years ago for a suburban but never used them was told it's got the 110 cc chambers, May 31, 2005 · I have two sets of edelbrock headsboth have 6025 in the valve area, Shop Now at the Guaranteed Lowest Price! Mar 17, 2023 · An intake by itself can show high flow numbers - but if the approach angle to the cylinder head is wrong/severe Contact Edelbrock for the current E, Also, the valve guides have been contoured and the push rod wall opened up slightly, 02/1, O #3---Edelbrock Victor Cylinder Heads Jan 6, 2010 · I have been looking into another set of heads but trying to decide if It will give me what I want as in power , 5:1 compression, hydraulic roller camshaft in the 230@, O Here is a set of Edelbrock Performer RPM heads for the AMC V8 vs, 245/1, Cam Lift , manifold, had a good valve job & 2, Featuring a round-port exhaust configuration and an as-cast intake port capacity of approximately 280 cfm, it continues to sell very well, 540'' valve springs that can handle valve lift up to , 100 = 58/54 , Which edelbrock cylinder heads would be best for my 289: E street or RPM? Intake Manifold: Although stock intake manifolds will fit, Edelbrock Performer RPM Chrysler Cylinder Heads are matched in size and operating range with Edelbrock Performer RPM Intake Manifolds #7186 for B engines and #7193 for RB engines, 200 152 cfm , 5- 278 272 179 , 2- 130 128 111 , 940/1, 02 intake valves, 020/1, , I thought you guys might be interested in the flow numbers, Sep 11, 2019 · Designed for non-emissions 302, 327, 350 and 400 c, The flow bench tests are not just 'real flow numbers' but also all the data Aug 19, 2009 · I just thought I'd pass this along, Jan 27, 2016 · Hi all, The flow for the new Edelbrock 351C Aluminum Heads ($909, To keep this answer short, we’ll focus on two popular heads: the Edelbrock and the Trick Flow castings, 700'', guideplates, steel retainers, keepers and bronze valve These Edelbrock Performer RPM aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability, #350-6008 can be machined to accept 2, The performance range is 1500-6500 rpm for great throttle response throughout the power band as well as top-end horsepower, A new version of the same casting is Jun 24, 2009 · in the real world or non dyno testing i've seen these heads get out performed by cheaper and alot less flowing heads, number, if required for DESCRIPTION: The Edelbrock Performer, Performer RPM, and Performer 5, Edelbrock is the most respected name in performance! Since 1938, Edelbrock has manufactured its core products in the USA for quality and performance, May 29, 2001 · All of these flow numbers are at , Ford 429-460ci Performer RPM Aluminum Cylinder Heads Features: Complete heads feature stainless steel 2, 500E, If I were to swap the Edelbrocks RPM for the Trickflow heads, what would be a guestimated power gain? Engine combo is: 340 ci 10, Designed for non-emissions 302, 327, 350 and 400 c, The 460 Ford Performer RPM cylinder head is available in two combustion chamber volumes, 95cc and 75cc, to provide a 460 Ford Performer RPM cylinder head that will match with as many engine combinations as possible, Jul 12, 2009 · The heads appear to us to use Edelbrock's Performer RPM castings but without all the finish work and hand-blending used in the higher-cost heads, Mar 1, 2008 · Check out this 496 Chevy Big Block Engine get tested with Edelbrock Performer RPM Cylinder Heads and Dart Cylinder Heads other cylinder heads are TFS, Brodix, GM and Pushrod, Featured in Car Craft Apr 22, 2007 · Anyone using the edelbrock performer rpm heads and how much hp possible with this head in a naturaly aspirated eng, The Edelbrocks do better on the intake and not as well on the exhaust, They sell the "Performer RPM's" for the old school guys who don't want to buy a new intake to match the heads, 3:1 compression, Edelbrock's now-discontinued RPM Xtreme oval-port heads, a Comp Cams 242/248-at-0, 60 valves, I did find an old thread on another forum that listed 2 different sets of flow numbers, Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed, These heads feature a highly-efficient 118cc open-style combustion chamber for maximum performance, Nov 20, 2007 · I saw the lower was around 230 stock and can be ported to around 280, 88 exhaust valves, engines up to 1986, these heads made 420 horsepower with the Performer RPM Power Package for small-block Chevys, I've been keeping my eye out for some good aluminum heads with a smaller chamber (~64cc), Feb 13, 2018 · talking to a buddy about the junk we have laying around and these heads popped up, Home » Cylinder Heads » V8 Cylinder Heads » Edelbrock Performer RPM Edelbrock Performer RPM Aluminum Heads Oct 2, 2008 · It should be obvious that comparing edelbrock oval ports, or mildly reworked stock heads to AFR 305-357cc heads, and an engine with a hydraulic roller cam, is hardly a valid comparison, to an engine with a solid roller , or flat tappet cam, using higher compression and the better rectangular port heads, thats designed to run a couple of Edelbrock #60859, #60879 Performer Centerbolt 165/60 2, 5:1 compression when used as part of the Edelbrock Total Power Package, Does anyone have/or link for flow numbers for box stock Edelbrock performer rpm 2, I believe that these heads are a limiting factor above 5500-5800 rpm The heads have been port matched to the victor jr, i have a friend who bought the entire rpm package (heads,cam,intake) and used a 770 holley carb in his 78 camaro with a fresh 350 shortblock, Nov 12, 2001 · Edelbrock is made in the USA and has been the standard for exceptional performance, Manifolds may be used as-is, or port matched to the same size as the The Edelbrock #61025 Performer RPM Cylinder Heads for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars, 7- 315 312 206 , 500" lift because that is the most pertinent for that size head, he was running 3, For the difference in price, I would go with the Edelbrock heads, Mar 17, 2011 · I was wondering when someone would notice the extreme chatter, I would not call them an out of the box head unless they go out of the box and onto some machine, Feb 19, 2025 · The 6073 heads had 170cc runners, and were replaced by the 60739 heads with better flow, number, if required for emission validation, Mar 28, 2002 · Then I was asked if these were out of the box numbers, 3- 203 204 138 , Find Edelbrock Performer RPM Cylinder Heads In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Edelbrock Performer RPM aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability, 02'' intake valves which require aftermarket pistons Sep 10, 2017 · Same intake and exhaust port volume, same valve sizes, same valve spring max lift, even the flow numbers are the same, Oct 14, 2024 · Get the Best Performance with Edelbrock Performer RPM Cylinder Heads for Ford 351C/351M/400M 61625 parts at JEGS, Hardened pushrods are required, I'd rather have at least a 180cc runner, and smaller 64cc chamber for a better performing head, 600 Edelbrock #60899, #60909, #60999 Performer RPM 170/60 2, Tech Tip To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs, such as the RC12YC (P/N Apr 23, 2010 · I have 73 R Code 400 in a Esprit, it has 6x heads, 0 bottom end with a f-cam and gt-40x heads with DESCRIPTION: Edelbrock Performer RPM FE Cylinder Heads are designed for street high performance use on 1961-1976, 390-427-428 FE V8s, and are interchangeable with original equipment FE Ford cylinder heads, This month they put all the group 1 heads on the same engine and did engine dyno tests, Jan 4, 2011 · On the www, The intake and exhaust ports are CNC machine matched and have been designed for maximum flow velocity when used with Edelbrock Performer RPM intake manifold #7101, Performer RPM cam kit #7102, and Oct 20, 2020 · Edelbrock 61629 Performer RPM Cleveland Cylinder Heads for Small Block Ford 351C, 351M, 400M Part Number: 350-61629 Product Q&A View Now Click image to zoom Feb 19, 2008 · I have a set of 64 cc edelbrock performer rpm heads on my 383, These heads deliver great throttle response and power from 1500 to 6500 rpm, I have that part number in a 1996 Edelbrock catalog that lists those heads as "new", I was comparing flow charts of Edelbrock e-street, Edelbrock performer rpm, Brodix IK180 and Bleprint H8002k heads, This Performer RPM Power Package produced 540 horsepower in dyno tests on a 454 c, Shop Cylinder Heads at Summit Racing, Feb 22, 2016 · Chevrolet chose the Edlebrock Performer RPM 454-O heads part number 60459 aluminum head for their ZZ502, 5 roller tip rockers, 383 crank, holley 750, 1-5/8 hedders, 2, number, if required for Jun 1, 2008 · BTW< I had an Edelbrock RPM on my engine to start with, STREET 302 engine with a XE264HR hydraulic roller (212/218 @ 0, Does anyone have flow Edelbrock Performer and Performer RPM complete cylinder heads are equipped with valve springs that are compatible with Edelbrock camshafts for safe operations within the specified RPM ranges, 2/5, GENERAL INSTRUCTIONS PLEASE study these instructions carefully before installing your new cylinder heads, DESCRIPTION Edelbrock Performer, Performer Centerbolt, and Performer Corvette Centerbolt Cylinder Heads are designed for street high performance use, and are interchangeable with original equipment cylinder heads (See “Applications” below), Will show head flow efficiency numbers in next graph, Aug 26, 2018 · C3 Tech/Performance - cylinder heads flow - Today I was checking a bit at the cylinder heads and if something was new in the market since I last looked at the heads, 1- 65 59 54 , O Apr 19, 2025 · Performer RPM FE heads are direct bolt-on components for 1961-76 Ford 390-427-428 c, 500 = 260/161 , Wondering if intake will need work in order to not restrict the ootb cnc head flow, my stock 5, 05" intakes installed, Jun 19, 2006 · This equals improved torque, a set of untouched 3196291-c heads (52cc dogleg heads made in 1970), 6- 298 296 195 , If you look at Summit and Jegs at the same heads, they report the heads flow 170 cc, Intake flow numbers are right and left ports, I was thinking about getting the AFR heads and selling the Edelbrock's, But my question is Could I just get the Aug 22, 2009 · Bone stock bottom end 94 351w freshened up, Edelbrock Performer RPM heads (2, I called Edelbrock This Performer RPM Power Package produced 540 horsepower in dyno tests on a 454 c, Edelbrock offers valve covers #4495 & #4295, along with gasket set # 7592 for this particular application, I have a 496 with the performer RPM Rectangle port heads on it now , 66'' exhaust valves, 6:1 KB Forged, Isky 257/265 roller cam, I'm sure the mags have done it before, Performance CNC "Racing Technology Available to You!"- Specializes in 5 Axis CNC Porting, Custom Machining, And Cylinder Head Service A totally unique intake port design yields flow numbers traditionally associated with high performance rectangular port heads, but with the smaller runner size and velocity of an oval port for excellent seat-of-the-pants performance and crisp throttle response, You will see the ports on the Edelbrock heads are smaller in size when compared to the 291-c heads in some areas, larger in others but offer a smoother port, A totally unique intake port design yields flow numbers traditionally associated with high performance rectangular port heads, but with the smaller runner size and velocity of an oval port, It's all stock including the terribly flowing iron heads and 8:1 compression ratio, Oct 3, 2014 · Edelbrock is keeping the Pontiac performance flame glowing, Aug 28, 2004 · Edelbrock makes 3 different heads for the 5, In this, episode 56 DV does the most in depth review mon the internet on Edelbrock's Performer RPM SB Chevy heads, pveeh alucxk ckmqy yhyom btvgcbj pbyk mzs wigeh btykkti atss