May 15, 2019 · The heads that were on the motor won’t work with the cam I wanna run...1970 289 2 barrel heads were turds..if they were true 65 heads I would work with them..I love porting heads..the other thing is the $$ to get the machine work done is not really saving much and the alum heads are a lot lighter and flow considerably better

Jun 20, 2017 · crosswind, professional products, pro comp, speedmaster, intake reveiw ... procomp big block chevy cylinder heads after 10 years on drag car see whats wrong!! ... edelbrock vs summit vs ... May 18, 2013 · 340x heads,202-160 valves,just got from machine shop,ported-polished,3 angel valve job ,also got ajustable rockers,and push rods,1,200.00 pluse frieght you get all View Full Description Payment Details .

I bought 2 sets of the bare, Chinese (Speedmaster formally pro comp) aluminum cylinder heads-for less expensive than half price of new heads assembled. $3XX something a piece. I got valve jobs, valves, springs, ?seats, retainers, valve seals, guides checked for $500 something bucks (less than $550 I think) installed. Heads create power, so it's important to know the best ones for your Pontiac. Though most Pontiac heads share basic characteristics with each other, knowing which are the best may still be confusing because Pontiac's head foundry only produced each specific head casting for one or two years. With this list, ... Mar 01, 2008 · As a follow-up test, I bolted on Edelbrock's bigger E-Tec 200cc heads and got my butt handed back to me along with all the torque I'd just lost. Overall, torque fell off by 24 lb-ft. But ...

TREperformance sells new AFR 245cc Eliminator 245 cc aluminum cylinder heads from Air Flow Research for almost any Chevy vehicle including the Camaro and Corvette, or any other L98 FBody 350, 383, 400, or 434 SBC for Small Block Chevrolet engines, part #1139-TI. 11. CNC Ported Heads.These heads are fully CNC ported and have our priority racing valve job. 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. Find chevy 350 heads aluminum and chevy 350 top end kit from a vast selection of Cylinder Heads & Parts. Get great deals on eBay!

The speedmaster and promaxx are both imported copies of the Edelbrock head. Fundamentally, if you do the same work to all of them, they’ll make the same power. For assembled heads, I have more confidence in the Edelbrock hardware. Unless it’s a super budget deal, my preference with the import heads is to buy them bare and source my own parts.

I did a rebuild for a guy that had the Edelbrock Magnum style heads ( later model ) and that got me to thinking. Does anyone have any experience with one being better than the other ? The late style head uses SB Chevy studs and rocker arms, which is very nice and cheaper to buy.Is there any other advantage to the later VS the early style heads ? Find FORD 7.0L/428 Cylinder Heads with Aluminum Cylinder Head Material and get Free Shipping on Orders Over $99 at Summit Racing! ... Edelbrock Performer RPM Cylinder ... These cyl. heads are made by Speedmaster. We use our own hardware and do our own assembly.Here is a rundown on the hardware we are using in the bbc Speedmaster heads.PBM Competition Series Stainless Valves.NON MAGNETIC stainless steel PBM Competition Series valves, swirl finished one piece, undercut and backcut.

Heads are "J" castings with 2.02" intake and 1.60" exhaust, competition valve job, lightly bowl prepped. Intake is the Edelbrock RPM, carb is the Carter Competition 750. Hooker 1 3/4" headers. Timing set at a total of 32 degrees. Cam is an Edelbrock RPM with .488" lift and 308 duration installed at a 107 intake centerline. 370 h.p. @ 5,750 rpm May 01, 2017 · Indy Heads and Edelbrock heads are designed for the standard setup but accept race setups. The B1-BA was designed for the race setup but can also be used with a shaft system. This B1-BA head is set up for the race-style valve gear with bolt holes by every valve. Procomp Electronics reviews (procompelectronics.com): ProComp, Speedmaster **Warning** Stay away from these people. Review in Equipment category from Security-Widefield, Colorado. Bought 3 different items all went bad. Junk.....The worst Cust. Service on the Planet. Procomp Electronics - Procomp...

FLOTEK is a leading brand of aluminum high-performance cylinder heads. Founded in 2007, we offer an extensive selection of cylinder heads for Ford, Chevrolet, and GMC performance engines. Our cylinder heads are cast according to FLOTEK design parameters and assembled and inspected at our facility in Evansville, Indiana. Be aware that most heads made before 1968 use a pushrod hole that corresponds to a 45&#degree; cam bank angle. What this means is the pushrods will rub the sides of the holes if the heads are used on a block with a 39&#degree; cam bank angle. All blocks 1968 and after use the 39&#degree; cam bank angle. Edelbrock Aluminum D - Port Cylinder Heads These heads use the stock Pontiac D-Port exhaust port exits for use with standard D-port aftermarket exhaust systems. Performer Pontiac heads are designed for 1962-79 389, 400, 421, 428 and 455 cid V8 Pontiac engines with a 4.060" or larger bore. 11. CNC Ported Heads.These heads are fully CNC ported and have our priority racing valve job. 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. All 3V Cylinder Head Packages are priced using your cores. After ordering, we will send you out shipping boxes with specific instructions on how to ship the heads to us for work. We will also include prepaid return labels. You will be charged the inbound freight to us, but we will cover the outbound freight back to you. May 15, 2019 · The heads that were on the motor won’t work with the cam I wanna run...1970 289 2 barrel heads were turds..if they were true 65 heads I would work with them..I love porting heads..the other thing is the $$ to get the machine work done is not really saving much and the alum heads are a lot lighter and flow considerably better

May 01, 2017 · How to Build Mopar Engines for Performance: Cylinder Heads May 1, 2017 by Mopar DiY Selecting the best cylinder head for your application takes careful consideration and requires weighing many factors so you have the correct casting that matches your engine package.

I just flowed some Pro Comp heads this weekend and I am sharing the numbers. The first one is a set of 190cc Pro Comp heads with 2.02/1.6 valves. These must be a new design because the ones I have seen before looked like crap. These casting were remarkably smooth. For the record the customer bought these assembled on ebay for $630 for the pair. Edelbrock cylinder heads are synonymous with helping make great power right out of the box. Our SuperTune porting ups the ante unleashing even more power and performance potential. Small Block Mopar Magnum Edelbrock Heads - Stock 11. CNC Ported Heads.These heads are fully CNC ported and have our priority racing valve job. 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. Jun 22, 2007 · In this comparison we look at cylinder heads for big-block Chevy engines from some of the best manufacturers, including Edelbrock, AFR, Trick Flow, and GMPP, as well as looking at some heads for ...

I think a set of smallport Vortec Bowtie heads( these smallports have the conventional exhaust port and will work with ANY header or manifold ports) with either the GMPP TBI/Vortec conversion intake or an Edelbrock Vortec Performer RPM airgap intake with a TBI conversion plate to attach to the TBI injection unit with some 65pph police car TBI ... Last we open the intake seat with a 4 angle valve seat cut to a nice large 2.02 size and BLEND the bottom cuts into the bowl making this one of the best flowing heads OOTB for the sb Mopar! A nd we don't stop there. For valves we use Ferrea 5/16 stem, 2.02 intake and 1.60 exhaust and BACKCUT the intake valve for more flow. May 13, 2015 · Pro Comp Speedmaster 1101 West Rialto Ave Rialto, California USA. Phone: 909-605-1123. Web: www.speedmaster79.com. Category: Auto Parts. BEWARE Pro Comp Speedmaster FF Engine Parts Pro Comp cylinder heads destroyed my engine no warranty Rialto California. 1101, West Rialto Avenue, Rialto, San Bernardino County, California, 92376, United States ... I just flowed some Pro Comp heads this weekend and I am sharing the numbers. The first one is a set of 190cc Pro Comp heads with 2.02/1.6 valves. These must be a new design because the ones I have seen before looked like crap. These casting were remarkably smooth. For the record the customer bought these assembled on ebay for $630 for the pair.

After installation of the Edelbrock heads, intake, and COMP cam, the power output of the 454 jumped to 481 hp at 5,500 rpm and 527 lb-ft of torque at 3,800 rpm. Even better was the fact the Edelbrock heads and intake will support much more power if we decided to upgrade the short block in the future. May 01, 2017 · How to Build Mopar Engines for Performance: Cylinder Heads May 1, 2017 by Mopar DiY Selecting the best cylinder head for your application takes careful consideration and requires weighing many factors so you have the correct casting that matches your engine package. Mar 01, 2008 · As a follow-up test, I bolted on Edelbrock's bigger E-Tec 200cc heads and got my butt handed back to me along with all the torque I'd just lost. Overall, torque fell off by 24 lb-ft. But ...

FordMuscle reviews flow data and provides dimensional runner views of the 351C 2V, 4V, and Edelbrock Performer RPM 351C cylinder heads. The results will provide anyone considering a 351C, Clevor, or 351M/400 build, new information to consider when deciding on a stock, ported, modified, or aftermarket Cleveland head. TREperformance sells new AFR 245cc Eliminator 245 cc aluminum cylinder heads from Air Flow Research for almost any Chevy vehicle including the Camaro and Corvette, or any other L98 FBody 350, 383, 400, or 434 SBC for Small Block Chevrolet engines, part #1139-TI. ATK's New Casting Performance Aluminum Head, 64cc/195cc, 2.02/1.60 Valves, Hyd. Roller Springs .600 Max Lift. Our head outflows most heads in its class while keeping costs down. This is a 100% AMERICAN Cast, Machined and Assembled Head!

This NHRA-legal aluminum cylinder head is a replacement for the L88 Big-Block cylinder heads used on 1968-1971 Corvettes and 1969 Camaros. Aluminum performance cylinder head. 315-cc rectangular intake ports. Replacement head for P/N 14011076. Machined for 2.250"/1.880" 11/32" valve stems. 110-cc exhaust ports. 118-cc combustion chambers.

Buy Speedmaster PCE281.2031 As Cast Cylinder Heads: Automotive - Amazon.com FREE DELIVERY possible on eligible purchases Chances are, the Edelbrock heads probably provide more useable horsepower even if the peak numbers are slightly off. So, it's important to study the complete chart, not just the single data point. Now, everyone always says that cylinder head numbers are not comparable, that the same set of heads can flow differently on different benches. Mar 16, 2017 · The 127cc intake and 44cc exhaust ports in the stock heads were miniscule compared to the 181cc/65cc combo used on the Edelbrock heads. 331 Ford Head Test-Stock vs Edelbrock Performer RPM We always welcome big power gains, but it is even better when the extra power at the top of the rev range comes with no loss in low-speed torque. May 01, 2017 · How to Build Mopar Engines for Performance: Cylinder Heads May 1, 2017 by Mopar DiY Selecting the best cylinder head for your application takes careful consideration and requires weighing many factors so you have the correct casting that matches your engine package.

The Edelbrock Super Victor 4150 produced almost the same power curve as the smaller Victor Jr., but like most of these short-runner intakes, they really needed more motor. Even more than the Victor Jr., we suspected the Super Victor would benefit from a larger throttle body and we found this to be true once we tested the 4500 version of the ... The Cobra Jet heads share the same basic valve cover and rocker parts as the heads on the common 390 passenger car, but these have larger valves at 2.09 and 1.65 inches in diameter. A C8OE-N Cobra Jet head exhaust port has a unique 16-bolt pattern. The upper and lower bolts are in the normal post-1966 FE locations. May 15, 2019 · The heads that were on the motor won’t work with the cam I wanna run...1970 289 2 barrel heads were turds..if they were true 65 heads I would work with them..I love porting heads..the other thing is the $$ to get the machine work done is not really saving much and the alum heads are a lot lighter and flow considerably better

I use CFD software everyday and I cant see why the Edelbrock heads would flow any better than these Speedmaster ones based on the matching specs. My lift height is going to be .540" so I dont need the high range seen in the Victors. Maybe a bit of flow with the 2.05 vs 2.02 valves but now we are splitting hairs. SpeedMaster PCE281.1049: Not even W/Products seems to have numbers on their 1.94 1.5 76cc heads, except at .500 lift. I'd love to see the two compared, so as to see at what point in lift, the 2.02 1.6 heads gained flow. The S/R Heads and the S/R Torquers are exactly the same casting. Only the valve size is changed on them. (I asked a W/Products tech guy on this) Large, free-flowing intake and exhaust ports look nicer "out of the box" than most port jobs you'll find done to factory heads. Instead of casting the ports small (like the factory did) and having to port them yourself, we've designed the ports to flow out of the box, better than a "full race" ported factory head would.

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The test started on an engine dyno with a 306 short block and good Comp roller cam (262 Hyd roller I think) and around 10:1 compression and with stock heads, Air Gap intake and 650 Holley, the motor made 306 HP 1 per cube.

I've been thinking about getting a pair of aluminum heads for my 455 in my jet boat.I was emailing Bernard Mondello about the edelbrock and procomp or speedmaster heads with him setting the heads up to make sure everything was correct.I know speedmaster is Chinese, but I have read that set up correctly with good parts they perform very well. Heads create power, so it's important to know the best ones for your Pontiac. Though most Pontiac heads share basic characteristics with each other, knowing which are the best may still be confusing because Pontiac's head foundry only produced each specific head casting for one or two years. With this list, ... FordMuscle reviews flow data and provides dimensional runner views of the 351C 2V, 4V, and Edelbrock Performer RPM 351C cylinder heads. The results will provide anyone considering a 351C, Clevor, or 351M/400 build, new information to consider when deciding on a stock, ported, modified, or aftermarket Cleveland head.

All 3V Cylinder Head Packages are priced using your cores. After ordering, we will send you out shipping boxes with specific instructions on how to ship the heads to us for work. We will also include prepaid return labels. You will be charged the inbound freight to us, but we will cover the outbound freight back to you.

Edelbrock Super Victor LS1 Intake Manifold. Edelbrock Victor Jr. LS1/LS2 Competition EFI Intake Manifold Only. Edelbrock Victor Jr. LS1/LS2 Competiton EFI Intake Manifold & Fuel Rail Kit. FAST 102mm LSX-RT Truck Intake Manifold. FAST Big Mouth 102mm Throttle Body w/out TPS Sensor. FAST Big Mouth 102mm Throttle Body w/TPS Sensor. Porcomp/speedmaster stuff is all junk. Its all knock off stuff that will more than likely cost you more in the long run. edelbrock is about same price... If it was me personally I would have the 4v heads redone.

Mancini Racing Cut to Fit Pushrod Sets Edelbrock Overstock Sale MANCINI - Gift Certificate Calvert Racing Chromoly Front Suspension Struts Mopar Performance Slant-Edge Breather Caps Challenger Tail Light Overlays Race Fuel Concentrate REV Limiters Mopar Hemi Maintenance Kits Milodon Billet Oil Pumps and Covers Sound Deadener, Boom Mats Mancini ... I bought 2 sets of the bare, Chinese (Speedmaster formally pro comp) aluminum cylinder heads-for less expensive than half price of new heads assembled. $3XX something a piece. I got valve jobs, valves, springs, ?seats, retainers, valve seals, guides checked for $500 something bucks (less than $550 I think) installed.

We test the current crop of street/strip intake manifolds for 5.0 liter Ford Mustang Engines from BBK, FRPP, Edelbrock, Holley, and Trick Flow on our 347 ci dyno mule engine - 5.0 Mustang & Super ...

I bought 2 sets of the bare, Chinese (Speedmaster formally pro comp) aluminum cylinder heads-for less expensive than half price of new heads assembled. $3XX something a piece. I got valve jobs, valves, springs, ?seats, retainers, valve seals, guides checked for $500 something bucks (less than $550 I think) installed. Speedmaster PCE281.2031 As Cast Cylinder Heads. ... Edelbrock 60455 CYLINDER HEAD. ... Cylinder Head Stud kit for Chevy Big Block BBC-75 PCE279.1005 Aluminum Heads. Mar 01, 2008 · As a follow-up test, I bolted on Edelbrock's bigger E-Tec 200cc heads and got my butt handed back to me along with all the torque I'd just lost. Overall, torque fell off by 24 lb-ft. But ... .

The combustion chamber in the WPE Z head mimics the design of the SB2, as do the exhaust ports. These heads are capable of over 400 cfm airflow. Although the ports have been raised, Wise says that the current Edelbrock intake for the 455 Oldsmobile engine bolts right on to the new cylinder head design. For those looking to build an Olds small ...