Best Pontiac 400 Heads

All slag removed from oil passages, push-rod holes upended for 1. I bought these from a guy that said he put them in a block and took them out a month later. Pontiac heads are notoriously inconsistent from head to head- despite having machined combustion chambers the can vary in volume by as much as 4cc's. Pontiac began as a "companion" to the Oakland division of the General Motors line of automobiles in 1926. ENGINE HEADS: Identifying the 65 400 heads is equally simple. The fuel map I used for my Pontiac 400 was RTG102-8cylHEI_NA_475tq_300tf_Performance. Date:i049. Some of the quickest stock-appearing Pontiacs in the country feature cylinder heads that have been ported by his company in Chilliwack, British Columbia. Pontiac 400 Engine - Running just before being pulled. Inventory prices for the 2008 Grand Prix range from $1,179 to $8,819. Crower builds performance racing parts from camshafts to crankshafts. Obsolete Arms and Ammo WARE IS THE BEST OF THEM ALL 1875 REMINGTON. There are several excellent Pontiac builders around, Butler, Kaufman, to name a couple. Regular 455 head, Stage 1 and Stage2 heads. They have 2. Runs out good probably produces 325 to 350 horse. 550" lift, expect to turn it 5,500rpm. there are two more #s ,one on each - Answered by a verified Pontiac Mechanic We use cookies to give you the best possible experience on our website. Introduced as a companion make for GM's more expensive line of Oakland automobiles, Pontiac overtook Oakland in popularity and supplanted its parent brand entirely by 1933. Pontiac 400 and 455 engines make good torque and horsepower, even with a stock stroke crankshaft, but an Eagle Pontiac stroker engine kit will improve the performance of these engines even more. However, these heads are EXTREMELY rare and you will have to pay a hefty price if you can find a pair. 050 (specs may change). A nice set of RAlll heads would make a nice combo, even certain 455 heads work well on the 400. Home of the IA II Pontiac Engine Block. The following is Eddies Performance Pontiac Engine Packages and Pricing. It was the same 251-cid 85-hp flat-head V-8 used in Pontiac’s almost-dead parent make, Oakland, during 1930 and 1931. The other remedy would be to go with aftermarket aluminum Pontiac design heads from Edelbrock, Wenzler, or kauffman. Powertrain Products, Inc is the nation's leader in providing remanufactured and rebuilt engines for cars and trucks. The price for crating each head is $20 USD The valves and other parts if included are shipped in a separate parcel. Could I put the 6X heads on the 400, or would they cost me horsepower? Would a cam change make up for any loss of power if I do switch the heads? If I stay with the 10. The KRE Warp-6 is the most recent offering in the canted-valve market for Pontiac V-8s. Pontiac 400 heads - posted in General Engine (Non-Gen Specific): With a 400 60 over engine what heads would be the best choice if you are limited to 91 octane pump gas? i would be guessing something with a 2. In this week’s Mailbag, we’re recommending a parts combo to get 400+ horsepower from a Pontiac 400 engine in a 1968 Firebird. CFE provides world class cnc ported racing heads, fabricated intake manifolds, and billet blocks for a wide variety of racing applications including: drag race, circle track, boat, offroad, and road racing. With aluminum heads you can run about a point and a half higher compression than you could with iron without fear of detonation----that's one of the reasons all new cars have aluminum besides the weight reduction. The Pontiac Catalina is an automobile which was part of Pontiac's full-sized line from 1950 to 1981. ive been slamming to get this listed before the midnight seller. Hello, Frank & Bob (AllPontiac), Just wanted to send you my personal thanks for your help and assistance, for my 505 IA (2) and the Tiger heads, which once put together became an awesome combination and more than I expected. 045 400 block) 4. or call: 414-764-4586. Short Block. These heads are off a 400. These Pontiac castings have incorporated the heart shape combustion chambers and spread port design intake runners. How hard to get 400 hp out of a 400 pontiac engine « on: October 18, 2008, 11:18:01 PM » Hey Guy's ,I no nothing about Pontiac engines ,and was wondering if anyone seen articles on how to take a factory non w72 pontiac 400 ,and get around 400 hp out of it. Both the 400 and 455 respond well to valve lifts of up to about. These stainless steel valves are common in many 1968-70 Pontiac 400, engines w/ 2. With this combination we can make over 550hp with incredible torque for the dream machine muscle car. With aluminum heads you can run about a point and a half higher compression than you could with iron without fear of detonation----that's one of the reasons all new cars have aluminum besides the weight reduction. Date codes are L029 and H069. Well it was finally official, GTO had become its own model for Pontiac in 1966 and sales of the new GTO Model sky-rocketed. The 1967 closed chamber #670 head is actually the best flowing head Pontiac ever made under. It's the biggest cam I would even consider using in a 400 engine with 4X or 6X heads that aren't cut pretty hard. HP Pontiac "D" port heads priced to sell - $1234 68 216 pair $400. All Pro Heads is the Industry Leader in Small Block Chevy Aluminum Cylinder Heads, (as well as the new Generation 3 and Mopar W9RP) , catering to the hard core racer always looking for the perfect design for a specific application. 5 to 1 According to my best knowledge the '67 Tempest LeMans was. Pontiac 400 428 455ci Street Crate Engines Bill Cannon, the owner started racing with his first car, a 1965 GTO 428 4 Speed in 1975. The 1967 closed chamber #670 head is actually the best flowing head Pontiac ever made under. The SuperChief is here Over 400 cfm flow potential New price blowout. 6 litres or 6600 cc, denoting GM's newfound affection for the metric system)the new engine featured a bumped up compression ratio (now 8. If you stick with the Pontiac motor I think you can easily get your 400-450hp goal. When building a max-performance Pontiac V-8, each engine is almost always unique unto itself. Block Casting: Original 389 block or equivalent 389 or 400 replacement. The 350, 400, and 455 are interchangeable but today most Pontiac enthusiasts want the 455 with aluminum cylinder heads. The small bore size and a 2. Looking at the chart below, we can see that this is a 1974 Pontiac 400/455 head. On blocks produced in 1970 and after, you will find 350, 400, or 455 stamped towards the left side of the front of the block. I need some cam grind advice for my motor in the '40 Plymouth gasser, here's what I'm working with'76 Pontiac 400, 6X heads, Weiand 4bbl intake, Holley 4150 600cfm carb, fenderwell headers, stock points ignition, stock fuel pump and compression, stock TH350 trans and converter, 3. Search Car Torque Specifications by Engine or Model. The 400-455 is pump gas friendly for the mild daily driver. To make 500hp with a 455+cid engine with Edelbrock heads and mild cam timing around 230 deg's @. Firebird 400 Ram Air II In March of 1968 Pontiac released another L67 coded 400 dubbed the Ram Air II. Find single-action revolvers from a variety of top manufacturers at the lowest prices, in stock and ready to ship to you!. Pontiac Head ID. Featuring a Pontiac 400 cubic inch block stroked to 455 cubic inches, this authentic Pontiac stroker is perfect for street and strip use. Introduced as a companion make for GM's more expensive line of Oakland automobiles, Pontiac overtook Oakland in popularity and supplanted its parent brand entirely by 1933. Find PONTIAC 6. Back to the situation at hand So my friend decided to trade the Chevy 400 we built for a Pontiac 400 with someth'n like 428 HP and 480 TQ. heads-(6x) -400 NEW speed pro forged pistons and rings -475 flow tech headers -250 edelbrock timing chain -50 edelbrock torker cam and lifters -225 professional products balancer -100 msd distributer cap -35 USED Edelbrock carb(650 i believe) -150 Edelbrock torker 2 intake -200 Make an offer for a package deal. We have these Icon brand Pontiac 400 forged piston sets available in a wide range of sizes including standard bore and many popular oversizes. Works well with large displacement stroker engines. Of all the factory iron heads I have played with, I have found the “A” heads to be the best in stock form. These heads use the stock Pontiac D-Port exhaust port exits for use with standard D-port aftermarket exhaust systems. I just did a set of #15s for myself. Crane makes some reproduction camshafts that you might want to check out, in particular the one that the original Pontiac number ends in 068. 75cc deck height volume. Pulled this motor out to put a different motor in. Below are just some of the pump gas builds we have done over the years. 5 to 1 According to my best knowledge the '67 Tempest LeMans was. currently the things lucky to be running, its got a holley 750 with the choke linkage missing and it really just need to be replaced. Well look no further than a genuine GM Pontiac crate motor or a special Eddies Performance Pontiac crate engine. If one obtains these 670 heads, and opens the chambers ala the 1968 and later 400-428 heads, and adds the good valve prings, you will have as good a high compression head as is possible to find. pontiac twin turbo 400 build Discussion in ' LS1, LS2, LS6, LT1, SBC Turbo and other GM Specfic Turbo Tech ' started by 70_boosted , Oct 20, 2007. The block has a August 27th 1977 date code the 6X heads are April 25 1975 and April 24th 1975 date codes. The blocks of all Pontiac V-8s from the 287 to the 455 are the same size and very close to the same weight, which can make it more difficult to identify the 11 different engine displacements produced from 1955-79. 50 to run as fast as I want to safely. 25 intake and a 1. Performance engine upgrades mild to w ild!!available on any V8 Pontiac engine we sell! Call for turnkey pricing on an engine for your application. All of the common Pontiac D-port heads whether they came on a 350, 400, or 455 have the same size ports. Best ET: 7. The 326 is a de-bored 389, and a 400 is an enlarged 389. I just so happened to have just the manifold to copy their design. Q: I want to build a. For sale is an awarded 1967 Pontiac GTO. there are two more #s ,one on each - Answered by a verified Pontiac Mechanic We use cookies to give you the best possible experience on our website. i gotta 62 cat with a 389. over 330 hp vintage 1968 pontiac YT code engine. SD Performance has more 5 Axis CNC Porting and Combustion Chamber Programs for Pontiac heads then anyone and we are constantly working on more and improving. It may take a few seconds to load. Only top-quality Pontiac parts from the best names in the business are what we offer. We are able to do this because of our long time involvement in racing and performance street rodding 'and' because of our experience as a. Pontiac improved cylinder-head airflow by decreasing valve angle from 20 degrees to 14 and adding larger intake. Get the best deals on Cylinder Heads & Parts for 1969 Head Studs With Hex Nuts For 67-Later Pontiac 350/400/428/455 With D Port Heads. The Pontiac specifications for both duration and lobe placement should be used as the starting point for cam selections in both street and street/strip cars. 87 for deck height volume). In 1970 the 350 and 455 had their size cast in the side and a 50 or 55 in the lifter valley. Came in a 1978 Pontiac Trans Am. 110" intakes and 1. 500 hp will be a challenge for a street engine. A revitalized Pontiac 400 was offered in 1977 to take the place of the recently departed 455. 5", then yes, anymore ONLY 400 cubic inches IS small, and we aren't even discussing the monster stroker engines from Chevy, Ford, and Mopar! Rod length Pontiac designed the 389 to have a tall deck and a long rod. This page will help you identify the year and size of your Pontiac engine. Alamo Area Chapter Pontiac-Oakland Club International Calendar: FAQs: Car Show: FAQs: Engine Torque Specs: Block Identification: Cylinder Head Information. They were put in over 95 percent of Pontiac V-8s from 1959-1979, with the most popular of these manufactured for model years 1967-1976. No matter what you're driving, we have the right Pontiac 455 Cylinder Heads for your automobile. 6L/400 Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing!. 5:1 rockers. It has been so long since I put gas in a car this old I don't remember if we were still using leaded fuel. Labor costs are estimated between $704 and $888 while parts are priced between $482 and $513. 00 these are early 16s just has smog passage but not drilled out for smog attachment or tapped. The first Pontiac was the Series 6-27, debuted at the 1926 New York Auto Show. The best way to know chamber size is to measure their volume (CC the heads). Best Sellers Gift Ideas New Releases Whole Foods Today's Deals AmazonBasics Coupons Gift Cards Customer Service Free Shipping Shopper Toolkit Registry Sell 1-16 of 150 results for "pontiac 400 cylinder heads". To that end, they included a hood scoop and fresh air intake, but tweaks to the camshaft, cylinder heads, and exhaust manifolds were key as well. or call: 414-764-4586. 50 to run as fast as I want to safely. Remanufactured & New Cylinder Heads for Chevrolet. 75 CR and a 351M will develop 10. 1967 & Later Pontiac 350. Only top-quality Pontiac parts from the best names in the business are what we offer. The Pontiac specifications for both duration and lobe placement should be used as the starting point for cam selections in both street and street/strip cars. He had brought me the complete short block that was rebuilt back to stock, but wanted more power than what a stock rebuild would make. The May 7, 1973 changeover date is Motor Unit Number 709986 assembled on or about May 7, 1973 May 7, 1973 is the head assembly date, NOT the casting date. Pontiac Head ID. Viton-coated outer layers create a superior seal not available with other steel or copper gaskets. I knocked the upper rod bearings out of a 400 on 93 with an octane booster, so I found out first hand what. Like all PONTIAC engines since 1955, the firing order sets is: 1-8-4-3-6-5-7-2, all by turning it counterclockwise. 1967 400 heads 061 casting number for bonneville Catalina firebird date code on both f277 2. 75" refer to the flange or hub that the flywheel or flex plate goes over. Regular 455 head, Stage 1 and Stage2 heads. It is a 400 bored 30 over. 25 intake and a 1. The small bore size and a 2. 6:1) by bolting the smaller combustion chambered cylinder heads from the. Nice set of rebuildable 1973 Pontiac Firebird Trans Am 400 4x heads. Worldwide Enclosed Door To Door Transportation Along With Long Term And Low Rate Financing Available. Correct for Gto and firebird with 400 engine and auto transmission. Selling a set of Pontiac GTO #16 cylinder heads. While turning your Pontiac 400 into a fire-breathing BBC eating machine can be accomplished given enough dedication and money, the Pontiac engine remains a viable economical option for building a lot of torque using basically stock castings, including blocks, heads and cranks. Pontiac stuff is out there, but a nice set of Edelbrock or other aluminum heads would make a huge difference. Each engine is line bored to assure straightness. Get the best deals on Cylinder Heads & Parts for 1969 Head Studs With Hex Nuts For 67-Later Pontiac 350/400/428/455 With D Port Heads. most parts have low low miles. Fits 61-63 B-body Miniature starter or upside down starter is required. 400 unless you get busy on them! _____. Dollar for dollar, cylinder heads are the best place to invest if your goal is to improve your engine's performance. Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. Too much time has passed. Remanufactured & New Cylinder Heads for Chevrolet. about our high performance crate engines: CAROLINA MACHINE ENGINES is an expert at extracting the most horsepower and producing the most dependable High Performance Pump Gas street engines available. From the little bit of research I've done, I think I can boost the compresion up into nines with the GTO. Over 130 years of combined experience in Pontiac & GM Parts. The original set up in 1967 concentrated on improving how the engine would breathe. SD Performance spends an extensive amount of time on the dyno, at the track and on the street to develop some of the best performing Pontiac ported cylinder heads on the market today. This head is completely different from our aluminum D port head that we introduced a couple of years ago. pontiac 389ci or 400ci small block with the whole edelbrock performer package (cams,lifters,heads,)but with dual holley 4barrels and a weiland blower. 5 hp vacuum cleaner motors), two graduated vertical manometers to measure atmospheric pressure, an incline manometer to measure actual airflow, and a velocity probe. The first column contains the intended use or application category. Numbers matching. Save money by buying a used quality part. Every bit as good on a 400 as the 1971 #96 400 heads (96ccs + chambers), even though the #96 heads have a 1. PitStopUSA. 060" or larger. Lot #21,827. Two versions available A-all D-port heads; B for 63 SD "980" head only. One of the Nations leading Pontiac Parts Dealers. Rather than spending money on it, in amounts which may increase now due to rarity value, it is beneficial to get the information, store it on your hard drive and print it off as many times as you need to. The turbocharged 301 went into production for the 1980 model year, replacing both the Pontiac 400 and Oldsmobile 403. Some of our popular engine combinations like our 350,400,455 and world renowned strokers like the 461 are best used for street/strip hot rods. This process is made easier since the majority of Pontiac cylinder heads have the casting number, or a portion of it, on the outside of the head (as opposed to under the valve cover like many other makes). They have anything and everything that's available for the early Pontiac V-8. If one obtains these 670 heads, and opens the chambers ala the 1968 and later 400-428 heads, and adds the good valve prings, you will have as good a high compression head as is possible to find. The best cam I've ever tested in really "low" compression 400's is the Crower 60210, 210/221/112. One of the most important components to an engine's performance is cylinder heads. 1, of 1970. 550" lift, expect to turn it 5,500rpm. Pro Filer Small Block Chevy All American Heads with 185cc Intake Runner, 2. For sale is a 1972 pontiac lemans 400 big block. When I bought it it came out of a GTO. 11 intake and 1. By the 1965 model year, Oldsmobile had the answer, by adding 35 additional horsepower. After doing a little research, I found a pair of 1969 Ram-Air 3 heads (cast #16), which have the large valves and better breathing. While turning your Pontiac 400 into a fire-breathing BBC eating machine can be accomplished given enough dedication and money, the Pontiac engine remains a viable economical option for building a lot of torque using basically stock castings, including blocks, heads and cranks. Generally, the rule is that early heads can be used on later blocks but later heads will not fit early blocks. After doing a little research, I found a pair of 1969 Ram-Air 3 heads (cast #16), which have the large valves and better breathing. 23 rear gears in a stripped down '40 Plymouth 2dr sedanI want more low end and mid range power instead of. The information below reflects the research conducted by Pontiac enthusiast/ author Pete McCarthy, much of which is from his book, Pontiac Musclecar Performance 1955-1977, as well as information gathered from many other Pontiac enthusiasts world-wide. Crower has worked hard to serve the performance parts needs of the racing industry for over 55 years. Possible delivery to Stafford Springs Swap Meet the weekend of October 19th. The first column contains the intended use or application category. In our last issue, we began our foray into the world of airflow, as. CFE offers a 15 degree small block Chevy head specifically designed for use in high horsepower drag racing applications. Or if they had the cash then they could just buy a pair of Weiand ‘cheater’ heads which looked exactly like the Canadian externally, but were decidedly different under the gasket. All heads will CNC chambers and will be capable of flowing 400 cfm. com certainly perform better on a car. 1968-69 Pontiac engine codes decoder reveals the code prefix, engine performance, displacement, and configuration. This is an above average Firebird!. It seems somewhat funny to consider the 400 a "smaller" engine, but when MANY of the 400's out there are being stroked to 4. In 1973 Pontiac started stamping extra numbers (1/4" tall) on their heads. 6L/400 Cylinder Heads with Aluminum Cylinder Head Material and get Free Shipping on Orders Over $99 at Summit Racing!. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. The design of the 1969 GTO had little change from the previous year. “This specific motor, because of the Ram Air II heads, has slightly different cam specs than our usual package to match the flow of the heads,” he says. GM FoMoCo Pontiac 400 428 455 Engine Casting Numbers;. All of the common Pontiac D-port heads whether they came on a 350, 400, or 455 have the same size ports. Stroker Kits | Call us at 636-946-4747. 400 unless you get busy on them! _____. 350 needs an oil pump and can come with a pontiac performer intake for sale price. Yes, I know some purists may not like that I "sacrificed" one of these, but I don't look at it like that. One of the most important components to an engine's performance is cylinder heads. ** Use sheet stainless steel block off plate. They come with all rocker arms and guide plates. A 428 was cast on the side of the block and in the lifter valley was a 28. Doesn't your vehicle deserve the best using only original GM. However, these heads are EXTREMELY rare and you will have to pay a hefty price if you can find a pair. These heads are shipped UPS shrinkwrapped and sprayfoamed into dimensional lumber crates. GET IT SHIPPED Free Auto Shipping Quote: 1967 Pontiac Firebird 400 Convertible Customized. Some guys. do NOT contact me with unsolicited services or offers. SD Performance spends an extensive amount of time on the dyno, at the track and on the street to develop some of the best performing Pontiac ported cylinder heads on the market today. input needed on 428 small valve heads Engine Tech pencil and paper and using later model pontiac head chamber specs. 550" lift, expect to turn it 5,500rpm. This particular vehicle comes with Power Steering, New suspension and a rebuilt transmission with no leaks. 50 to run as fast as I want to safely. We've touched on Pontiac engine performance previously, back when we covered aftermarket crankshafts and stroker packages available for 350, 400 and 455 Pontiac engines. An MSD 7AL and a Unilite Distributor (Inferred module) provide the ignition. *Pontiac 400 Compression area=25. Butler Performance is the main source for stock and performance cylinder heads for your Pontiac. Introducing a 1969 Pontiac Firebird convertible with rebuilt 350 c. or call: 414-764-4586. I am selling a ton of Pontiac engine parts of all different sizes, tons of heads (D-port only, about 20 different casting numbers, (some pre 65) about 75 cranks, about 27 blocks (cores, some have. Best Sellers Gift Ideas New Releases Whole Foods Today's Deals AmazonBasics Coupons Gift Cards Customer Service Free Shipping Shopper Toolkit Registry Sell 1-16 of 150 results for "pontiac 400 cylinder heads". 300 intake valve and a 1. It was the first in a long line of high performance Pontiac heads with screw-in studs and stamped steel pushrod guide plates. The Muncie 4 speed was professionally rebuilt and has a Hurst competition shifter on it. Pulled this motor out to put a different motor in. And used set of 389cu. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. While turning your Pontiac 400 into a fire-breathing BBC eating machine can be accomplished given enough dedication and money, the Pontiac engine remains a viable economical option for building a lot of torque using basically stock castings, including blocks, heads and cranks. Labor costs are estimated between $704 and $888 while parts are priced between $482 and $513. Well look no further than a genuine GM Pontiac crate motor or a special Eddies Performance Pontiac crate engine. Find 400 Pontiac Engine in Canada | Visit Kijiji Classifieds to buy, sell, or trade almost anything! New and used items, cars, real estate, jobs, services, vacation rentals and more virtually anywhere in Alberta. Uberti 44-40 Rifle and Revolvers Review. Heads do not require off-set lifters or rocker shaft systems (except 400 cfm. The 6X is the better of them though. 57 + head cc (assuming 6cc for valve relief, 9. About Contact Parts For Sale. most parts have low low miles. It's simple. Labor costs are estimated between $702 and $887 while parts are priced between $381 and $400. This new HIGH PERFORMANCE Pontiac cylinder head will have a 10 degree valve inclination angle and will be able to support a 2. Research the Used 2005 Pontiac Bonneville with our expert reviews and ratings. Join today and help support and build the best of all Pontiac Clubs in the world. Pontiac blocks are interesting power plants that are often misunderstood and improperly identified by sellers and buyers alike. Serious people only thanks. do NOT contact me with unsolicited services or offers. Save money by buying a used quality part. Both racing and muscle car enthusiasts can also make significant horsepower gains by selecting a pair of the many aftermarket Pontiac performance heads that are available today. I was working in gas station in 1970 and remember selling gas for 23 cents per gallon with. Free Pontiac Parts Catalog 1933 to 1958. Nice set of rebuildable 1973 Pontiac Firebird Trans Am 400 4x heads. Enjoy your Pontiac hobby at the only 24-7 Pontiac Club that brings you Pontiac News, Pontiac Information, and Pontiac Entertainment at the speed of light. The fuel map I used for my Pontiac 400 was RTG102-8cylHEI_NA_475tq_300tf_Performance. Has very low miles on it 1,500 at the most. We would like to thank everyone that has contributed to the data provided on this site. Early (1961 to 1979)Pontiac V-8 engine parts and engine building. Pontiac 400 Pistons by Icon. Pair of Pontiac 6X heads in nice shape complete. Tri-Power Setup (Limited) These new complete units include the aluminum intake manifold, air cleaners, center and end carbs hard and soft fuel lines with fittings, clamps and filter , throttle linkage bracket & spring, choke components, thermostat housing, carbs mounting bolts and all necessary gaskets. The "E" castings are smaller than the others, but only by a few cubic centimeters. Swapped and Boosted TWIN TURBO Chevrolet V8 Small Block -283, 305, 327, 350, 400 - The Swapped and Boosted Inc. I read a page on the internet about "the best stock pontiac head", and the "biggest surprise intake port" in terms of flow was the #17. 00 these are early 16s just has smog passage but not drilled out for smog attachment or tapped. Good price for these heads if they are in good shape and built properly. 6 litres or 6600 cc, denoting GM's newfound affection for the metric system)the new engine featured a bumped up compression ratio (now 8. A set of Nitemare Performance custom-ported Pontiac cylinder heads will get your more flow for less dough. Rebuilt 400 with hi-perf "6X" heads Turbo-hydra automatic Safe-T-Track. Regular 455 head, Stage 1 and Stage2 heads. input needed on 428 small valve heads Engine Tech pencil and paper and using later model pontiac head chamber specs. This is a set of Speed pro Pontiac 400 forged 30 over # L2262F. I was going to run these on my motor but ended up finding the set of 12s I needed first. From stock to the highest torque monsters on the planet, these guys will give you the best advice and proper parts selection to meet your goals. Sorry this page is a little long. We offer a plethora of Pontiac Aluminum 455 for your vehicle needs. 1976 Pontiac Trans AM 455 help If you bolt on a set of 6x-8 heads from a 400, you'll get a nice little hp bump from the smaller chambered heads. The 400-455 is pump gas friendly for the mild daily driver. Pontiac Engine Prices and Packaging The following is Eddies Performance Pontiac Engine Packages and Pricing. To use the Small Block Chevy 350 head on a 400 block, it will be necessary to drill six holes in the cylinder heads. Them Pontiac 350's are Like the Red Headed Step Child to Most Pontiac Guy's. Can I swap heads from a 74 Pontiac GTO motor (350) to a 400 motor? Howdy. Displacement will somewhat dictate the peak horsepower rpm. 77 4 valve relief forged pistons. Pontiac Pump Gas Street Engine Combinations. Pontiac V-8 Camshafts Sorted by Type and Intake Duration Lftr H = Hydraulic, S = Solid (mechanical), HR = Hydraulic Roller, SR = Solid (mechanical) Roller CMC = Camshaft Machine Company. I knocked the upper rod bearings out of a 400 on 93 with an octane booster, so I found out first hand what. HEI distributor with rev limiter set at 5500 rpm. honestly, a 380ish HP 500 torque car is a 15-20mpg possibility, smooth enough idle, vacuum brakes, etc. Repainted Last Year. In a 1968 Car and Driver comparison test, a Firebird 400 HO bested a 390-cid Javelin, a 390 Mustang and 390 Cougar, a Camaro SS 396 , and a 340 Barracuda. Pontiac Heads - Classifieds: Find CHEVROLET PONTIAC HEAD Light in Grand Prairie, Buy 37 Pontiac Deluxe 6 in Shelton, Sell 455 pontiac running engine in New Haven, Sell 1972 Pontiac Grand Prix in Lyons, Find 1971 Pontiac 400 head in Kirkland. Pontiac 400-428, '67 & later Head Stud Kit. com certainly perform better on a car. Comes with pontiac 400 automatic transmission. This page will show you how I took a set of 6X heads that I bought for $100 that looked like this. Selling a Matching Set of 400 pontiac 5C-8 heads Came off my 400 pontiac they have been gone thru years ago with valves replaced and 3 angle valve job and are in excellent shape no sunk in valves or stripped bolts. To test exhaust flow, we simply plumbed the laminar element backward to "push" rather than "pull. They just don't flow anymore after. Find Replacement Car & Truck Parts For Sale. Car is gone and selling off any remaining Pontiac parts I find. The later units, noted as 575 CFM, can be converted to the full 610 CFM by replacing the hot idle compensator with the earlier hot idle compensator (Carter 169-43S); or by removing the hot idle compensator and plugging the passage (not recommended for street driven vehicles with auto transmission). Find PONTIAC 6. Hello, Frank & Bob (AllPontiac), Just wanted to send you my personal thanks for your help and assistance, for my 505 IA (2) and the Tiger heads, which once put together became an awesome combination and more than I expected. Pontiac Aluminum 455. This cast iron block and head 1965 GTO will blow your mind! It made 1,580 on the dyno and this thing is beautiful and VERY fast! We can't wait to see what it does at the track. Pontiac heads are notoriously inconsistent from head to head- despite having machined combustion chambers the can vary in volume by as much as 4cc's. 57 + head cc (assuming 6cc for valve relief, 9. To that end, they included a hood scoop and fresh air intake, but tweaks to the camshaft, cylinder heads, and exhaust manifolds were key as well. For cylinder heads manufactured after 3/15/02 bolt kit #350-8549 will be required. pontiac 389ci or 400ci small block with the whole edelbrock performer package (cams,lifters,heads,)but with dual holley 4barrels and a weiland blower. Dave is considered to be among the best Pontiac builders. On blocks produced in 1970 and after, you will find 350, 400, or 455 stamped towards the left side of the front of the block.