Best Pontiac 400 Heads


Here is side by side comparison of 1970 455 heads. Will fit many Pontiac V8s. PONTIAC V8 4. 1968 68 Pontiac Gto Firebird 400 428 Auto Manual Transmission #16 Ram Air Heads. (6,554 cc), and 455 cu. AutoZone has the Firebird performance spark plugs to keep the performance of your engine up to par with its stylish exterior. Join today and help support and build the best of all Pontiac Clubs in the world. 060″ over, Internally Balanced 4. Guaranteed lowest price! Save $15 Off $299, $25 Off $499, $50 Off $799, $100 Off $1,599 Orders. High insurance rates, emissions testing, oil shortages, and higher priced fuel sealed the fate of the glorious early 70s muscle cars. They were not in the 15's. These were better breathing than earlier heads, and had 2. 750" stroke crank. 8" H-beam rods w/ARP 2000 bolts Total Seal rings and Federal Mogul bearings Internally balanced: $2,159. Not sure if that is true, but maybe there is a specific Brand Head that is best fitted for Ford Small Block's. The 6x-8 heads are low compression heads, they will work good on a 400 engine if prepped properly, larger exhaust valves, port work, etc. 48 heads ('69 Firebird 400 and 350HO, GTO, Grand Prix, Bonneville, Catalina) - No. 1 Mahle Flat Top Pistons. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. This head will be available with initial flow numbers around 330 cfm! All heads will have CNC chambers and will be capable of flowing 400 cfm. These thick walled blocks are the best there is for 400 blocks. Block Casting: Original 1973 SD-455 block Preparation: De-burr, and bore. If the heads were rebuilt at some point and upgraded to be able to safely use unleaded gasoline the lead substitute would not be needed. There are many different pontiac engines, most notably the V8 small block versions like 301 and 350 cubic inch and the big block V8 pontiac motors such as the 400, 428 and 455 ci. 5 DEGREE BRODIX PONTIAC HEADS. This perfect paring complements the high-flow characteristics of Trick Flow® cylinder heads and their other components, with high performance headers built to unleash torque, horsepower, and provide an awesome tone!. Coolant is transferred from head to head by a steam line on the back of heads. Head use a Ferrea 5000 series valve with a 5. Performance Updates: Dyno info: Out of the box heads make 628 tq and 700. These heads are virgin and do not appear to. Performer heads #60579/60575 are 50-state emissions legal for 1965-79 vehicles. The 400 pushed this number up to 360 horsepower, with the same Quadrajet single four-barrel. Then just have fun with it. it occurs inside Pontiac cylinder heads. I'm convinced that this head was the prototype for the later production open chamber heads, but the Pontiac engineers learned something on this head that they incorporated into all of the round port performance heads of the RA-II, IV, HO, and SD-455 heads. 1967 and up valve covers were redesigned to clear the new valvetrain geometry. Q:: I have a 1967 Pontiac GTO with a 400-cubic-inch engine that originally came from a 1968 Grand Prix. In 1933 and 1934, Pontiac built only eight-cylinder cars, but they used a straight-eight rather than a V-8. 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. This is the first D port head on the market to incorporate the latest developments in cylinder head technology into it. Coolant is transferred from head to head by a steam line on the back of heads. Free shipping. High output Pontiac V8 Cylinder Heads. Correcting this situation beyond that requires different pistons and or head’s. The block casting number, 9790071, is for a 1968-1969 400 engine. CR Compression ratio estimates based on a. 0-liter V8 engine as its powerhouse. 0 compression ratio. It was a true performance. Identifying Pontiac cylinder heads is also a fairly straightforward procedure. , 7,488 cc) versions. Edelbrock 61599 - Edelbrock Performer Cylinder Heads. 039" head gasket (Fel Pro standard 400 rebuilder gasket) you'd be up just shy of 9:1 with the 67cc heads. 377" while the exhaust increased by. Performance Updates: Dyno info: Out of the box heads make 628 tq and 700. 5 out of 5 stars. Now to complicate things a little more, the 6X-4/6S head was also installed on the 350. Very desirable hidden head lights that work as they should. 1966 Pontiac 421 cylinder heads #092 with screw in 7/16" studs added. Both have the 2. Fast shipping. 750 inch stroke crank, OEM or aftermarket. We currently offer porting on the 74cc and 85 cc heads. The date code is 4 digits. 400 stroker assembly. Pontiac 400 to 455ci Street Crate Engines Bill Cannon, owner operator engine builder started with his very first car, a 1965 GTO 428 4 Speed in 1975. They used the HO moniker to counteract the perception of lost performance. it occurs inside Pontiac cylinder heads. In our last issue, we began our foray into the world of airflow, as. 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. Use the 68-70 heads, (cast with a big B or C in the top. 389/421 Stock pushrods $25 a set. Pontiacs are a unique breed. The codes are listed below. 65 rockers Edelbrock RPM intake Holley 750 carb jetted 74/84 This combo idles strong at 900 rpm and pulls 15# of vacuum. L-78 base 400 75-78 TA 400 autos ran 15's. From nose to tail, specific components give this GTO a lower, more aggressive look. Once again a new cylinder head casting number appeared, this time they were 5C and carried last year's 2. Save Some Weight, Money And Gain 49CFM. These seals are not a retrofit from some other engine, but designed from a clean slate using state of the art technology and the best materials. These thick walled blocks are the best there is for 400 blocks. Two versions available A-all D-port heads; B for 63 SD "980" head only. Displacement: 462 ci. Get Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from Speedmaster! Other Shops Sell Ported 240CFM Iron Heads for $1995. They are usually stamped on the machined pads by the valve covers. Like all PONTIAC engines since , the firing order sets is: , all by turning it counterclockwise. Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. The series ended. I never cared for strokes over 4", in 69-70 I saw many crank failures. 1967-81 Pontiac Firebird & Trans Am. 2002 Pontiac Firebird Trans Am46,192 Miles|Parma, OH$21,970est. There are so many other Pontiac cylinder heads out that that are already 2. 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. Pontiac steel heads are completely reconditioned with. 463 CID KB forged flat top 4. May 06, 2008 · The 400 is bored 30 over has and has forged domed pistons (9. Very desirable hidden head lights that work as they should. Here is a list of the top 5: - No. Skip White Performance provides many high performance racing and engine products such as, stroker engines, turn-key engines, cylinder heads and pistons Call Us: 423-722-5152 Login or register. 750 inch stroke crank, OEM or aftermarket. 400 stroker assembly. Q:: I have a 1967 Pontiac GTO with a 400-cubic-inch engine that originally came from a 1968 Grand Prix. LB-1 Long Branch D-Port Factory Headers67-69 Firebird, 60-70 Big Car (Cat/Bonne), 71-77 Ventura & 69-72 Grand Prix--MADE IN U. When the cylinder head fails, symptoms like white smoke from the tailpipe appear. Notice how close the Stage 1 valves and they almost touch, you can barely fit a dime between them. The Strongest Aftermarket Pontiac Engine Block. Click on the SuperChief to find out more. Heads with 1/2"-13 threads have most likely been previously modified as very few of the early engines had screw in studs from the factory. The SD 455 cars easily ran high 13's. The 6x-8 heads are low compression heads, they will work good on a 400 engine if prepped properly, larger exhaust valves, port work, etc. 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. Most Pontiac "how to" books will have charts listing what compression you'll get with various heads. The eads flow between 260-270 cfm on the intake and approximately 210-220 on the exhaust. These are the first year for the 2:11 / 1. block#481988,500557, head#46, 4X, 6X, 5C,4H farmer head ;) crank#2 1/2" centering ring $2,290 $500. , 5,798 cc), 400 cu. The KRE Warp-6 is the most recent offering in the canted-valve market for Pontiac V-8s. These heads are virgin and do not appear to ever been touched. The 318 engine is absolutely the best all-around small block Mopar, in my opinion. This head is available with initial flow numbers around 260 cfm! This heads comes as cast with a 65cc chamber, 74 and 85cc CNC'd chambers are available. Date: Mar 1, 2010. The SD 455 block was much stronger than the base 455, they were safe to rev higher, it had better rods-pistons-head and exhaust manifolds. When someone talks about a Pontiac Ram Air (numbers II through IV), they're talking about a series of limited-edition, 400-cubic-inch muscle. by George Nenadovich. 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. 2 ion vue rebuilt cylinder head 2002-08 2304ab casting : $400. The first was the Ram Air III, which was a 400 cid V-8 with big-valve D-port heads, cast iron intake, and high-flow exhaust manifolds. It is a flat hydraulic camshaft with great sound and fantastic performance. Many individual components come together to form a unique package that sets this GTO apart. They are designed in such a way as to match the profile and shape of most standard and. This is a quick block ID for junk yard hunting, etc. This perfect paring complements the high-flow characteristics of Trick Flow® cylinder heads and their other components, with high performance headers built to unleash torque, horsepower, and provide an awesome tone!. Pontiac Performance Parts at reasonable prices Just click on any of the items below for more PONTIAC PARTS info. This is one of Doug's favorite builds. 77-inch valves. The 6X-8 heads were on the 180 HP 400 motors, the 6X-4 heads were on the 200 HP 400 motors, starting in '77. Custom-Ported Pontiac Cylinder Heads: At Nitemare Performance, we only build and modify pure Pontiacs with traditional Pontiac engines — the legendary 326-455 cubic inch V8s produced from 1964 through 1980. We currently offer porting on the 74cc and 85 cc heads. These heads are virgin and do not appear to. The series ended. Have the heads ported and get 2. We recently disassembled an excellent bone stock 1975 Pontiac 400 from a Trans-Am. The '76 400 with stock 6X heads only has a 7. This stroker combination uses a 4. FOR SALE AT 500 CLASSIC AUTO - 68 FIREBIRD 400 4 SPEED CONVERTIBLE FROM FACTORY. Get the info and the parts you need to build your STREETABLE high performance Pontiac engines! To order the best bang for the buck info on building your Pontiac engine, click on the image below to order. 060″ over, Internally Balanced 4. 77 vavles installed. An anemic 400 W72 4-speed T/A ran high 14's right out of the box. Also used in HO applications, Pontiac and GP 400/428 engines. Check under the hood regularly for other signs of. (Image above: First and Last Regular Production Pontiac 400's - 1967 GTO 400 4-speed and 1978 Trans Am 400 W72 4-speed WS6 Pontiacs. The heads will bolt to traditional Pontiac blocks as well as aftermarket blocks. 001: Pontiac 350/400/455,. 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. 16 heads ('68 Firebird 400, GTO, Grand Prix, Bonneville, Catalina) - No. Standard valve sizes for the KRE D-port heads are 2. All Pontiac/Tiger Cylinder Heads - 400+ CFM Bare 356-T6 Aluminum, 400+ cfm flow out of box, 50cc combustion chamber, 310cc intake port, Will accept up to 2. 030 cut on the head’s the intake also has to be narrowed bu milling on both sides. Look at the RPM heads and RPM intake manifold. 4l: saturn 2. In 1970, Pontiac released the second generation of the Pontiac Firebird. In 1968 the small journal was bored out to 400 cubic inches and included many performance options. The Pontiac Performer D-Port head is made from A356 aluminum alloy, and will fit all 1962-'79 Pontiac V-8 blocks with a 4. Dura Bond cam bearing installed. Performer heads #60579/60575 are 50-state emissions legal for 1965-79 vehicles. Bolt-on Pontiac 400/428/455 Turbo Headers- Round Port, RAII/RAIV Pattern. engine with Ram Air heads, 4 speed manual transmission and Safe-T-Track rear end. The price for crating each head is $20 USD The valves and other parts if included are shipped in a separate parcel. To get a 400-inch engine, Pontiac started with their. 00 Ceramic coated Oldsmobile Flowtech Ceramic Headers Starting at $335. They are designed for 1962-79 389, 400, 421, 428 and 455 cid V8 Pontiac engines with a 4. They were not in the 15's. ** Customer Supplied Rebuildable 400 Block **. Then just have fun with it. The overall length is 5 inches. It is available with three different size combustion chambers--65cc, 72cc or 87cc--and is cast with thicker port walls than stock Pontiac heads and molded with smaller port sizes. Some of the quickest stock-appearing Pontiacs in the country feature cylinder heads that have been ported by his company in Chilliwack, British Columbia. 69-79 cast impeller rebuilt water pumps - GM PART # - $39 - Best for cooling. It was the first in a long line of high performance Pontiac heads with screw-in studs and stamped steel pushrod guide plates. At the start of the 1970s, the 400 V8 generated more than 300 horsepower, but decreased to 180 horsepower by the time the last 400 engine was produced in 1978. 1963 - 389 SD Code 543797. On these heads it was cast too close to the center bolt hole, and the only way a normal head bolt with a hex head would clear the casting was to use a special bolt. 250) so the ports and valves are slightly smaller than, say a decent Pontiac 400. SONNY'S 14. This listing is for one pair of the famous 1967 #670 closed chamber cylinder heads in very good general condition as seen. Similar to a dish piston, the goal of a Reverse Dome piston is to lower the compression ratio of your engine, making them great for boosted (supercharged, turbocharged) applications. SBC Eliminator - Gen I Manifold; SBF Renegade - 20. Pontiacs are a unique breed. Custom-Ported Pontiac Cylinder Heads: At Nitemare Performance, we only build and modify pure Pontiacs with traditional Pontiac engines — the legendary 326-455 cubic inch V8s produced from 1964 through 1980. These are the first year for the 2:11 / 1. No stock rods in this engine we use only Eagle connecting rods. 300 intakes, & 1. ** Use sheet stainless steel block off plate. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. Frank's Pontiac Parts. The pan dosen't fit the best i am wondering if you guys seal the pan with silicone only and forget about using the gasket?. The 6X-8 head was on the 180HP 400s with a 7. If you have an 389, 421 or other early Pontiac which has screw in studs so be sure to verify they have 7/16" base threads. 16 heads ('68 Firebird 400, GTO, Grand Prix, Bonneville, Catalina) - No. Pontiac V8 326-389-421 1961-67. ARP, Pontiac 350-400, Stainless, Hex Head (SET) ooooo. Deck Height: 10. The KRE Warp-6 is the most recent offering in the canted-valve market for Pontiac V-8s. , , *, , , , , , , Firing Order. Get a stock 4lbb manifold and get a rebuilt Q-jet. The 400-455 is pump gas friendly for the mild daily driver. Free shipping. The heads will bolt to ALL traditional Pontiac blocks and do not require you to run any off-set lifters or rocker shaft systems. Most Pontiac "how to" books will have charts listing what compression you'll get with various heads. I would play to the pontiac engines strength, which is torque. See: HPP 4X Head. 2005 Pontiac GTO With the 400-horsepower LS2 high performance small-block V-8 at the ready, the Pontiac GTO show vehicle comes with decidedly more power. Pontiac 5C-8 Heads - $200 (calhoun) 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. Thanks again! Don't know why I didn't think to mention that in the post about SBC headers. See search results for this author. 77-inch valves. This stroker combination uses a 4. January 2, 2010 Engine. 75:1 compression engine is rated at 340 horsepower. Investing in high-quality aftermarket cylinder head fasteners is the best choice. For a built proof bottom end, we also use a 1 pc rear main seal no oil leaks here. For a while now, folks have been asking me to finish the page I did on this topic, on my website, but I figured a thread here would be easier to find, and seen more often. One of the best ones was the Pontiac 400. Start: 0-2 degrees 500 RPM. Heads do not require off-set lifters or rocker shaft systems (except 400 cfm. 080 i have cut the intake so it fits good but i mocked it up with the valley pan gasket and tightened the pan up. One pair of original GM #16 cylinder heads for 1968 Pontiac manual or auto trans GTO and Firebird 400. These heads are virgin and do not appear to. 77 exhaust valves heads in the 72cc combustion chambers ball park. Stock 389 Tri-Power. The Pontiac Performer D-Port head is made from A356 aluminum alloy, and will fit all 1962-'79 Pontiac V-8 blocks with a 4. Designed to fit the Ram Air IV style of Pontiac 400/428/455 cylinder heads, these bolt-on turbo headers are the perfect solution to any turbo header packaging concerns. When you purchase one of our Pontiac engines you are buying the finest turn-key drop in ready crate engine combinations in the world. Example: brake instead of ceramic brake. 87 for deck height volume) *blocks are assumed to have a. 250) so the ports and valves are slightly smaller than, say a decent Pontiac 400. The part that puzzles me is the 46 head had a 1. Performer Pontiac 87cc D-Port Cylinder Heads. In 1970 Pontiac increased the displacement in an attempt to make up for reduced compression required by new government regulations. Pontiac Heads 400. They are slightly undersquare (4. Pontiac had a 301 engine in the late 70s-early 80s, which is a Pontiac engine, and somewhat common to other Pontiac engines (326-350-389-400-428). However, Pontiac made two different 6X heads in '77. The eads flow between 260-270 cfm on the intake and approximately 210-220 on the exhaust. It has since been upgraded by Warren Frank of ARC Race Cars in New Oxford PA. 53 ratings. CR Compression ratio estimates based on a. 326, 350, 400, 428, 455. High insurance rates, emissions testing, oil shortages, and higher priced fuel sealed the fate of the glorious early 70s muscle cars. Dealership. Current KRE D Port Head Pricing. Weight: Aluminum heads weigh about 45 to 50 lbs. 2 days ago · This is a 1972 Pontiac long block that is an SR 481988. Improve your vehicle's performance with Trick Flow® by Stainless Works headers. (Stock, daily driver, street-strip, etc) The other columns to the right, contain the intake duration of a cam at. This perfect paring complements the high-flow characteristics of Trick Flow® cylinder heads and their other components, with high performance headers built to unleash torque, horsepower, and provide an awesome tone!. 001" to a gross of. If you like Pontiac's the 400 engine bock is the way to go. The Pontiac GTO's 389 cubic-inch V8 saw improvements in the guise of revised cylinder heads, high rise intakes, and a bump to 335 horsepower for the four-barrel equipped mill, and 360 for the. 351"x3,385" (110. Specify if A. #12 or #48 d port RA III heads were really only 9. See search results for this author. 5 hp vacuum cleaner motors), two graduated vertical manometers to measure atmospheric pressure, an incline manometer to measure actual airflow, and a velocity probe. Are you looking for Pontiac Heads 400? One of the best kept secrets to finding the best deals on Pontiac Heads 400 is buying off eBay. 65 rockers Edelbrock RPM intake Holley 750 carb jetted 74/84 This combo idles strong at 900 rpm and pulls 15# of vacuum. The table below will help you select the right camshaft for your Pontiac engine. Example: water pump. Block Casting: Original 1973 SD-455 block Preparation: De-burr, and bore. The 428 engines also had pistons with dished tops and value relief's in order to lower the compression so the 400 heads could be used. This is the first D port head on the market to incorporate the latest developments in cylinder head technology into it. Displacement ID's were cast in the side of the block starting with the 1968 428. CR Compression ratio estimates based on a. Edelbrock 61599 - Edelbrock Performer Cylinder Heads. Pontiac 1973-1974 Cylinder Heads; No "H" stamp on early 1973 heads. That's the way I'd go. These heads are virgin and do not appear to ever been touched. favorite this post Sep 3 1970 Pontiac GTO 455 HO Pontiac 400 V8 Engine - Needs Rebuild $350 (milpitas) pic hide this posting restore restore this posting. 7cc for head gasket, 2cc ring area, and 7. 5 DEGREE BRODIX PONTIAC HEADS. 1966 Pontiac 421 cylinder heads #092 with screw in 7/16" studs added. Brass freeze plug and oil galley kit installed. The Chevrolet small-block is by-far one of the most versatile V8 known to man. 389/421 Stock pushrods $25 a set. (6,554 cc), and 455 cu. BTW, if onovakind67 is reading, that 400 was built using the Chevy 509 block we got off you a few years back. The Pontiac 400 cubic inch motor (made between 1967 and 1979) is still a great platform for a high performance daily driver. low mileage untouched castings- never had a valve job or cut yet- no. 2 days ago · This is a 1972 Pontiac long block that is an SR 481988. 800 rods, bearings and rings $1350 - add $200 for balance, $100 to clearance - $1650 ready to install. favorite this post Aug 23 2007 Pontiac Grand Prix. This perfect paring complements the high-flow characteristics of Trick Flow® cylinder heads and their other components, with high performance headers built to unleash torque, horsepower, and provide an awesome tone!. A 428 was cast on the side of the block and in the lifter valley was a 28. The 350ci's cylinder heads were manufactured by the PMD (Pontiac Motor Division) but only from 1977 to 1980. 500 hp will be a challenge for a street engine. In the world of automotive one-upmanship, it's not unusual to find mega-displacement engines becoming almost commonplace. Therefore, what most people want is the popular 65 or 66 tripower to fit the improved and readily available 65 up heads. With this list,. Good example is the 70 455 same engine (carb, cam, heads, etc) was 360 hp in the GTO and 370 hp in the Grand Prix or non RA 400 350 hp in GTO, 345 in Firebird (everyone bent the throttle stop). , Chevy) or LS-series engines in our shop. This stroker combination uses a 4. will fit 350-389-400-421-428-455 Pontiac engines. Once again a new cylinder head casting number appeared, this time they were 5C and carried last year's 2. This pinnacle of the muscle car industry used a 400-hp LS2 6. This was a fraction of the cost of the fuel-injection system, or alternately, a pair of fussy and expensive four-barrel carburetors from Carter or Holley, and still allowed for a healthy markup. Block Casting: Original 389 block or equivalent 389 or 400 replacement. This is one of Doug's favorite builds. 250 cast Eagle crank and 6. 65 rockers Edelbrock RPM intake Holley 750 carb jetted 74/84 This combo idles strong at 900 rpm and pulls 15# of vacuum. Pontiac 400 428 455 Engine Codes — Patterson Coachworks. Shop 400 Chevy Small Block V8 Cylinder Heads and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. This head is available with initial flow numbers around 330 cfm. It offers complete sets containing bolts in the proper lengths required for original Pontiac D-port and round-port cylinder heads as well as the aftermarket Edelbrock offerings. My heads would remain stock with no milling/porting,etc, and i also ordered the TSP DOD delete with the LS7 lifters, question is, and i know people would say is better to check the size when installing the items. The '76 400 with stock 6X heads only has a 7. The rear-wheel GTO with a black leather interior could provide enough space for four people. Without a doubt they are the best bang for the buck heads. The 400 ci block is the only Chevrolet small-block that has the steam holes on the deck surface. The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. Known primarily for exhaust headers, engine mounts, carburetor spacers and adapters, and chrome and aluminum customizing accessories, these two pioneering companies have 1000's of components to help your GM, Ford or MOPAR car or truck run stronger and look cooler. 030 oversize, -. That's the way I'd go. Start: 0-2 degrees 500 RPM. 1972 Pontiac Grand Prix Parts & Accessories. Pontiac 5C-8 Heads - $200 (calhoun) 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. 57 + head cc (assuming 6cc for valve relief, 9. Like all PONTIAC engines since 1955, the firing order sets is: 1-8-4-3-6-5-7-2, all by turning it counterclockwise. 17 in Hg for full advance (which is 10 degrees) There were numbers for different flavors of Pontiac ignitions, but. High insurance rates, emissions testing, oil shortages, and higher priced fuel sealed the fate of the glorious early 70s muscle cars. These thick walled blocks are the best there is for 400 blocks. 77 vavles installed. The low rpm range is obviously softer, but Pontiac claims the. they should all be within a degree or two of timing and an inch or two. CC-1511917. After all, it's difficult to deny that big inches also mean big power. Since the Pontiac. The '66 Pontiac cylinder heads had an A. Powering this Pontiac is a numbers-matching HO 455-cubic-inch V8 engine modified with #64 HO heads, ram-air exhaust manifolds, an aluminum intake, and Edelbrock carburetor. See search results for this author. No stock rods in this engine we use only H-Beam rods. L-78 base 400 75-78 TA 400 autos ran 15's. , 7,488 cc) versions. We recently disassembled an excellent bone stock 1975 Pontiac 400 from a Trans-Am. 66 intake and exhaust valves. Current high performance street engines (aluminum heads, roller, etc. Valve lift has everything to do with seat angle. Kits available with compression ratios ranging from low to high, making it a good fit for many applications. Weight: Aluminum heads weigh about 45 to 50 lbs. 69-79 cast impeller rebuilt water pumps - GM PART # - $39 - Best for cooling. Starting at $12,995. 65:1 rocker arms; owner-ported 1972 7K3 D-port heads with. Designed utilizing the latest. Notice how close the Stage 1 valves and they almost touch, you can barely fit a dime between them. I heard Edelbrock is the best for Pontiac. 11" intake and 1. The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. In 1970 Pontiac increased the displacement in an attempt to make up for reduced compression required by new government regulations. 40 pushrods? But reading around, some people say 7. The date code is 4 digits. The only production Pontiac 400 V8s to have round-port heads were the Ram Air II 400 and Ram Air IV 400. The Pontiac Performer D-Port head is made from A356 aluminum alloy, and will fit all 1962-'79 Pontiac V-8 blocks with a 4. The KRE Aluminum D port Pontiac cylinder head has been on the market since 2004. 300 intakes, & 1. , 7,488 cc) versions. Very desirable hidden head lights that work as they should. While these engine versions are very popular, they also have many performance parts available for them which makes them easy to modify and get big horsepower gains. 1932 Flat-head V-8. Use the 68-70 heads, (cast with a big B or C in the top. So the big valve heads will fit, but the cylinders need chamfered at the top to clear the 2. 800 exhaust valves, Guides & seats included. On these heads it was cast too close to the center bolt hole, and the only way a normal head bolt with a hex head would clear the casting was to use a special bolt. Improve your vehicle's performance with Trick Flow® by Stainless Works headers. Re: Pontiac head flow numbers. Reverse Dome. 250 Stroke, Eagle 6. This iconic Pontiac muscle car is authenticated by its vin and PHS documentation and has been given "Judge" stripes that makes the dark green paint really pop as well as a Ram Air hood and the factory. Have the heads ported and get 2. Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. With its improved cylinder heads and their round exhaust ports, they’re easy to spot. 16 heads ('68 Firebird 400, GTO, Grand Prix, Bonneville, Catalina) - No. Gorgeous Liberty Blue 1969 Pontiac GTO convertible with dark blue bucket seat interior. Pontiac 5C-8 Heads - $200 (calhoun) 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. Date code on one head is C188 and the other is C148. PONT G5 - GRAND AM - PURSUIT - SUNFIRE (DOHC) ECHOTEC ENG. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. Designed to fit the Ram Air IV style of Pontiac 400/428/455 cylinder heads, these bolt-on turbo headers are the perfect solution to any turbo header packaging concerns. The 400-cid Pontiac V8 that bowed in 1967 Pontiacs was a bored-out version of the 389 and a new 428 was a bored-out 421. 800 lift, spring seats and 5 angle valve job. With its improved cylinder heads and their round exhaust ports, they're easy to spot. The series ended. 6L With Pontiac Engine With head: #60579 or #60599 ( Manufactured after 3. The 6x-8 heads are low compression heads, they will work good on a 400 engine if prepped properly, larger exhaust valves, port work, etc. If you have an 389, 421 or other early Pontiac which has screw in studs so be sure to verify they have 7/16" base threads. Pontiac Heads 400. GET IT SHIPPED Free Auto Shipping Quote: 1967 Pontiac Firebird 400 Convertible Customized. In 1968 the small journal was bored out to 400 cubic inches and included many performance options. Stock 389 Tri-Power. Join millions of people using Oodle to find unique used cars for sale, certified pre-owned car listings, and new car classifieds. With the 67cc heads and a. 2 ion vue rebuilt cylinder head 2002-08 2304aa casting : saturn 2. 53 ratings. I used premium with a lead substitute and octane booster at each fill up in my 1970 Pontiac Catalina with the V8 400. 800 exhaust valves, Guides & seats included. Selecting a Hydraulic Cam for your Pontiac Engine. Gorgeous Liberty Blue 1969 Pontiac GTO convertible with dark blue bucket seat interior. Because of the longer stroke, these kits will have more torque and balanced power than stock. Free shipping. Even with the original stretched timing chain, cam was found positioned at a 107 degree intake lobe centerline, also as specs call for. Set an NHRA National Record May 25th, 2002. Information about PMD heads is still being gathered. 1962 - 389 SD Code 544127. The test vehicle used in this series is a 1971 LeMans wagon powered by a relatively mild, moderate-rpm 455 running a Turbo 400 automatic with governor-controlled shifts (5,500 rpm); Edelbrock Performer RPM intake manifold; 800-cfm Rochester Quadrajet; 041 Pontiac-grind camshaft with Rhoads variable lifters and 1. 2 crates at 24x12x10" / 85lbs ea + 1 parcel at 12x12x12" / 20lbs Shipped from Canada Vancouver V5R 4B7. Jul 13, 2006 · This is a pump gas "friendly" combination. 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 rear-wheel GTO with a black leather interior could provide enough space for four people. The most powerful version of Pontiac's 400 to ever reach production was the Ram Air IV. Home » Engine & Components. Super Stock 1982 Firebird. Works well with large displacement stroker engines. The KRE Aluminum D port Pontiac cylinder head has been on the market since 2004. This is not a race car just a good street car. Finding better solutions to old sealing problems is what we do best. The Buick, Olds and Pontiac 455s are two completely different designs with no interchangeable parts (everything but the carb and the distributor cap). Ceramic coating recommended. Investing in high-quality aftermarket cylinder head fasteners is the best choice. In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. If you've ever thought about "stepping it up a notch", now's the time. ARP, Pontiac 350-400, Stainless, Hex Head (SET) ooooo. Scat Brand Stroker kits for your Pontiac | Forged Crank. Pontiac made closed chambered heads until 1967. Many Pontiac 350 cubic-inch engines exist, however, only a select few are the 350 high-output (HO) model. We were armed with a 400-cfm laminar flow element (powered by six 1. Q:: I have a 1967 Pontiac GTO with a 400-cubic-inch engine that originally came from a 1968 Grand Prix. The date code is 4 digits. Although the entire Pontiac line had V8 engine options starting in 1955, the best engines were produced in the 1960s. Without a doubt they are the best bang for the buck heads. The 400-455 is pump gas friendly for the mild daily driver. Good example is the 70 455 same engine (carb, cam, heads, etc) was 360 hp in the GTO and 370 hp in the Grand Prix or non RA 400 350 hp in GTO, 345 in Firebird (everyone bent the throttle stop). Brass freeze plug and oil galley kit installed. More special features of this engine include: New pistons. 250 cast Eagle crank and 6. The first column contains the intended use or application category. 77 vavles installed. The 400 ci block is the only Chevrolet small-block that has the steam holes on the deck surface. Heads courtesy of Dennis Wheeler. 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. Chrome valve covers and air cleaner lend a factory look while corporate turquoise engine enamel makes it stand out in the all-black engine bay. 00 a set Pontiac roller …. The 6x-8 heads are low compression heads, they will work good on a 400 engine if prepped properly, larger exhaust valves, port work, etc. I wouldn't spend a penny on any stock heads today. 6 compression ratio. (4,095 cc), Chevrolet-designed straight six and Pontiac's aging V8 in 350 cu. 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. What sets this engine apart in the history books is the factory-installed high-performance Ram Air systems. 2 days ago · This is a 1972 Pontiac long block that is an SR 481988. block#481988,500557, head#46, 4X, 6X, 5C,4H farmer head ;) crank#2 1/2" centering ring $2,290 $500. *** Complete heads come with 1200 series Ferrea valves, Titanium retainers, 10 degree locks, PC seals, Solid roller springs for. The quickest GT/DA traditional Pontiac powered Super Stocker in 2002. I ordered this cam today, and ordered it with 7. engine and Muncie 4 speed transmission. It has a 1970 400 Ram Air III with original 1967 Ram Air I Heads It has Royal Purple Engine oil This is a newly rebuilt motor. To address this problem BOP Engineering has designed a rear main seal for the traditional Pontiac V-8's. The 400 also has the 400 on the side and 00 in the lifter valley, but not until 1971. L2359 forged pistons 30 over,6x heads just redone, ati super damper, rebuilt 750 holley, new hei distributor, unknown cam specs, jegs high torque mini starter, edelbrock performer intake, holley 750 and brand new Butler performance drop base air cleaner, correct motor mounts for block and. It's best to use a aftermarket aluminum head or reduce your compression by using a factory 400" Pontiac Iron head like a 1971 # 96, or 1972 7K3, both at 96 cc's. Pontiac steel heads are completely reconditioned with. The eads flow between 260-270 cfm on the intake and approximately 210-220 on the exhaust. favorite this post Sep 3 1970 Pontiac GTO 455 HO Pontiac 400 V8 Engine - Needs Rebuild $350 (milpitas) pic hide this posting restore restore this posting. The 318 engine is absolutely the best all-around small block Mopar, in my opinion. 17 in Hg for full advance (which is 10 degrees) There were numbers for different flavors of Pontiac ignitions, but. This head is available with initial flow numbers around 330 cfm. Pepper Green 1970 Pontiac GTO convertible powered by a 400 c. Selecting a Hydraulic Cam for your Pontiac Engine. This listing is for one pair of the famous 1967 #670 closed chamber cylinder heads in very good general condition as seen. The price for crating each head is $20 USD The valves and other parts if included are shipped in a separate parcel. Filthy Rich places bets on the '69 Pontiac 400 engine dyno with their tried and tested Holley 650 vs our Edelbrock 750! Watch more of this series: https://de. In 1969, it produced 370 horsepower in GTO trim and 345 horsepower in the smaller Firebird, making it the most powerful Pontiac pony car for decades. 66 inches-this is what our test heads have, and it's the same as Pontiac used on later factory heads. On my '72 Leman's 455, I run a 7K3 set of heads (off a 400). I am finishing a 400 pontiac the heads have been cut. These heads are shipped UPS shrinkwrapped and sprayfoamed into dimensional lumber crates. This is the first D port head on the market to incorporate the latest developments in cylinder head technology into it. It has since been upgraded by Warren Frank of ARC Race Cars in New Oxford PA. PONT SOLICE - (DOHC) ECHOTEC ENG. They feature -4 AN male threads and include O-rings and stainless steel bolts. The 6X head was installed on the 350, 400 and 455 Engines during the mid to late 70's. They feature the standard Pontiac exhaust arrangement; Saving you lots of money not having to buy a set of round port headers. New Vintage AC with custom built aluminum radiator with dual cooling fans. In our last issue, we began our foray into the world of airflow, as. 250 Stroke, Eagle 6. I wouldn't spend a penny on any stock heads today. 77" exhaust valves. PONT G5 - GRAND AM - PURSUIT - SUNFIRE (DOHC) ECHOTEC ENG. injection passage cast in them. 6L/400 Headers Shorty Header Style and get Free Shipping on Orders Over $99 at Summit Racing!. The 400 also has the 400 on the side and 00 in the lifter valley, but not until 1971. Collectors are required for each manifold. We were armed with a 400-cfm laminar flow element (powered by six 1. 40 pushrods? But reading around, some people say 7. 500 lb ft of torque is doable. 13 heads ('70 Trans Am, Firebird Formula, and GTO with the Ram Air III engine, automatic transmission) - No. PONT SOLICE - (DOHC) ECHOTEC ENG. 53 ratings. favorite this post Aug 24 PONTIAC GTO PARTS 1964 1965 HURST MUNCIE $25 ( ) pic hide this posting restore restore this posting. Don't miss what's happening in your neighborhood. Your Pontiac Firebird is a classic and sleek performance vehicle that turns heads wherever you drive. Kits available with compression ratios ranging from low to high, making it a good fit for many applications. Pontiac 461ci Street Heat Crate Engine 100% CNC Race Prepped Dead On 400 Block with a Finished Bore of. Powering this Pontiac is a numbers-matching HO 455-cubic-inch V8 engine modified with #64 HO heads, ram-air exhaust manifolds, an aluminum intake, and Edelbrock carburetor. With its improved cylinder heads and their round exhaust ports, they’re easy to spot. Stock 389 Tri-Power. The only production Pontiac 400 V8s to have round-port heads were the Ram Air II 400 and Ram Air IV 400. Look at the RPM heads and RPM intake manifold. Additional rumble and performance is provided by a dual exhaust. They feature optimized oil return passages for increased oil flow. Cylinder Head, Performer, Aluminum, Assembled, 72cc Chamber, 204cc Intake Runner, D. Identifying Pontiac cylinder heads is also a fairly straightforward procedure. 66 inches-this is what our test heads have, and it's the same as Pontiac used on later factory heads. Improve your vehicle's performance with Trick Flow® by Stainless Works headers. Rebuild it with budget forged rods, Autotech pistons with the metric ring pack, Summit 2801 or 2802 cam. BTW, if onovakind67 is reading, that 400 was built using the Chevy 509 block we got off you a few years back. The Buick, Olds and Pontiac 455s are two completely different designs with no interchangeable parts (everything but the carb and the distributor cap). We use cookies to ensure that we give you the best experience on our website. 400 stroker assembly. Current KRE D Port Head Pricing. GTO,TRANS AM,RACE CAR,PUMP GAS,TURBO. The 400 ci block is the only Chevrolet small-block that has the steam holes on the deck surface. No stock rods in this engine we use only Eagle connecting rods. Pontiac V8 215 Tempest 1961-62. Performer Pontiac 87cc D-Port Cylinder Heads. 1968 - 400 Ram Air I and 428HO Code 37" Ram Air I and. 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. 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. 351"x3,385" (110. The first column contains the intended use or application category. I heard Edelbrock is the best for Pontiac. Start: 0-2 degrees 500 RPM. Give Steve a call and he will be happy to help design something just for you 800-267-3940. Track Price Check Availability. The absolute best Pontiac. 6X heads ('76 Pontiacs with the 455 engine). It is a flat hydraulic camshaft with great sound and fantastic performance. The early 80s was not such a sweet time for gear heads as the muscle car had just met an untimely (and unfair!) end. Hi heat alloy aluminum. Eagle 51500 Pontiac 400/461 Competition Rotating Assembly 10. Pontiac had had an innovative overhead-cam six in the late sixties, but it was canceled after 1969, leaving a big 250 cu. The 6X head is a mid-70s head and has this extra port. Reverse Dome. 66 intake and exhaust valves. This cadmium plated tray is constructed of 17-gauge steel (thicker than the stock) with strategically placed oil drain holes for better oil return. Intermediate: 5-7 degrees 1000 RPM. Filter Results Filter by Vehicle Individual Parts; Part Groups; Results 1 - 15 of 15 25 Records Per Page Default Sort. 045 400 block) 4. Pontiac 1973-1974 Cylinder Heads; No "H" stamp on early 1973 heads. About Us ORDER LINE (760) 361-3242 Contact Us. pump, Specify head #. The Camshaft Comparison. Current KRE D Port Head Pricing. , 5,798 cc), 400 cu. 1968 68 Pontiac Gto Firebird 400 428 Auto Manual Transmission #16 Ram Air Heads. The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. The KRE Aluminum D port Pontiac cylinder head has been on the market since 2004. In 1967 Pontiac made some open chamber heads(i. 1 Mahle Flat Top Pistons. No porting or milling of surfaces. Best 400" E. 1932 Flat-head V-8. 65 ratio (with all new rocker balls and nuts) Engine will be assembled with all new bolts. I definitely have my hands full. See search results for this author. To Place Your Order. These were better breathing than earlier heads, and had 2. The Chevrolet small-block is by-far one of the most versatile V8 known to man. Cylinder Heads - Aluminum D-port. GET IT SHIPPED Free Auto Shipping Quote: 1967 Pontiac Firebird 400 Convertible Customized. 235, 56-62, 55 2nd series Chevrolet 6 cyl. The heads will bolt to ALL traditional Pontiac blocks and do not require you to run any off-set lifters or rocker shaft systems. 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. Only 1 left in stock - order soon. (2) 2 product ratings - 1964-66 Pontiac Factory D Port Cylinder Head Bolts Bolt Set 400 455 Tri Power. I'm into pontiac's pretty heavy and that is the best cam I've ever run. Featuring a Pontiac 400 cubic inch block stroked to 455 cubic inches, this authentic Pontiac stroker is perfect for street and strip use. The 6X-4 heads were on the 200HP 400s with a 8. Using highly efficient port designs and state-of-the-art combustion chamber shapes, Edelbrock cylinder heads offer improved performance throughout the rpm range for great throttle response and top-end horsepower. 051" gasket you're at about 8. NOS and NORS copper asbestos, steel asbestos, beaded steel and corbestos head and manifold gaskets may also be available in our inventory. Free shipping. The KRE Warp-6 is the most recent offering in the canted-valve market for Pontiac V-8s. The extra cubes were added to mask the fact that Tri-Power options were no longer offered. The SuperChief is here Over 400 cfm flow potential New price blowout. We were armed with a 400-cfm laminar flow element (powered by six 1. 500 hp is a pretty stout 400 cid pontiac motor. 99 Fuel Line, Fuel Pump to Carburetor, 1967 Pontiac w/ 4BBL AFB. The eads flow between 260-270 cfm on the intake and approximately 210-220 on the exhaust. 45 + head cc (this is assuming 6cc for valve relief, 9. 06-inch or larger bore diameter. The fittings are black anodized billet aluminum and attach to the corners of your GM LS cylinder heads. Also used in HO applications, Pontiac and GP 400/428 engines. Pontiac Windage Tray. The early 80s was not such a sweet time for gear heads as the muscle car had just met an untimely (and unfair!) end. Filter Results Filter by Vehicle Individual Parts; Part Groups; Results 1 - 15 of 15 25 Records Per Page Default Sort. We have a massive inventory of production Pontiac heads to suit all your restoration and drag racing needs. Both heads have the same casting number. Free shipping. Information about PMD heads is still being gathered. 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. Improve your vehicle's performance with Trick Flow® by Stainless Works headers. Howards Cams, American Muscle Hydraulic Flat Tappet Camshaft, Pontiac V8, 200/210 @. The first was the Ram Air III, which was a 400 cid V-8 with big-valve D-port heads, cast iron intake, and high-flow exhaust manifolds. Because of the longer stroke, these kits will have more torque and balanced power than stock. 22 Quick View Add to cart. $350 - $400 (7) $400 - $450 (6) invest in a new engine cylinder head for Pontiac Sunfire from AutoZone. Valve lift has everything to do with seat angle. 50" exhaust. "A correctly coded 1967 Firebird 400 block and cylinder heads were sourced from Ron Rocchi. Apr 30, 2005 #5. It offers complete sets containing bolts in the proper lengths required for original Pontiac D-port and round-port cylinder heads as well as the aftermarket Edelbrock offerings. All the above information was taken from Pete McCarthy's "Pontiac Musclecar Performance" book. 2005 Pontiac GTO With the 400-horsepower LS2 high performance small-block V-8 at the ready, the Pontiac GTO show vehicle comes with decidedly more power. Pontiac 461ci Street Heat Crate Engine. Sunfire cylinder heads work with the head gasket to seal off the cylinders and form a combustion chamber. This PHS documented real GTO is powered by a detailed and smooth running 400 c. 77-inch valves. The engine featured a cast iron block and head and 2 valves per cylinder. It's best to use a aftermarket aluminum head or reduce your compression by using a factory 400" Pontiac Iron head like a 1971 # 96, or 1972 7K3, both at 96 cc's. Get Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from Speedmaster! Other Shops Sell Ported 240CFM Iron Heads for $1995. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. You will never see corporate (i. ) '71 and later heads were not so good, with lower compression and thinner castings. They feature the standard Pontiac exhaust arrangement; Saving you lots of money not having to buy a set of round port headers. 66 intake and exhaust valves. will fit 350-389-400-421-428-455 Pontiac engines. 250 cast Eagle crank and 6. Since the Pontiac. If you've ever thought about "stepping it up a notch", now's the time. Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. Pontiac estimates that about 200 pairs of 400-ci cylinder heads were produced at the time, and they remain very rare and quite valuable. Click Here for Edelbrock Aluminum Head Installation Sheet PONTIAC HEAD CHART CASTING NUMBER YEAR FACTORY APPLICATION CHAMBER VOL# CC'S EXHAUST PORT NOTEWORTHY ATTRIBUTES 528511 1958 370 62 D-Port 1. The Camshaft Comparison. Pontiac Cylinder Head ID Numbers. BTW, if onovakind67 is reading, that 400 was built using the Chevy 509 block we got off you a few years back. Pontiac V8 326-389-421 1961-67. Rebuild it with budget forged rods, Autotech pistons with the metric ring pack, Summit 2801 or 2802 cam. I know this is a Camaro site, but the Firebirds and Trans Ams are sister cars to our cars. 4l: saturn 2. Here are some helpful search tips: Search by a part name. Fits 68-79 GM A-body; 70 1/2-81 F-Body; 69-77 G-Body, 69-81 B-Body with these heads: RA II, RA IV, 455 HO, 455 SD, Edelbrock heads. Comp Cams 12-602-4 is the best cam for a Pontiac 400 available on the market. Pontiac motors respond to a correct combination of parts. Welcome to the DCI Motorsports Store! DCI Specialty Parts Parts and cars available from DCI Motorsports: Pontiac Flowtech Headers Starting at $335. 389/421 Stock pushrods $25 a set.