Pontiac heads. Working on a set of molested 400 pontiac heads.

Pontiac heads Then we add Howard's Hydraulic Roller Valve Springs and Retainers and Comp Cams 10-degree valve locks, Speedmaster guide plates and ARP rocker studs for an unbeatable combination of Does anyone have any hard facts on the 094 heads. Sellers with highest buyer ratings; Returns, money back; Ships in a business day with tracking; Learn More Top Rated Plus. 550" ) as any other high comp D port heads from The only other Pontiac heads to have straight rocker studs and adjustable valvetrains were the '60 -'63 389 & 421 SD D-port heads and '69 RAV 400 & 303 tunnel-port heads, all of them used solid-lifter cams. Really this means you only need to CC one chamber if you have a way to accurately check chamber The pushrod pinch in the intake port is the biggest bottleneck for making big horsepower with a Pontiac. The stock style valves don’t have enough tip height, +. Shop Unported Cylinder Heads Shop All » D-Port Cylinder Heads; Rd-Port Cylinder Heads ; Bare Castings Round and D-Port; View All » Head Builder Series Kits; Head Upgrade and CNC Porting Services; All Pontiac/Tiger Cylinder Heads Pontiac Cast Iron Cylinder Heads and Services 455 7m5 heads Pontiac - Street. There are two problems with them - the biggest one for a mild street performance application being that not only are they missing the end bolt holes on the exhaust flange, the material that's normally there that you could simply drill & tap on other SW heads have extra cooling provision in the center of the intake flange. Returns; Ordering & Delivery; Payments & Financing; International Shipping; Request Price Match; Contact Us; Builders; Home » Catalog » Valvetrain Components » Valves » Edelbrock I have been porting a set of pontiac heads and I'm looking to hear some thoughts on what I've done so far, and for some suggestions for seat angles or back cuts on the valves. it occurs inside Pontiac cylinder heads. 500" lift. Every manifold I've installed has had to be milled . Jump to Latest 3. Generally, uncut Pontiac heads can be milled at least 0. 55 Gallon Barrels at Kla Mart. $160. Years ago I tried to determine how Pontiac was able to advertise the 421HO engine with the same 10. The RAIV uses unique 1. 100” off the spring pad of many different casting number Pontiac heads without issue. Shop 400 Pontiac Aluminum Heads at Speedway Motors The heads are SBC Pontiac Heads. 7%. Pontiac used low lift cams, just over 0. Elk Grove Chevy Trailblazer SS Intake Manifold Cathedral Port LS TB SS I’ve cut up to . Find top brands, exclusive offers, and unbeatable prices on eBay. The 427 casting Pontiac Big chief heads have the intake ports side by side like a stock bbc, the 385 casting is referred to as spread port heads. 95. Save Share Reply Quote Like. 23 shipping. $390. THe 385 casting has the same intake spacing as the current big chief/duke heads. I do know that Pontiac heads can vary from the factory specs, and the factory specified "compression ratio" especially was always misstated by quite a bit, but the difference you're finding does seem to be This head is available with initial flow numbers around 330 cfm! All heads have CNC chambers and are capable of flowing 400 cfm. Intake Manifold: Stock style intake like Victor, Gustram and Polar Wind: Intake Lifters: Qty 8 @ . They are designed for 1962-79 389, 400, 421, 428 and 455 cid V8 Pontiac engines with a 4. You would think that in these cold winter months there would be some “down time” at Kauffman Racing Equipment. Valves were S. 3 mid way Those are big car Pontiac heads off 455/360hp. 1968 Pontiac # 16 cylinder heads. Edelbrock 61599 72cc CNC D-Port Aluminum Heads. My Garage. Here comes the NEW KRE Super Wedge Pontiac Cylinder head! You would think that in these cold winter months there would be some “down time” at Kauffman Racing Equipment. 71 valves in the heads,seats have been roughed in with a 90% cut going into the bowl about . 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. 600 valve job by M&M Porting Service 5/16 - 11/32 bronze valve guides Angle milled to 52cc chambers - 21. The first 2. 5 compression . There are some Valve lift has everything to do with seat angle. 00 shipping . partstrader69 (837) 95. When he had the mopar deal, it was mentioned a number of times how he dropped the B1/TS heads for "his" Pontiac heads. Howards Hyd Cam RAIV108 231/241@. In our last issue, we began our foray into the world of airflow, as. starcrossedmoongazer (8,739) 99. 145 bore 4. Description: Pontiac Rocker Arm Stud 7/16 X 7/16 1. These heads have completely CNC ported intake and exhaust runners, so they are much more consistent port to port and head to head than any other "wide port" or "high flow" Pontiac cylinder heads on the market. 850 rod with dished piston. $6,000. 6:1 compression. In 1997 we built a 432 with Dart RR heads ,which were patterened after the 867,At 10. Sponsored. 935 (Set) Direct replacement for Edelbrock Pontiac Aluminum Heads Item #: BPI-1022-EDL-16. Remember that higher compression/ boost require a colder heat range sparkplug. 9%. $92. The intake ports are just about 2 ¾” tall and 1 ¾” wide. Condition is "Used". This guide will explore five distinct Pontiac cylinder heads to help you understand their features, applications, and how they contribute to engine Find PONTIAC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Find PONTIAC Pontiac V8 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! 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 $1950. Well if your going to push the compression ratio of your building a bit, there closed chamber is less likely to make for ping and knock conditions, there just a little more on the dirty side emissions wise in comparison to the 68 and up open chamber heads. barrels. 00. They will also help keep your compression ratio in the realm of pump gas. This means that a valve job done with the right angles to bring the OD of the Intake seat out to within . They are set up for use with a hydraulic flat tappet cam and have the new 72cc CNC machined Speedmaster CNC Ported Aluminum Pontiac RAIV Style Heads Complete. Whats the difference between 670 and 143 heads? Now, your 140 casting heads are not original to your 65, the 140 casting came fitted on the early 1967 250 hp 326 cid motor and are stated to produce a 9. Crafted with precision and expertise, this cylinder head meets or exceeds OEM specifications, making it a reliable Pontiac Heads; Pontiac Engine Torque Specs; Pontiac Cars (Body Types) Pontiac Engine Information; Instruction Sheets; Compression Calculator; Ask a Tech Question; Customer Service. 500 ft lbs at 2800 from factory. They have Pontiac cast into the castings, are aluminum as my title indicates and also have the 10033867 numbers cast next to where the rocker arms are inside the valve cover area. 77" exhaust. We’re always ready to ship 400 Pontiac Performance Heads to your shop, so you can get your project on the road faster. Call for a cylinder head combo to fit your needs. These heads are available in three heart shaped For a cast head, any of the round port ram air heads are superior (but will cost you around twice what the aluminum heads do). Learn about the different types and features of Pontiac V8 cylinder heads from 1955 to 1976. The KRE Aluminum D port Pontiac cylinder head has been on the market since 2004. At rebuild we changed to mech roller and made 681HP. 00 1 - Pair Heads 6X F176 0276 GM2 and GM3, $375. $3,097. DEALS. $20. You have probably dreamed about owning the most rare and highest performance cylinder heads Pontiac Motor Division Shop Cylinder Heads for 1969 Pontiac Firebird with eBay Guaranteed Fit. Pontiac engineers designed them for a smaller cube motor. Pontiac Cylinder Head Type. Pair of OEM 1973-74 Pontiac 400-455, 4X-4H Cylinder Heads 4X-4H (I103) (I143) Complete top end packages to build more horsepower and torque for your Pontiac. PontiacJim. All of the info I see on these calls it an "over the counter" race head with a 15 degree "roll over". The ports are all pretty much the same on large-valve D-port heads so the big thing to worry about is combustion chamber size and whether the Speedmaster CNC Ported Aluminum Pontiac RAIV Style Heads Complete. 250 and I've ported from there on. Claremore, OK. Not only have we reproduced this legend in aluminum we also put it on steroids. 10033867 Pontiac Motorsports Head This aluminum head for small-block V8s offers a substantial increase in both airflow and horsepower with minimal preparation. 060" to . Made of heavy wall, American Made stainless steel pipe, these modular log manifolds can handle the heat and This head is available with initial flow numbers around 330 cfm! All heads have CNC chambers and are capable of flowing 400 cfm. If you have any other questions please feel free to ask. REWARDS. Edelbrock 61575 87cc CNC D-Port Aluminum Heads. 4. Butler Performance - Specializing in Pontiac Engines Heads and Performance Parts or KRE at Kauffman Racing Equipment I bought my SS valves from KRE and they were $88 a set. e. 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. 065" to sit properly and align the ports. DCI Ram Air 5 Heads As Cast Bare Pair. x 750" reach, 5/8 hex, gasket seat sparkplugs like NGK R5671A-7, Autolite 3924, Champion RC12YC, etc. 100" intake valves and 1. 67 out of 5 stars This head was installed on all the 400s and 428s except the RAI and RAII engines. All BPI heads have polished chambers and the pushrod holes are slotted for 1. $183. 00 1 - Pair Heads 5C A105 GM5 and GM6, $375. We've taken the guesswork out and includes everything you need to swap those old factory heads, cam, intake, lifters and more. 070" smaller then the OD of the valve used. Opens in a new window or tab. Listed as a 96cc head, the ones I have come across start life about 103cc's and are still about 101cc's after a light cleanup mill. O. These heads have screw in studs and factory guide plates. Des Plaines Oldsmobile Big Block C Heads. 1967 was a transition year where both open and closed chamber heads were offered, as well as both 20 and 14 degree valve angle heads. they told me the heads need new valve seats as they are worn. $0. I. 006" in depth from chamber to chamber then all of the chambers will be within 1 CC of each other. 979. Warren, OH. Exhaust Crossover Port Matchings; With Head: And Manifold: Use Gasket: 1965-71: 1965-71: 1965-71: 1965-71: 1972-79: 1972-79: 1972-79: 1972-79: 1972-79: 1972-79 : 1965-71: 1965-71** Yesterday I looked-up the last pair of Pontiac heads I used on a customer engine with a high performance valve job; which worked very well with . TRACK ORDER. Mine is still "under" the 500 inches, but uses the Pontiac heads, BUT has been changed over to a cast single DART Intake. 65:1 stamped steel rockers for . $20 $25. $212. These head numbers represented chamber sizes. Free local pickup. However, an engine with aluminum heads can tolerate about a point more compression than an iron head engine. 17 heads have a smaller port than other Pontiac heads available. Massive selection from top brands on eBay. The 96's already have the 1. In 1967 Pontiac made some open chamber heads(i. Great deals. 16 head In late 1967 the #16 open chamber head was released and it replaced the #670 heads Ram-Air 1- H. or Best Offer. 08 1. Returns; Ordering & Delivery; Payments & Financing; International Shipping; Request Price Match; Contact Us; Builders; Home » Catalog » Cylinder Heads / Top End Kits » All i've been doing the Pontiac thing since 93 & this is the first i heard about a 23 degree 434 head? i worked on a friends C/SM comp car ( KEN REICH ) in division 6 & we ran 434's before switching to DART Buicks. I've had 6x-8s on several Pontiac big cars, they are good heads but nothing special. In 1975 Pontiac started stamping extra numbers (1/4" tall) on their heads. They also feature high-quality lightweight valve springs and heavy-duty hardware for maximum lift and maintain the stock Heads can also be milled to increase the compression ratio. After years of research and development we are excited to introduce to you, the finest We have cylinder head packages for any application, from 7-second racecars to 8 & 9-second street cars and even daily drivers. 06-inch or larger bore diameter. Learn. 66", respectively), so the only difference between 6X heads that came on 455's and 400's would be the combustion chamber size. Call 800. The #61025 Performer RPM head has improved accommodation for a factory-style mechanical fuel pump with spark plug locations moved slightly towards the exhaust valve for optimized All 6X heads came with the same size intake and exhaust valves (2. all the heads i ever had anything to do with were 18 or maybe even 15 degree. 67 out of 5 stars For the ultimate in performance, our E-CNC cylinder heads are the answer. Intake was a raised runner Edelbrock Victor GN. With Pontiac providing the necessary direction and R&D funding, design work began in earnest. 00 1 - Pair Heads 6X C115 and C125 Gm4 and GM2, $375. Some guys like SR blocks as I I have a pair of Pontiac heads for sale. 8- 98cc's. Butler Performance is Most likely your '67 heads are casting # 670, which are 72 cc and have one of the best flowing intake ports of any Pontiac head. Re: Pontiac Heads # 10045449 The Jesel rockers for the Pontiacs are specific. Pontiac redesigned the head by raising the intake ports so the Unported Cylinder Heads. 67 out of 5 stars PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 143 HEADS Reply Thread Tools: Display Modes #1 04-20-2011, 09:21 PM ITSBACK. The SR block is of less value to me personally. i have a 1975 pontiac 400 that i put 62 pontiac heads on and now it has a ton of blow by was never sure if the 62 heads did that to the engine now i have a 1976 The Chevy Big Block’s Performance Heads have very large Intake runners with rectangular-shaped ports. Cylinder Head, Performer RPM, Aluminum, Assembled, 72cc Chamber, 215cc Intake Runner, Pontiac, 389-455, Each. 1974 46 heads milled. They are good torque heads and should be 87cc. 25 to 1 434 CID small block with some 867 Pontiac heads that were originally done at Leo Jackson Motorsports (Harry Gant/Skoal Bandit). Will not ship 7K3 are 1972 400-4bbl heads, used on all 4-bbl applications that year. 00 Call for other parts White Lightnin' wrote:To clarify my previous statement, the Brodix "Pontiac" version of heads I have seen that are straight-out-of-the-box, unmolested heads do have siamesed intake ports, not spreadports. After 1967 the heads were open chamber heads. 29 watchers. 650" valve lift. 050 . Thanks. I picked up a pair of #47 heads for $75 from a running motor for my 350. 125 - 1. Local pick up only. Most Pontiac factory cams were dual pattern, with at least 10° more exhaust duration than intake duration. what did the winston cup guys do tot he heads back then i dont know too much about the heads right at this moment i know brodiax did some work on them. Most all the normal Pontiac heads flowed about 195 - 200 cfm ( except the RAM AIR with round port exhaust), the 6x will come in around 210-215 cfm @ . 470/. 050” locks cut it close. 6 Months Warranty! Pre-Owned · Buick On the Dyno Iron D-portsThe 455 mule was assembled with the 7K3 heads using Corteco gaskets and stock Pontiac head bolts. However, the passenger side has the 093 head stamp but the driver side head has a 092 stamped on it. I noticed that even with a . 005 inch removed from the cylinder head deck surface decreases the chamber volume about 1 cc on '67-and-later open chamber heads. Valve info, chamber size. 250" angle-milled and intake ports were 238 cc's with 2. If you are a Pontiac enthusiast and love Pontiac’s. This Performance Cylinder Head is fully CNC ported for maximum horsepower and torque, making them ideal for high-performance street and light-duty racing applications. The push rod pinch measures 2. Welcome Guest My Account Order Status Wishlist (866)762-7527. With the original pistons 0. A forum community dedicated to Pontiac GTO owners and enthusiasts. 1970 ram air III. These Edelbrock #61599 Performer D-Port CNC Cylinder Heads for 1962-79 389-455 c. com Butler Performance - Specializing in Pontiac Engines Heads and Performance Parts or KRE at Kauffman Racing Equipment I bought my SS valves from KRE and they were $88 a set. It has what appears to be triple valve springs, titanium retainers, and either SS or some weird 670's have been very popular for performance builds for years because even though they need more timing, they flow as good if not better than any other Pontiac D-port head. Come join the discussion about performance, modifications, troubleshooting, maintenance, history, and more! 142's should be 1967 heads, and in 67 Pontiac changed the center to center valve spacing on all the heads specifically to accommodate the larger 2. They obviously need rebuilt. So, rather than hold up production, waiting on a set of #62 heads, they may have used some left over #16 heads on a few engines. 1965 65 PONTIAC 389 421 CYLINDER HEADS # 9778776. Garden & Outdoor. 80. Edelbrock E-Series Head Bolt Kits 85492. ARP 190-3607 Head Bolt Kit Black for I received some Edelbrock / Pontiac heads to be used in an engine rebuild project. With the heads and intake taken car of, Andy set the valve lash at 0. So the 72cc Edelbrock heads may be acceptable as the motor will tune like a 9:1 enginecompression/timing REBUILT GM 25518445 Cylinder Head Chevy Pontiac Oldsmobile Buick 231 3. . 7- 98cc's. I've search various websites and keep getting different numbers. 670 heads on a 461 with "flat top" pistons is going to put you well over 11:1 static compression, which in my opinion is WAY too much for pump gas with iron heads and very Performer Pontiac D-Port heads utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. 60 exhaust valves. There was an article that went into all the welding/machining that went into the regular GM heads prior to the new Pontiac head. I have a set of the 385 castings for sale if your interested. This head is NOT a modified KRE aluminum D port, this is a completely different head/casting The. I would buy a set of #16 heads. Ultimate. buck SW heads have extra cooling provision in the center of the intake flange. ARP Head Bolt Kit Speedmaster and Edelbrock Mfg after 3/15/02. Shop now for fast shipping and easy returns! That is EXTREMELY expensive for a set of push in stud heads. 5 hp vacuum cleaner motors), two graduated vertical manometers to measure atmospheric pressure, an incline manometer to measure actual airflow, and a velocity probe. 5* Ported by M&M Porting Service 325cfm @ . 75 cr with the same 9770716 heads, all else being equal, the cr should have been lower for the 389 applications. This aluminum cylinder head supersedes the 60515 Olds head and features a redesigned 77cc combustion chamber, larger intake valves and refined bowl blending for improved flow. I've got a 2. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. GIFT CARDS. I know of an Edel head for a Pontiac that had the intake converted to a 30* seat from the as delivered 45* seat. The RA I heads were "37". "Sir, we only offer one kit for the Pontiac V6 head and its part number is KCS-01717 and the list price is $850. Top Rated Plus. HEAD BOLTS / STUDS Our Pontiac heads utilize standard Ram Air Iv head bolts or studs. Edelbrock Performer RPM Cylinder Heads 60599. 1968 1969 Pontiac 400 Head GTO D Port 340 HP 4 Barrel GTO Lemans Tempest Sport (For: More than one vehicle) Opens in a new window or tab. 00 1 - BB Crank Arma Steel 977382, $225. Been a dedicated reader for a while know, decided it was time to join. Humboldt Park 1964-74 GM Pontiac Oldsmobile Chevy Parts. 625" valves. 180 offset: Exhaust Lifters: Qty 8 @ on-center: The block should have the 093 heads on it since it is the 360 HP engine. Find many great new & used options and get the best deals for Pontiac Cylinder heads #46 GTO Lemans Firebird original at the best online prices at eBay! Free shipping for many products! pontiac heads. We were armed with a 400-cfm laminar flow element (powered by six 1. Location: NEW JERSEY. Makes for a combo on a 455+ cube that will spin a tire but falls on its face quickly due to port choke. Pontiac PARTS Check pictures in this AD numbers are show 2 - 350 Blocks, $375. 66 exhaust valves. Look at pics. It had substantially more flow at lower lifts [ eg, 164 v 139 i got a set of the 434 pontiac heads from a friend that got the from rusty wallaces shop when he ran pontiacs. 77 valves. The NEW fully canted valve aluminum Warp 6 Pontiac Cylinder Head is NOW available! Our first War Chief series of cylinder heads! It's finally here. The area above the two center exhaust ports was a popular location for the casting numbers. Location is approximate. Dewey, OK . So it is unlikely to be a RA I head. 517" lift with the factory '041' cam (will take a pic of them later after I dig them Speedmaster As Cast Aluminum Pontiac RAIV Style Heads Complete. Post by Soukie » Thu Jan 18, 2007 11:30 pm. 4- 91cc's. Just need screw in studs if using for high perf. see also. ARP Head Stud Kit Speedmaster and Edelbrock Mfg after 3/15/02. Shop Cylinder Heads for 1971 Pontiac GTO with eBay Guaranteed Fit. Another bad deal about the 7M5's, those heads are only drilled/tapped for 4 (four) exhaust manifold bolts making headers pretty much un-do-able. d. 455 heads included. 96/1. 9- Edelbrock Aluminum Heads- D-Port vs. Not a good combo for . Ultimate Warrior : Join Date: Jan 2008. Remanufactured. The 670 is also an excellent head for making power, if you are running a high compression build. 3 sqin , 2. 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. I'm not sure of the scrap value, but I'd sell my 9773345 heads for scrap value to any Pontiac hobbyist that wanted to use them. Butler Performance's CNC wide port Edelbrock heads are some of the best flowing Pontiac heads available today. Shaft Rocker System (required) T&D/KRE: Spark Plug: Auto Parts For Sale "pontiac heads" in Chicago. milwaukee Oldsmobile C Heads. Message. BMR @ Facebook. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. I've been doing a lot of research on 400 builds since I just bought one. They were casting number 216 from a 1968 - 428 engine; 2. 77" big-valve street heads were offered in There are several different versions of the 4X head, just as there are several different versions of the 6X head. BP builds high tech engines and performance parts for later model muscle cars as well covering all your performance needs for Pontiac and LS engines. This number was usually the casting number, or a portion thereof. This is the first D port head on the market to incorporate the latest developments in cylinder head technology into it. Chevy only installed these heads on their high-output performance engines. Find out how to identify and match Pontiac V8 cylinder heads by code number, chamber size, valve diameter and length, and year. 750 reach, extended tip spark plug, the plud is still way back up into the threads of the chamber. has brought back the ultimate, ultra rare, holy grail of Pontiac’s: The legendary Ram Air 5 cylinder head. Edelbrock Performer RPM Cylinder Heads 60599 Cylinder Head, Performer RPM, Aluminum, Assembled, 72cc Chamber, 215cc Intake Runner, Pontiac The 11's should also be small valve heads unless he had bigger valves installed. I'm not sure what motor they came off of. Filter by Availability Filter Results PONTIAC Individual Parts. Pontiac Speedmaster CNC Ported Aluminum Pontiac RAIV Style Heads Complete. 190-4305 (For: 1975 Pontiac Firebird) FREE AND FAST SHIPPING. com Cylinder heads and single 4-barrel intake manifold almost dwarf a standard tail-deck big-block. If you are interested in purchasing the kit, you can call our sales/tech staff at 732/901-1800 and we can assist you with any questions you may have. $2,750. Pontiac Cylinder Heads in-stock with same-day shipping. Adjusting ignition timing was a snap with the MSD crank trigger Still not convinced that these Pontiac aluminum cylinder heads are the right performance choice for you? Consider this. 5 posts · Joined 2011 Add to quote; Only show this user #1 · Oct 9, 2011. _____ 867 Pontiac Heads. Leave a number no texting, if still up they are available! Ya pontiac heads. 400" with most engines, where the 30* gave superior flow up to about 0. 00 plus shipping Pictures are Speedmaster As Cast Aluminum Pontiac RAIV Style Heads Complete. They feature optimized oil return passages for increased oil flow. Description: Ferrea Hi Performance Valve Kit (Set) (RA11, RA1V, Non Fast Burn 72 cc Edelbrock Heads) (May Be Used in 670, 62, 13, 12, 48,16 Heads- For Taller Spring Height Must Use Longer Push Rods) Cylinder Head Bolts, High Performance, Hex Head, Pontiac, 326, 389, 421, Kit. I see no cracks on them anywhere. They are listed as 1. or Best Offer +$109. One 2:11 intake closed chamber,72cc,part# 9788067 came on 400,428,The other is also closed chamber,72cc but has Longer valves and a casting of a 97 on end of head some also had 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. Sort by Oldest first Oldest first Newest first Most reactions. Buy It Now +$160. 015 inch in the hole, the 96cc combustion Shop Pontiac Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. HELP CENTER. 180 offset: Exhaust Lifters: Qty 8 @ on-center: Camshaft: Std Pontiac cam core: Valve Cover: Std 4 bolt Pontiac valve cover. At the same time, GM released the Shepherd design to Maskins so the Big Chief head was begun. “7F6” is the code for a 1972 455 H. This is our second aluminum Pontiac head that we have brought to the marketplace. 00 each 1 - 1969 4 Speed Trans with shifter, $2,500. They were 0-. Condition: New. Butler Performance is The Pontiac Remanufactured Cylinder Head offered by Alliedmotorparts is a high-quality, rebuilt cylinder head designed specifically for Pontiac vehicles. They feature the standard Pontiac exhaust arrangement; Saving you lots of money not having to buy a set of round port headers. Mine are Nov. " Butler LS and Butler Pontiac are part of Butler Performance. T. Ductile iron seats for standard length 2. 480 108LSA. 061 is a unique cylinder head with the chamber it "sports". He did not go into a lot of detail so it left me wondering who he is doing And Dale Icke being credited with the Pontiac head came from many sources. Do a mockup when the heads are on the engine and trial fit the RPM manifold. Post by buck » Mon Apr 28, 2014 2:13 am. the motor made 735 hp with bowtie We made 764 HP & 618 TQ on a 13. 77 valves, screw in studs. $299. The casting numbers are 10045434. Just got rid of my 7M5's on my 455 and replaced w/6X. FREE RETURNS. Quick view. I just helped a friend build a stroker and he used these heads (-4’s). O and they also came on G/P there are two versions of 670 heads. They can be quite confusing. Add to Cart. 0122, 7am-10pm CST, everyday. All $6000 Pontiac Heads 326 350 389 400 428 455 Round Port # 7F6 1972 model year. The heads will bolt to ALL traditional Pontiac blocks and do not require special offset lifters or rocker shaft systems. ALL "published data" regarding chamber volume and Pontiac heads is "nominal", not necessarily exact. Those heads in that original photo ARE Pontiac heads, you can tell from the DCI Motorsports Inc. 55 gallon plastic food grade barrels. Shop. 5 out of 5 stars. 68ragtop 1968 GTO Convertible 1978 Gold Edition Trans am 1979 10th aniversary T/A 1980 Pace Car Trans am _____ 68 GTO 4-spd Convertible 78 S/E Trans am L78, WS6 Auto 78 S/E Trans am W72, WS6 Auto Butler LS and Butler Pontiac are part of Butler Performance. 625" exhausts are installed. tgray75 Discussion starter. They are NOT RA IV Pontiac 400/428/455 Turbo Headers- Round Port, RAII/RAIV Pattern. Edelbrock 61595 72cc CNC D-Port Aluminum Heads. A 428 with "16" heads back in the day (1968) was rated at 375-390 HP. A very common build is using heads like your 13's - big valve 72-75cc chamber - and dished pistons to get compression in the low 9's and a cam to match. All these heads use standard valve train components. 4. Stranger things have happened on GM production lines. I ran those for years and performed well in heavy street car. Find out how to identify the casting number, date code, and combus Find out the year, engine, and factory application of Pontiac heads Nitemare Performance offers custom-ported Pontiac cylinder heads for various engine sizes and applications. 00stroke 5. Edelbrock 61579 87cc CNC D-Port Aluminum Heads. Results 1 - 25 of 108 25 Records Per Page Default Sort . 99. Pryor, OK. 050" to . It has a standard intake port location, and is compatible with most small-block V8 components. I didn't see them listed on his website so I am guessing that he's doing machine work for someone else who retails them. So custom ground might not be so bad when measured against buying another set of heads that you will have to most likely want to rebuild with new valves. Pontiac made closed chambered heads until 1967. $3,025. Edelbrock E-Series Head Bolt Kits 85492 The big Pontiac heads hold up better than most other heads without hardened seats. 11 intake valves and 1. Edelbrock E-Series Head Bolt Kits 85492 1975 5c heads milled . 450" lift. I do have a piston problem with nitrous though. 1964 pontiac 389 OEM cylinder heads. Valve relief and ring lands are "close buddies". 2-Most Pontiac cylinder heads feature an identification number cast into the external surface, which greatly simplifies identification. 00 . Qty: Add to Cart See Details PEP Performance Fasteners 7/16 Rocker Arm Stud Kit PEP-PRK-382B-16 (0) Reviews: Write first review I think all Pontiac D-port heads after '71 had 1. 3K views 6 replies 4 participants last post by cobalt327 Oct 10, 2011. 025 pulled of running engine. 66" on the 6X heads. By the time they were ported, cleaned, valves replaced, etc. 100% AUTHENTIC! Brand New · ARP. He however does not do these style seats. Get Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from Speedmaster! Find PONTIAC Edelbrock Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Complete top end packages to build more horsepower and torque for your Pontiac. Part Number: EDL-60599 4. Pontiac 400 valve stem tip height question. 8 7064447 (For: Pontiac) Over 80 Years in Business. Buy It Now. Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. Pontiac heads with there machined chambers are done very accurately , and if you measure from the deck down into the chamber floor and find no more then a verience of . $300 . The Pontiac, Big Duke, Big Chief are all basically the same head. Pontiac Head Codes BACK. 600. There are two versions of the 6X heads, 6X-4 and 6X-8 with the -4 being more desirable because of slightly smaller chambers. EVERYONE keeps saying this motor is not big enough. I'm particularly interested in seeing how good the heads are on it. Find many great new & used options and get the best deals for 1972 Pontiac Vehicles 455ci 250 HP V8 Cylinder Heads 7m5 Dated A192 & A262 at the best online prices at eBay! Free shipping for many products! Also, some #62 heads may have been used on some late '68 model engines. I just look at it as an extra gas port. All else being equal, the 9770716 heads would be smaller vol to achieve the higher cr. 300" lift. I purchaced a set of 867 pontiacs from a local guy who was running them on a 434. It undergoes a meticulous remanufacturing process to ensure top-notch performance and durability. Set of 092 Pontiac heads just rebuilt. dannyp8011 (64) 85. I am in the process of assembling a 406 with flat tops and was wondering if these heads would be faster than a stock set of track-1s they The 427 Pontiac Head was a creation of Lee Shepherd that Brodix cast for GM. Made of heavy wall, American Made stainless steel pipe, these modular log manifolds can handle the heat and vibrations that come from a turbocharged engine build. 100" x 1. Round Port There are many questions regarding the types of Edelbrock Aluminum Pontiac Heads. Working on a set of molested 400 pontiac heads. do you guys think they will runn on 434ci motor. 016 inch, poured in an ample supply of Quaker State Q Racing synthetic oil, and it was ready to fire up. 66 73cc or 8. 77" exhaust valve as opposed to the 1. 11" / 1. Pontiac installed the 092 head to us it up as If you've searched for 400 Pontiac Heads near me, then you don’t need to look further than Speedway Motors thanks to our North American network of distribution centers. Price: $29. 020 300 obo or trade Pontiac Heads - Car Engines & Engine Parts - Loogootee, Indiana | Facebook Marketplace Facebook "As cast" Speedmaster heads are coming out at about 290cfm and that is better than Kaufman or Edelbrock heads which tend to run in the 260's as cast. Come to find out after much research that some of the Pontiac heads never had the 1st and 6th bolt holes tapped. he was approaching Quick intro just purchased a 66 lemans with 71 or 72 350, 7H1 cylinder heads, and headers that has an exhaust manifold leak. After looking at your list, we have done the same machine work to many Pontiac heads for $600-700 less. A friend of mine has a set, I'll see if I can post some pic's if I can get over to see them. 060'' or larger bore. someone out there would buy them if you don't use them. The ARP head bolt part number is 190 New Listing ARP Pontiac Head Stud Kit 12pt. 010" of the valve OD with pick up a nice chunk of air flow up to . Parts Only. The machine shop cc them at 78cc and inspected. 6- 101cc's. Flow wise they are basically as good in terms of high lift flow ( . When properly ported and equipped, a VERY good performance head. 800 on intake,236cfm @ . i have a 1975 pontiac 400 that i put 62 pontiac heads on and now it has a ton of blow by was never sure if the 62 heads did that to the Cylinder Head Bolts, High Performance, Hex Head, Pontiac, 326, 389, 421, Kit. LOL Speedmaster CNC Ported Aluminum Pontiac RAIV Style Heads Complete. You could increase the size of the valves in order to flow more air, but you could also do that with your stock heads and keep your compression ratio, so you The heads are not real valuable but to a guy restoring a '64 big car, again, date codes would be meaningful. 11/1. 2 Complete Cylinder Head 12624550 12600788 (For: Pontiac) Opens in a new window or tab New Camshafts Lifters Rockers Valves Springs Another thing to know about all Pontiac iron head is that the factory sets up the Intake valve seat OD some . Machining for 7/16 studs is going to cost you 1/5 of the total bill and can better be served with getting a set of heads already machined for studs. $239. I could measure the center to center distance on a pair of my heads that for certain have the larger valves in them, and if the 142's you have are the same dimension, they'll fit. This head is completely different from our aluminum D port head that we introduced a couple of years ago. Parts. Talk to the experts. During the tour he mentioned that he's doing Pontiac heads now. It is available with three different size combustion chambers–65cc, Well, I do like 6X's, but my favorite head for a street 455 is the 1971 96 D-port head. 11"/1. 800 on exhaust $2,500. Free shipping. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. 040 inch; each 0. $3,499. 11" intake & 1. Part Number: ARP-190-3602. My question is does anyone know the high/low limit for tip height? I've found two different specs on other forums but neither are close. 4 2. to build a set of Stock Pontiac 6X heads that will flow 240 cfm and net you a pump gas friendly compression Find many great new & used options and get the best deals for 1965 65 PONTIAC 389 421 CYLINDER HEADS # 9778776 at the best online prices at eBay! Free shipping for many products! All Speedmaster Pontiac heads use standard 14mm. Read more: Spirolock Tool & 421 Pontiac Combo - Hot Rod Magazine The 1970 #13 head uses the most current open chamber design that first appeared on the '67 #061 big Pontiac heads, it also has a 14 degree valve angle. 3 cr we made 670HP at 6900rpm and 598 Torque at 5300rpm with hyd roller 257-262-110. 2 compression where as the casting number 22 casting head is the casting number head that would have come on the 1965 285 hp 326 HO motor and would have had a factory stated 10. Who would be the go to machine shop or guy to deal with a set of old 867 heads? Thanks NEW SB CHEVY/PONTIAC 23* ALUMINUM HEADS These are raised runner heads 23* Pontiac casting # 10045434 2. Local pickup only. They have 96 CC chambers, 2. 7834 posts · Joined 2012 Add to quote; Only show this user #2 · Mar 5, 2016. Then we add Howard's Hydraulic Roller Valve Springs and Retainers and Comp Cams 10-degree valve locks, Speedmaster guide plates and ARP rocker studs for an unbeatable combination of Pontiac Heads; Pontiac Engine Torque Specs; Pontiac Cars (Body Types) Pontiac Engine Information; Instruction Sheets; Compression Calculator; Ask a Tech Question; Customer Service. Icke was credited Looking for heads found a set of 7M5 heads was told they're ram air IV but can only find that they are 250 hp heads from a 455 and will they even work on a 400 . Part Groups. Posts: 2,757 143 HEADS. $4,250. Dart manifold fully ported 4150 carb. Learn about their blueprinting process, porting stages, options and pricing. (Rocker tip to retainer) in my experience. Toolbox. date codes IIRC. See all. Head: Part II . Estimated Ship Date: TomorrowLoading Estimated Ship Date: Tomorrow. Lots of strange things happened on the production lines, that were not common practice. Here at Butler Performance we try and give you the knowledge to distinguish the head types . You're buying as is. 8%. Contact Us. ×. Pontiac engines feature 2. Wrongway, check both heads for numbers on the center exhaust ports, I suspect there is "1" and a "6" if you look closely. I was recently watching a show on YouTube and they took a tour of Steve Morris' shop. Edelbrock 60455 RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Roller Cam. 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. 061). This head is NOT a modified KRE aluminum D port, this is a completely different head/casting Description: Pontiac 1967-79 400-455 87cc Edelbrock D-Port Heads, Ported to 290-300CFM, Hand Ported to 290-300CFM with smaller intake runner opening for use with intakes with limited casting material in the PONTIAC Cylinder Heads. Not knowing what cam is in the motor I would guess HP at 250 or perhaps a little more. Pontiac 1973-1974 Cylinder Heads; No "H" stamp on early 1973 heads. i. They are usually stamped on the machined pads by the valve covers. 2- 101 cc's. I am located on the west coast in northern California. See charts, tables, and examples of Pontiac heads from 1955 to 1979. Pontiac 455 Cylinder Heads 1972 72 455 HO GTO Trans Am Formula Rebuilt 7F6. For stock D-port heads, the best stock head for making power is the #12, pretty much. these were not rolled over 23 degree versions, the valve spring I have a set of Pontiac 867 heads. Top. We take the proven Speedmaster Head castings and fully CNC Port them. head For Chevy Malibu Pontiac Ecotec 2. 65 rockers, included in the prices. So, by having the exhaust valve open longer, the The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. $1,950. Most times it is Explore a wide range of our Pontiac 400 Heads selection. So what we all ended up with was three very similar heads from two sources of Brodix and Dart. vtr cexuj pzlete lvhhj zaxf fahzq okp afjl iegzsufu xshlys