Pontiac e heads. I want somewhere in the 500hp or so range with headers.

Pontiac e heads 19 It and 1. Typically it will cost you around $2500 to get ported aluminum heads which flow 290 cfm or better, so a set of ARP 190-4002 Head Studs with Hex Nuts 1967 & Later Pontiac 350/400/428/455 with (For: 1971 Pontiac Firebird) JEGS – Selection, Value, Lifetime Support Since 1960 Brand New · ARP Apr 4, 2017 · The Pontiac heads that do not have the end exhaust manifold holes are the 1972 "7J2" and the 1973 "7K3" heads. As posted in 4 and 5 you had better CC them, as they are never as low as 96 CCs in chamber volume , and one you get that number if your then getting a valve job done on them then that Aug 23, 2018 · Working on a 468 stroked Pontiac 400 block 72 CC Edelbrock heads CNC chambers (round exhaust) Icon IC938 pistons +030 10. Parts Only. Mar 18, 2017 · The heads will bolt to ALL traditional Pontiac blocks and do not require special offset lifters or rocker shaft systems. 125 - 1. Find PONTIAC Edelbrock Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Street Edelbrock heads, setup for hyd. would like to start there. Junior Member : Join Date: Oct 2004. $5,250. 96. Oct 13, 2014 · If you need more clearance volume to get compression down where you want it with iron heads, do it with D-shaped piston dishes that preserve the quench pad area. I like SRP forged pistons. The 77 head came on the 389 in the GTO, never a 389 that came in a big car. 66" or 1. The non HO 421 head was a 76 as were most of the 389 heads. GIFT CARDS. At the same time, GM released the Shepherd design to Maskins so the Big Chief head was begun. Stock Factory Restoration. 99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Jun 13, 2012 · When I was running Super Stock, we found that Pontiac Compression ratios were often over-stated by a full compression point. 67 400, mild cam, performer rpm, headers, 700r4 trany, chevy 12-bolt, 411gears. Results 1 - 25 of 108 25 Records Per Page Default Sort . 8 HP at 6900 rpm and 777. The Pontiac, Big Duke, Big Chief are all basically the same head. 1978 Trans Am original owner 10. 1. Not a good combo for Find PONTIAC Pontiac V8 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Shop the CLEARANCE SALE! Cylinder Heads, Remanufactured, Assembled, Aluminum, Natural, Cadillac, Chevy, GMC, Hummer,  · the motor made 735 hp with bowtie heads and on 1 1050 dom. Dec 7, 2010 · I have been in search of some heads with the right size chambers for my engine recipie. super efficient E-heads, I'll tell you so you can put that extra money somewhere else. Edelbrock Small-Block Chevy E-Street Cylinder Heads 64cc (For: 1964 Pontiac) Opens in a new window or tab. The Pontiac 2. thanx guys:willy: Edelbrock Performer RPM Pontiac CNC Cylinder Heads 61515 Cylinder Head, Performer RPM CNC, Assembled, Aluminum, 72cc Chamber, 215cc Intake Runner, Pontiac, 455, Each 72cc Chamber, 215cc, Pontiac, Semi Finished, 389-455, Each. Best 1/8th mile e. 15 intake to big of a vale to use on a 4. 600 valve job by M&M Porting Service 5/16 - 11/32 bronze valve guides Angle milled to 52cc chambers - 21. Save Share Reply Quote Like. 800 exhaust valves. 51 delivery. All big valve E heads have valve spring dampers in S⁣ p⁣ E⁣ o⁣ n⁣ N⁣ s⁣ o⁣ ⁣ W⁣ P⁣ r⁣ e⁣ ⁣ d⁣ ⁣ Y⁣ ⁣ ⁣ ⁣ 1⁣ ⁣ ⁣ ⁣ ⁣ ⁣ R⁣ ⁣ Arp 190-3604, Kit Black Chromoly Fits Pontiac Head Bolt Kit 6Pt. roller cam, includes everything above, fully CNC ported to flow 315+cfm@ . 030 over, KRE eagle stroker kt, KRE,CNC ported e-heads 310 cfm, port match RPM , comp roller 236/245@. 11" valves are standard issue, the valve seat can be machined to accept a larger valve with minimal Head Bolt Kit, Bolt, Hex Head, Chromoly, Black Oxide, Pontiac, Performer Cylinder Heads, Kit. Besides testing on our own race cars Jan 22, 2020 · 1971 #96 heads info Pontiac - Street. 900 long, which is a bit longer than the High Port heads. M-22 rock crusher. 60 exhaust valves. What better than small valve head castings wooping butt on ram air heads. 800 on intake,236cfm @ . Shop Pontiac Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. They also feature high-quality lightweight valve springs and heavy-duty hardware for maximum lift and maintain the stock  · 6x vs 4x Pontiac - Street. 11 & 1. All pulls were made with a 770 Street Avenger carb. 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 Sep 23, 2006 · Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. I then went overboard and installed a set of 114cc #66 455 heads, which dropped my CR to about 7:1. I'm fairly certain Pontiac Cylinder Heads The Pontiac Remanufactured Cylinder Head offered by Alliedmotorparts is a high-quality, rebuilt cylinder head designed specifically for Pontiac vehicles. 7587 posts · Joined 2008 Add to quote; Only Speedmaster Upgraded Aluminum Pontiac RAIV Style Heads Complete. There not cheap but they are strong & light. DEALS. 05 586/600 lift 110 LS. 250" intake valves for larger bore aftermarket block combo's (Note we have to use the old style casting for the larger valves as the valve seats Edelbrock installs in the Jan 3, 2014 · Makes for a great set of sleeper heads if someone doesn't want to spend money on porting. One 7K3 are 1972 400-4bbl heads, used on all 4-bbl applications that year. _____ Sep 1, 2024 · PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > E-Heads are on sale FYI Reply: Page 1 of 2: 1: 2 > Thread Tools: Display Modes #1 09-01-2024, 05:07 PM 67Lemons. Pontiac Cylinder Heads in-stock with same-day shipping. Jan 28, 2014 · Mr. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting Jun 23, 2021 · The Following User Says Thank You to PONTIAC LARRY For This Useful Post: TCSGTO #2 06-23-2021, 05:04 PM matched my e-heads exactly, And the e-heads have 2. Now your 7m5 heads are 114cc. I believe in the E-heads & would run only them on any build from now on. 200" and . Feb 20, 2021 · 77 Trans Am, 469 w/ported E-Heads via Kauffman, matched HSD intake, Butler Performance forged rotating assembly, Comp custom hyd roller, Q-jet, Art Carr 200 4R, 3. Most Pontiac factory cams were dual pattern, with at least 10° more exhaust duration than intake duration. Price: $54. So, by having the exhaust valve open longer, the Mar 26, 2011 · OK, maybe some misinformation can be taken from some of the above posts. Senior Member : Join Date: Dec 2023. The speedmasters still have the stock valves in them and less comp. with the aluminum E-heads without issues on pump gas, too. 600" lift @ 28", no extra cost valve size options, 2. REWARDS. It undergoes a meticulous remanufacturing process to ensure top-notch performance and durability. Call 800. 935 (Set) Direct replacement for Edelbrock Pontiac Aluminum Heads. Edelbrock Performer Cylinder Heads 61579 Cylinder Head, Performer, Aluminum, Assembled, 87cc Chamber, 204cc Intake Runner, D-Port, Pontiac, Each The KRE Aluminum High Port cylinder heads are the best choice for Pontiac race and / or MAX EFFORT street applications. The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. We are a dependable Edelbrock 455 Pontiac Cylinder Heads distributor backed by decades of automotive industry experience that other auto parts sources simply can’t Find Edelbrock E-Street Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Are you looking for a set of entry-level street performance heads for your modern street rod, muscle car, or truck? Edelbrock E-Street cylinder heads are just the ticket. or Best Offer +$31. RA manifolds made 301/355 on a chassis dyno and has pushed my bird to 12. Good luck with your project. Free delivery. 90 Pontiac large port head These have been run in a blower application, no epoxy. Car ran fine, but sucked gas due to low compression. 4L Quad 4 engine is a dual overhead camshaft (DOHC) engine that gained popularity for its PONTIAC Cylinder Heads. 08 rear gear in a 70 lemans Convertible 1978 Trans Am original owner 10. Get them reworked, shave off some, cc there, and get dome pistons to bring the heads down around 95-98cc and you will be laughing. The only one made in '67. The KRE High Ports have been on the market since April 2005 Butler Performance's CNC wide port Edelbrock heads are some of the best flowing Pontiac heads available today. 75:1 ratio was to mill the heads to the NHRA minimum allowable chamber volume. BearGFR. https://www Jul 28, 2009 · Budget combo,use the 400 block,get a 4. Aug 22, 2006 · I have a pontiac 462 based on a 455 block. They are available for popular V8 Mar 4, 2024 · We have a massive inventory of production Pontiac heads to suit all your restoration and drag racing needs. The 77 heads also came on the 421HO that came in some of the big cars, but not any of the regular 421's or 389's in big cars. Port them and it makes a big difference. Part Number: EDL-85612. I still can not find my flow sheets , so sorry about that! The 405 hp rating was pretty on the money and since the Cams used in the 62 SD motors had . That alone will save you $$$. Not a raised runner? [/img] Top. 5* Ported by M&M Porting Service 325cfm @ . I am helping a customer in one now that is the same basic head and he will be running appx 500 shot of nitrous in it. This guide will explore five distinct Pontiac cylinder heads to help you understand their features, applications, and how they contribute to engine performance. GM Cylinder Head Pontiac 2b 6X Date A267 1977 Firebird Trans Am TA 400 6. E Mahle 3494VC (For: 1964 Pontiac) Opens in a new window or tab. Learn. Dec 2, 2003 · 7M5 pontiac heads(455ci) Jump to Latest 12K views 1 reply 2 participants last post by jimfulco Dec 3, 2003. You could also be at around 68cc's if more cleanup cuts have been done or a shop got carried away on the milling. DCI Motorsports Pontiac custom engine builds. Luckily we did have a notable machinist locally for Pontiac head/porting work with a Pontiac flow bench. It has stock 87cc Edelbrock heads with stock valves and upgraded springs for the Comp Cams XR276HR 455 w/e-heads, SD manifolds, HC-02 cam, performer w/q-jet, HEI, set to 36 degrees total. 99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand Dec 29, 2022 · The 670s have fatter Intake flow numbers between . Not Yet Reviewed. 5:1. I'm putting in a isky mega 280 hydraulic with . Pontiac engines feature 2. 040 bore im afraid ill Oct 20, 2009 · In late 1967 the #16 open chamber head was released and it replaced the #670 heads Ram-Air 1- H. Home; Media; Videos; Rides; Links; More pictures of the AllPontiac Tiger Head. 9 ft lbs of Nov 25, 2010 · The hot ticket for the E-heads is to buy bare/rough castings then have them finish ported and assembled with "the good stuff" by someone who really knows his business. Starts good, runs cool. 979. I will be using these plugs with my KRE heads & they will work fine with your E heads. It has a 750 carb and a 4 speed. They are totally unmodified, not even gasket port matched, original tight guides. Jun 14, 2023 · 1978 Trans Am original owner 10. Oct 17, 2009 · 69 400 Block, . 1963 Pontiac 400 Heads. So what we all ended up with was three very similar heads from two sources of Brodix and Dart. Skip Fix 1978 Trans Am original owner 10. These heads have completely CNC ported intake and exhaust runners, so they are much more . Description: Pontiac Rocker Arm Stud 7/16 X 7/16 1. flat tappet or solid or hyd. flow bench. Welcome Guest My Account Order Status Wishlist (866)762-7527. Founded in 1991, it was also the first online forum for people to gather and talk about their Sep 30, 2009 · The only Aluminum Pontiac D-port Head We are pleased to introduce to you, our aluminum D-port Pontiac head. I've been doing a lot of research on 400 builds since I just bought one. 11 intake valves. 6L/400 Edelbrock Performer Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! All Edelbrock aluminum cylinder heads feature threaded inserts  · INTAKE MANIFOLD BOLT PATTERN IS THE SAME FOR ALL 65-79 HEADS. Dec 13, 2005 · 455 7m5 heads Pontiac - Street. if you guys need any more i will try to get thanks BIG STEVE Jul 15, 2021 · Helping a guy out with a 400 Pontiac for a 1969 GTO, street car. Dec 9, 2024 · We have done extensive research and development on cylinder heads with a J. on a machine in the next few weeks and was wondering what these heads seem to like. 60 and also slightly larger chamber vol than the 9770716 1. 200" intake valves for stock block combo's, 2. They have 96 CC chambers, 2. Wallace and performance Pontiac listed only the compression ratio. 500 CFM Race Porting, ready to run set with titanium intake valves, stainless exhaust valves, titanium retainers, steel keepers, viton valve seals, and SOLID roller cam springs. 8 HP at 7000 rpm and 785. D. Estimated Ship Date: Feb 3, 2025 if ordered today. Oct 4, 2015 · While porting any set of heads will help the flow, if done correctly by a person who knows Pontiac heads, the question of will it increase performance depends on if the engine can use the "extra" flow capacity. The 9773345 heads would have smaller valves, 1. , 9. Air & Fuel Delivery; Apparel, Cups, Decals, Books, Gift Cards; Brake and Body Parts; Camshafts & Cam Kits; Jul 25, 2024 · I installed different heads, 72cc #12 ram air heads, same thing, although a hair better. We take the proven Speedmaster Head castings and fully CNC Port them. Pre-Owned. _____ Dec 28, 2012 · The 061 was the first open chamber head for Pontiac. look into the specs of a 60243 crower cam. Makes for a combo on a 455+ cube that will spin a tire but falls on its face quickly due to port choke. Here at Butler Performance we try and give you the knowledge to Oct 24, 2024 · Manley valve spring cups protect your expensive aluminum heads from being galled by your high-pressure valve springs. Sponsored. ARP Pro Series Cylinder Head Studs 190-4003 Used GM 2 Cylinder Heads 618024 1955 Pontiac 287/192/205/216/227 HP Engines (E7) Opens in a new window or tab. Talk to the experts. They also include hardened seats, bronze valve guides, and fully machined valve cover rails for a more (Our KRE 295cfm heads require Felpro intake gasket # 1233 or equivalent) From $1565 each US funds, complete ready to bolt on. Save Some Weight, Money And Gain 49CFM. Shaft Rocker System Jan 30, 2017 · This is the first testing of the NEW KRE Super Wedge Pontiac cylinder heads. We use an in-house Superflow 901 dynomometer to test and maximize every part that we make. These Edelbrock #61525 Performer RPM CNC Cylinder Heads for 1962-79 389-455 c. The heads themselves are AS CAST Super Wedges with 2. Rating * Name Email * Review Subject * Comments * Recommended; Quick view. dannyp8011 (70) 100%. Part Groups. 6L/400 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Jan 15, 2015 · 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 DCI Ram Air 5 Heads 500 CFM Race Port Solid Roller Titanium Intake Valves Assembled Pair. 15/1. 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. 66 valve heads used on the GTO. This engine is a 541 cid with a 50 mm cam, STOCK / AS CAST KRE Super Wedge Heads with a 1150 Dominator. 99 @ 124 pump gas 455 E heads, NO Bird ever! Find PONTIAC 6. i do think headers will be needed to get there though. $1,950. They're quality-machined to a . 33@132 Mar 2, 2006 · Now I'm not picking sides here but Jim has run a 11. Pontiac 2. 66" While the 2. Jun 24, 2010 · A 3. AllPontiac Tiger Heads. There may have been slight differences on the Dec 5, 2010 · Any chance the heads have screw in studs? If so, grab that deal. Bear:cheers Dec 9, 2024 · We have done extensive research and development on cylinder heads with a J. Butler Performance - Edelbrock Aluminum D Port Pontiac Cylinder Heads Another thing to consider is using smaller chamber iron heads. $239. 66 exhaust valves. Filter by Availability Filter Results PONTIAC Individual Parts. Speedmaster CNC Ported Aluminum Pontiac RAIV Style Heads Complete. Sellers with highest buyer ratings; Returns, money back; Ships in a business day with tracking; Learn More Top Rated Plus. Any Pontiac Guru advice? Pontiac used low lift cams, just over 0. he was approaching a set of E-heads. Welcome Guest My Aug 6, 2019 · A pair of decent used 7F6 heads would have more value in a true '72 HO car restoration & the sales return could easily pay for a well street ported (250-260 cfm) pair of 6X-4's or 6X-8's, or a pair of 87cc chamber E heads, if thats your desire. $5,000. May 7, 2021 · I'm going to e-heads from SD perf in the future with a new cam so I can put down some real power. so we can discuss the level of performance you want. Round Port There are many questions regarding the types of Edelbrock Aluminum Pontiac Heads. Jul 16, 2012 · The 11's should also be small valve heads unless he had bigger valves installed. 11/1. Feb 23, 2015 · These heads are Brodix GM castings Pontiac 10045427. 88 with a 3750 lb car with a 373 gear, 315 cfm E-heads, solid roller cam, 4200 stall, electric water pump and a Holley HP950. 75:1 were actually 9. carbs on how much hp gain i get i am hopin for around 800 to 850hp. May 3, 2009 · The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. I might would do it anyway, given that there's a TH400 thrown in (it'll likely have the dog sprag, though ) but that casting date gives it a slim chance of having been Traditional Pontiac’s are our specialty. 60 titaniume valves 8 crane gold race offsett rockers a stud girdle and a port matched intake isnt a 2. If the amount of air your engine is Jun 3, 2013 · Because of weight, I think blocks and heads have a limited radius market value. 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 Dec 1, 2020 · Was wondering if anyone had any verified timing requirements or an approximate curve for the heart shaped D-Port E-Heads. Remanufactured. We also service and modify aluminum aftermarket heads, like Butler Performance's CNC wide port Edelbrock heads are some of the best flowing Pontiac heads available today. Parts. No idea why they seemed to come on 2bbl cats and venturas. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. are exactly what on the Pontiac heads. 6L/400 Edelbrock Performer Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! All Edelbrock aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability. 450" lift. My Garage. 32 with a 4100 lb car using 260 cfm "small port" iron heads a 355 gear, 3200 stall, hydraulic flat tappet cam, mechanical water pump and a Q-jet. 88 Pontiac small port head 10045427 10045427 460/R 91 (o) 2. most d ports can do what you want hp wise. Nov 7, 2014 · 15-20cc I also ran a reground RAIV cam. With rhoads lifters, 4 eyebrow relief pistons and 87cc heads it would only ping on realy hot days if I lugged her. 26 delivery. in the engine that makes sense for you. $999. it occurs inside Pontiac cylinder heads. I. Steve has run a 10. i. Edelbrock Performer Cylinder Heads 61579. The port shape of the 6X heads are much improved over the #64 and #15 heads and they will respond to porting work better as well. number and no casting dates, not Service Replacement parts. Condition: New. 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. Last year with some internal problems it still went 11:72 @ 119 mph. 4L - 146ci - L4 - Quad 4 - DOHC Cylinder Head Overview. 935 (Set) Direct replacement for Edelbrock Pontiac Aluminum Heads Item #: BPI-1022-EDL-16. TRACK ORDER. 806in 2004. Valves: Ferrea 2. Concorse Dec 17, 2023 · NEW SB CHEVY/PONTIAC 23* ALUMINUM HEADS These are raised runner heads 23* Pontiac casting # 10045434 2. This head is NOT a modified KRE aluminum D port, this is a completely different head/casting! Tin Indian Aug 15, 2010 · want to know if i can get the same hp out of the 6x for less money than the e-heads. Opens in a new window or tab. 5 hp vacuum cleaner motors), two graduated vertical manometers to measure atmospheric pressure, an incline manometer to measure actual airflow, and a Edelbrock 61599 72cc CNC D-Port Aluminum Heads. 035 in. 00 each US Funds Note we can custom tailor the chamber size to meet your needs for no Pontiac Heads; Pontiac Engine Torque Specs; Pontiac Cars (Body Types) Pontiac Engine Information; Instruction Sheets; Compression Calculator; Ask a Tech Question; Description: NGK-BKR-5-E Spark Plug (For Edel Alum Heads) 5/8"Hex, 3/4" Reach, 14mm Gasket Seat, Extended Tip, Heat Range 5 (Set) Item #: NGK-7938-8. Is there an engine code Jan 16, 2021 · 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. I also got told just to place an ad for a set of ported iron heads that flow good because i want to get rid of my 71 455 heads. I saw a set of 7H1 heads . Never, but never ask, "What do your heads flow?" Oct 21, 2019 · AMC and olds heads are significantly cheaper from Edelbrock than Pontiac heads are. 4-sold 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10. Ultimate Warrior : Join Date: Feb 2014. 455 heads included. 0/9. They are set up for use with a hydraulic roller cam and have the new 72cc E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5,500 rpm range. Easily doable with a 400 and 068 cam using either of those heads. my goal is to get 450hp/ 500tq. the date codes for your block is Feb 20, and (probably) 1969. Top Rated Plus. 40/1. M. Just got rid of my 7M5's on my 455 and replaced w/6X. 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. Finally fed up, I found a pair of #15 heads, which are small valve 1970 455 heads with an 87cc chamber. 47. Edelbrock 5089 | Fast & Free Shipping | Top Rated! Brand New. i told the guy ill give him an answer on the heads 2morrow. Shipping gets to be an issue. Find PONTIAC 7. Having more airflow means the ability to feed those cubes enough air, and that means your engine will turn more RPM before it runs out of airflow. Part Number: EDL-60509. 43@103. NPS Nova. 19" intake valves, 1. Home Services Store Tech Wanted Videos About Contact Us. $24. is that possible with a 400 with 6x heads. I. But the real drawback is the casting p/n difference, all that matters to a restorer. 062 in. now most of my experience is research on this and a little math but it was from credible Dec 22, 2005 · The bottom pic is a set that were on E-Bay. I know of an Edel head for a Pontiac that had the Oct 14, 2017 · So when you wonder, "Are those heads worth the money," you need to call me up. 800 on exhaust. 42s, 3 inch exhaust w/Doug's cutouts, D. Jump to Latest You'll spend a lot of money on them to just to get them maxed out & then you'll be at the starting point of the E-heads & can;t go any farther with them. K. 11" Intake, and 1. Best 60 ft 1. 400" with most engines, where the 30* gave superior flow up to about 0. dannyp8011 (69) 100%. May 4, 2018 · 17 heads have a smaller port than other Pontiac heads available. These heads have completely CNC ported intake and exhaust runners, so they are much more consistent port to port and Find PONTIAC 6. If I were to do nothing else except swap my heads for a set of E-heads like that, I'd pick up a good 50 HP, probably more. reground for a tad more lift. Add to Cart. 99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13. Free shipping. Location: alabama. Posts: 1,494 Jim Hand wrote an excellent book on porting those very heads. Jul 30, 2021 · The. 74cc or 85cc $1565. 00" main crank,some good forged rods,and spec some dished forged pistons to net roughly 10. Estimated Ship Date: TomorrowLoading Estimated Ship Date: Tomorrow. Dave Wilcox at CVMS is one of the best there is. Those RPM E-heads are said to be able to use up to . Dec 18, 2024 · Pontiac Cylinder Head Type. The valves are 6. 75:1 if you measured everything out. They are set up for use with a Edelbrock Aluminum Heads- D-Port vs. Speedmaster As Cast Aluminum Pontiac RAIV Style Heads Complete. 1963 Pontiac 143 Cylinder Heads 400 CID 290-333 HP - Good Used Rescue. 7280 posts Apr 25, 2018 · New to the forum and little experience building engines. 99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X Jan 28, 2024 · After waiting nearly 2 years I finally gave up, sold the heads and bought a set of D-port Edelbrock heads instead. 77 valves, screw in studs. 88/1. 6x-4 Pontiac - Street. 13:1 compression using a melling 068, stock intake/carb etc. 0122, 7am-10pm CST, everyday. Brand New. Butler Performance is the main source for stock and performance cylinder heads for your Pontiac. 6L V-8. They are set up for use with a hydraulic flat tappet cam and have the new 72cc CNC machined May 22, 2024 · Street recipe: 670 vs. 46 with 3. 5 HS roller rockers, 350 Transmission, Red Neck tight 3500 stall converter, Ford 9” with 3. 77 ex. 5L/455 Pontiac V8 Edelbrock Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search May 23, 2012 · Strong street car for a pontiac 455. maxracesoftware Vendor Posts: 3687 Joined: Sat Feb 14, 2004 9:04 pm Location: Abbeville, LA. The main reason you have no power is that those 4x Jun 27, 2011 · The E heads flow more than most ported iron heads, even the D ports do, so its a step up even without touching the ports. Ultimate. 485 lift and edelbrock performer rpm heads and intake. Our Heads Flow 289CFM As Jan 29, 2014 · 1967 Pontiac Heads. If you don't need our. D-port heads are more difficult to improve the exhaust port, and probably cost me 20-25 HP. E. In our last issue, we began our foray into the world of airflow, as. We use an in-house Superflow 901 dynomometer to test and Oct 24, 2024 · Your complete source for Pure to unique Pontiac Performance parts. My RAIII 400 with unported 12's that dont flow any better than your choices, 10. Edelbrock 61599 72cc CNC D-Port Aluminum Heads. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs Jan 26, 2005 · PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 72cc E Heads on 455 Reply Thread Tools: Display Modes #1 01-23-2005, 11:18 AM polarwhite70judge. Head: Part II . Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. 00. Posts: 27 I have a fresh 455 short block with a basic rebuild,forged TRWs,no cam as May 27, 2007 · The 427 Pontiac Head was a creation of Lee Shepherd that Brodix cast for GM. Feb 28, 2017 · The non stock 400-455 building crowds wants E heads over vintage D ports. Speedmaster Upgraded Aug 28, 2018 · OK, #12 heads were used as RA III heads on both the manual (3-speed & 4-speed cars) with block code WS and the automatic cars with block code YZ - for the GTO The early Oct 25, 2022 · They'd likely have next to no experience with Pontiac heads down here. Usually around 505 grams , a stock pontiac piston is around 750+ grams per Feb 20, 2023 · 1978 Trans Am original owner 10. Reply With Quote #2 10-25-2022, 07:08 AM tempest1964. You will be at about 72cc's if a normal cleanup cut was performed when a valve job was done. 21 stroke/3. 11 intake valves and 1. 99 @ 124 pump gas 455 E heads, NO Bird ever! Apr 22, 2011 · 1971 GTO,72 400, stock bottom end, 670 heads, Lunati BMII cam, headers, iron intake Q-jet, four speed. The Heads and cam were bought from Pontiac Speed Shop. doing the heads and installed hard seats, going to do some minor porting work. We were armed with a 400-cfm laminar flow element (powered by six 1. I'm just not convinced Pontiac heads should be the most expensive street type aluminum head that Edelbrock makes. My brother wants to rebuild his pontiac 455ci(street performance:450/500 hp). I use J-loy seat # SB1812-12 for the factory big valve heads I use J-loy seat # SB1812-2 for the small valve heads I want to open up to big valve. I just helped a friend build a stroker and he used these heads (-4’s). Qty: Add to Cart See Details PEP Performance Fasteners 7/16 Rocker Arm Stud Kit PEP-PRK-382B-16 (0) Reviews: Write first review For the ultimate in performance, our E-CNC cylinder heads are the answer. And he got excellent performance with them. Posts: 195 May 6, 2015 · Heads can be used on your 1965 - 1979 Pontiac motor. 445" lift $6000 Pontiac Heads 326 350 389 400 428 455 Round Port # 7F6 1972 model year. . Founded in 1991, it was also the first online forum for Find PONTIAC 6. All heads should be cc'd or no informed decision can be Feb 23, 2023 · Page 3- Speedmaster CNC flow numbers Pontiac - Street. They didn't flow as good as the mediocre Olds-built ones (can't even compare them to 5's, 6's, or C's through F's, just compare them to the 260 heads!), the only advantage is they are lighter, much like the blocks of the era. Toolbox. The only way to get them to the advertised 10. I thank all the power to the E-heads. I want somewhere in the 500hp or so range with headers. Jan 23, 2022 · For sale is this pair of 1969 #722 RAIV heads with rocker studs, guideplates and New Old Stock original valves. I use the same plug BCP5ES [ same plug without the resistor ] with my iron heads, because you want a hotter heat range with unleaded. Drop Ship; Free Jul 21, 2010 · The 72cc's was the advertised size, but like most Pontiac heads they were larger. May 29, 2023 · Max static CR for Pontiac iron heads on todays gas is 9. 75" stoke crank w/ stock E-heads and the right cam in a 400 pontiac should get you around 425-450 hp on pump gas, and there is more potential w/ aluminum heads than cast iron heads since they're newer and have better engineering. The dual 4 (1050 dominator carbs) combo made 937. e. 95 Jan 1, 2020 · mag2555 wrote: ↑ Thu Jan 02, 2020 11:26 am According to my notes the 62 127 casting and the 980 casting are the same on the Intake side ,the Exh side of the 980 differe's greatly from the 127 heads. They are set up for use Speedmaster CNC Ported Aluminum Pontiac RAIV Style Heads Complete. These Edelbrock #61599 Performer D-Port CNC Cylinder Heads for 1962-79 389-455 c. Air & Fuel Delivery; Apparel, Cups, Decals, Apr 14, 2015 · 10049875 10049875 376/R 83 (o) 2. The heads feature 2. They do not flow as well, especially over . Dec 9, 2024 · Out of the box heads make 768 TQ and 926 HP on a 541 CID race engine; Std Pontiac cam core: Valve Cover: Std 4 bolt Pontiac valve cover. 1967 was a Speedmaster As Cast Aluminum Pontiac RAIV Style Heads Complete. i believe some mild porting and your good. and a $6000 Pontiac Heads 326 350 389 400 428 455 Round Port # 7F6 1972 model year. I will be running nitrous once its up and running well. The sheet posted Mar 11, 2019 · I think all Pontiac D-port heads after '71 had 1. 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. I had looked on kens speed and machine and on angel fire and they listed them at 80 CCs. So I sold them for cost of clean & test. " While Taylor sings the 455's praises, like the quality of the cast iron in the blocks, he reveals one major weakness--the lifter bores. this is very similar to my goals as well. 66 (included) Head Gaskets: Felpro 8518, ROL HG 31320 HT , Felpro 1016 : Intake Gaskets: TIP Jun 7, 2024 · 061 heads are very good heads with some mods. Sealed Power Premium Hydraulic Roller Lifters. I have a 64 GTO with a 67 400 out of some other Pontiac. Performance Par (For: 1964 Pontiac GTO) Speedmaster Pontiac heads include valve sizes at 2. EDDY merlin Discussion starter. In a "standard" 461 with those 72cc #62 heads, and other measurements nominal for Pontiac, Mahle vc head gaskets, you'll need 27cc's of dish volume in reach piston to get down to 9. , the GTO engines advertised at 10. 9 4 speed dually May 7, 2011 · 416's and 601's (early/mid 80's 305 heads) are about as close to a performance head as you'll get on a production car from that era (the other heads used on 350's were pretty much junk, even the vette aluminum heads aren't significantly better), and can also be used well in a high efficiency, low end/mpg setup with good effect. 11 posts · Joined 2003 Add to quote; Only show this user #1 · Dec 2, 2003. Pontiac Speed Shop 8" X 2" Decal Pontiac Speed Sep 27, 2021 · They will also help keep your compression ratio in the realm of pump gas. 70's at 106 mph at a 3890 race weight. 6 cc dish 11. 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. weirdybeardy5 (216) 100%. I have been looking for a set as close to 87 CC as possible. There has been some killer nitrous engines built using that head. on racing gas, i have put the pontiac heads on it and 2 950 alc. Dec 18, 2005 · While the Olds heads were built by Pontiac, they were no good. 55 open rear 85 Grand Prix, 70 400, casting 62 heads stock rebuild, Turbo 350 trans 78 800 cfm Q-jet modified as per Cliff Ruggles book. They need to be freshened and if run NA the intake port made larger w/larger valve. 75’s, Strange center section, Moser 31spline axels, 29”Mt slicks, HRPARTSNSTUff anti roll system, Doug’s Our warehouse isn’t stocked with junk, instead of cheap Edelbrock 455 Pontiac Heads, we sell Edelbrock 455 Pontiac Aluminum Heads with high quality at an affordable price. This is our first aluminum Pontiac head casting that we have brought to the marketplace. Ignition. 28/1. 575 lift, out of the box. t. Speedmaster As Cast Aluminum Pontiac RAIV Style Heads Complete May 9, 2024 · 1978 Trans Am original owner 10. 33@132 Jun 9, 2018 · Pontiac knew how vital cylinder heads are, even back in the 1960s – that’s why its engineers devel-oped so many amazing heads, like the ’68 Ram Air II “96” heads; the “722” and “614” Ram Air IV heads of 1969-70; the “197” or “7F6” HO heads of 1971-72; the “16” SD heads of 1973-74; or, of course, the May 30, 2007 · The 427 Pontiac heads have a fairly large chamber which does help them a lot in a nitrous engine. Not long after the Edelbrock d-port heads were first introduced two Pontiac engine builders tested them. Jul 24, 2012 · There are 4 different Pontiac heads (that I can think of right now) that all had round ports on the exhaust side: 68 1/2 Ram Air II, Ram Air IV, 455-HO (71 up), and 455 SD. Displacements from 350 - 455 cid. 1969 PONTIAC GTO FIREBIRD 400 RAM AIR 3 428 HO CYLINDER HEADS #48 date set B139. _____ 1969 Pontiac Firebird Reply With Quote #8 The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. As stated, pull vacuume from ported source. Location: New Hampshire. These heads are assembly line originals with the larger #722 I. 300 lift, but at least ram air and long branch manifolds are available. There are low port, and high port versions of the Apr 10, 2023 · With a light cut on the surface you can bring them down from 92-95ccs to 87cc. Products. 3:1 is probably more preferable and that's with premium grade gas. 0:1 SCR with the #62 heads (CC the heads first),port the #62 iron heads to 250cfm minimum (max port would be better,say 270ish cfm),use some well chosen intake & exhaust tract hardware,and a solid cam in  · Re: pontiac 867 head for sbc can i get your thoughts on these heads 08-10-02 01:01 PM - Post# 118823 In response to Rick_L so theres some power to be made in those heads thats cool mie came with 2. 77" Find PONTIAC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! These Edelbrock #61515 Performer RPM CNC Cylinder Heads for 1962-79 389-455 c. Those are low compression heads and are poor choices to use, especially with headers on a 350 CI engine. O and they also came on G/P there are two versions of 670 heads. 350" lift then any other D port Pontiac head, even the 421 980 casting. 92/1. 250 intake and 1. or . Bear Sep 5, 2022 · 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. 4 Static Compression ! 3. 4 ft lbs of torque at 5300 rpm. So I bought them. This engine made 926. first biuld still learning. They have never been "all blowed Oct 23, 2019 · May not be Pontiac-specific, but David Vizard's How to Port and Flow Test Cylinder Heads has excellent content that applies to any 2 valve cylinder head. 670 heads on a 461 with "flat top" pistons is Pontiac Rocker Arm Stud 7/16 X 7/16 1. Buy It Now. And they are great heads IMO. Pontiac engineers designed them for a smaller cube motor. We are the only Pontiac business in the world that has six CNC machining centers in-house to build aftermarket Pontiac parts. Quick view. Waste of time, should have gave them away. U. In other words, your stock #94 heads can flow a certain amount of air at various valve lifts. 0 Reply. I have rods,crank,pistons to make 598. HELP CENTER. There is no effective way to drill and tap those heads for the end exhaust manifold bolts. $819. or Best Offer. 87 F350 6. They have a great NOS or blower chamber. By the time they were ported, cleaned, valves replaced, etc. 8. I will be putting the dist. 375:1. That one has 80 cc chambers. Shop. 11" or 2. 1971 Pontiac 455 Head D Port 325 HP 4 Barrel GTO Lemans Tempest Sport (For: Pontiac) Opens in a new window or tab. May 4, 2007 · The NGK equivalent is the BCPR5ES. Show more replies. 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. Aug 7, 2011 · A Pontiac engine has low cubic-feet-per-minute flow through the carburetor, but high velocity through the cylinder heads for more efficiency. Note the amount of meat at the bottom of my runners as compared to the lower pic. 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 Sep 18, 2017 · RAIV exhaust manifolds 2 1/2 exhaust to the rear axle, no port work to the heads & topped with an 800 cfm Q-jet, with a 3:73 to 1 rear gear & 4 spd. ARP Pro Series Cylinder Head Studs 190-4003. Pontiac Speed Shop 1630 E Northfield Dr #1100 Brownsburg IN 46112 317-671 Feb 6, 2016 · I've read that if you buy new E-heads, you should buy from a Pontiac vendor, who takes bare E-heads, then installs better parts, than what comes from Edelbrock. Price: $29. They can be quite confusing. Don’t forget there are two bonuses when going to the 6X heads over the #15/#64 heads, screw-in rocker studs and 2. Location: Indianapolis,Indiana. 95. B your 100% correct on the heads unloading on me cuz he cant sell he said he had around shop for years he even has a killed Pontiac motor him self and did not use e heads he used kre high ports for his build I think I will hold off and look for the 65cc kuffman heads ill see how she runs with the 62's for now thanks again mr. 99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. d. xtxu lzaz ois fwkymr ypivbnf mqud bcd lrg hlct vzaetj