Pontiac 6x head

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August undefined, 2024

Web91-97 Chevy Olds Pontiac 207 3.4L DOHC V6 "X" CYLINDER HEAD BOLTS (Both Heads) Brand New. C $71.64. Top Rated Seller. Buy It Now. +C $24.24 shipping estimate. from United States. Sponsored. WebPontiac Cast Iron Cylinder Head The port work includes fully ported intake and exhaust ports, deburred chambers, pushrod holes elongated for 1.65 rockers, and removal of …

6x Head ID - Pontiac

WebJun 10, 2024 · The 6X heads have the much needed for a 455 size motor 3 to 4 CC larger Intake port that the long stroke of the 455 ... 73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th ... WebMar 16, 2010 · Technical Articles. Static compression, (C.R.) on a Pontiac is a function of the chamber volume and the engine displacement. If the chamber volume is increased, the C.R. goes down; if the displacement is increased, the C.R. goes up. Following is a listing of the chamber volume in cubic centimeters (cc) of selected Pontiac heads used from 1966 ... software for school scheduling

Pontiac V8 Engine History: 1955-1981

WebPontiac V8 400 Pair Cylinder Heads 6X Firebird Transam etc. Pre-Owned. $435.23. Customs services and international tracking provided. or Best Offer. coalyard-classics (5,354) … WebSep 21, 2024 · Re: Pontiac 6X heads and cam suggestions. by Firechicken » Mon Sep 21, 2024 1:23 am. Check your heads for a secondary stamping on the side boss. 6X-4 is around a 92cc chamber. 6X-8 is about 101cc. For a mild build with factory heads and .450ish lift at the valve, keep the 30 deg. Intakes. cpmotors. WebJan 25, 2013 · When it comes to cast-iron Pontiac cylinder heads, the Round-Ports are the fancy of every performance enthusiast, but the smog-era D-port (4X, 5C, and 6X) castings … slow-food bremen

Pontiac 6x head

Pontiac Cast Iron Cylinder Heads, Ported (Pair) - Butler Performance

WebDec 16, 2024 · It's been a long time coming but we're finally getting a chance to get back to the 1970 LeMans project and get this big blue Pontiac 455 put back under the h... WebApr 11, 2024 · To identify your Pontiac 6x head, you will need to first remove the valve cover from the engine and then locate the casting number stamped on the top of the head. The casting number should be a two letter and five number combination. Additionally, if you look at the side of the head, you will find the “6x” imprinted into the metal.

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WebSep 1, 2005 · When it comes to porting the factory Pontiac heads, H-O Enterprises' Ken Crocie, a recognized Pontiac expert, says "You can't make a Pontiac head big enough. You … WebCustom-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 …

WebFeb 3, 2024 · The Pontiac 62 head casting is an important component of the Pontiac engine, and the question of whether the head is screwed in or pressed is a common one. ... As an example, a 4X or 6X head could have … Web400 Pontiac 6X-8 Pair Cyl Heads Fits 455 Date C288 F087. Opens in a new window or tab. Pre-Owned. $500.00. aandounlimited (487) 100%. Buy It Now. Free shipping

WebAug 3, 2013 · The 6X heads were used on some 350 and 400 Pontiacs. The resulting compression ratio depending on which chamber size you have. Look for the secondary … Web41 rows · High output Pontiac V8 Cylinder Heads. 1962 – 389 SD Code 544127. 1963 – 389 SD Code 543797. 1967 – 400 Ram Air or 428 Code 670. 1967 – 400 Ram Air Code 97. …

WebJun 21, 2010 · 1 Posts. #2 · Jun 5, 2010. the 6x-4 is a smaller chambered head will rase your compression to 8.1:1 they origanially came on the pontiac350 91cc i belive some say 93.74 but i think thats a load of bull you will notice the diffrence and yes the-8 heads are low enought to run a supercharger but i dont know how much boost you would want to run ...

Web91-97 Chevy Olds Pontiac 207 3.4L DOHC V6 "X" CYLINDER HEAD BOLTS (Both Heads) Brand New. C $71.64. Top Rated Seller. Buy It Now. +C $24.24 shipping estimate. from … software for sculpfun s9WebJan 1, 1999 · The 6X heads are popular and plentiful; most '76 to '79 350s and 400s had them as standard equipment. ... Pontiac #96 Head Flow Numbers (at 28 inches of H2O) … software for screen sharingWebFeb 8, 2024 · The Pontiac 6X head mystery is one of the most perplexing automotive mysteries of the 20th century. In the early 1960s, the Pontiac Motor Division of General … slow food brindisiWebMay 10, 2005 · While other heads from the same era may offer satisfactory performance in any given combination, we limited our testing to 4X-7H, 5C-8, 6X-4, 6X-8, and 6H-6 … software for s corp tax filingWebThe 6X head was mounted on the L-78 400 cubic inch displacement engines between 1977 through the final installment of 400 engines in 1979. However, it appeared to many that … software for scrapbooking free downloadWebFind many great new & used options and get the best deals for For Pontiac GTO 2004 2005 2006 6x 6000K LED Combo Headlights + Fog Lamp Bulbs at the best online prices at eBay! Free shipping for many products! software for scrap metal businessWebJul 9, 2008 · 75 Posts. #4 · Jul 5, 2008. The 6X head will give you about 7.6 compression. A few cars around 68-71 have 72 cc chambers that would give you about 10-10.5 to 1. I … software for scrolling text on tv