Pontiac 6x head

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August undefined, 2024

WebFeb 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 … 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 …

Exploring The Pontiac 9790071 Heads: Design Performance And ...

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 … 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 … diamondhead nursing home

Nitemare Performance Custom-Ported Pontiac Cylinder Heads

http://wallaceracing.com/headsearch.htm WebFeb 24, 2008 · help pontiac head porting. I am doing up a set of pontiac 6x-4 heads and first time on the bench was very encouraged at low lift flow up to .500 and then port stalls out at 256 cfm at 28". valve 2.11 curtain area at .500 ,3.315 -- Throat 87% area =2.61 MCSA = 2.365. at pushrod first impression is thats the problem but studying the port and ... 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 ... circulatory system controls body temperature

Porting Pontiac Heads - Pit Stop - Hot Rod Magazine

Pontiac 6X heads Hot Rod Forum

WebMay 28, 2013 · 874. 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. 500 hp is a pretty … 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) … circulatory system crossword answer keyWebPontiac 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) 99.7%. +$61.11 shipping estimate. circulatory system deutsch

"WebFind 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! " - Pontiac 6x head

Pontiac 6x head

Porting Pontiac Heads - Pit Stop - Hot Rod Magazine - MotorTrend

WebApr 9, 2024 · Find many great new & used options and get the best deals for For Pontiac G6 2005 2006 2007 6x LED Headlights Fog Light Bulbs Lamps Combo Kit at the best online prices at eBay! Free shipping for many ... Specialty Head Light Bulb. Bulb Type. Headlight. Other Part Number. H9 (high beam) + H11 (low beam) + H11(fog light) Placement on ...

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http://nitemareperformance.com/cylinderheads.html 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 ...

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 …

WebJan 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) … 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.

WebMay 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 …

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... circulatory system cut and pasteWeb91-97 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. diamond head oil \\u0026 gasWeb400 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 diamond head officeWeb41 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. … diamondhead offset sightsWebJul 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 … diamond head oceanfront condosWebMar 12, 2024 · The Pontiac 9790071 heads, otherwise known as the Pontiac V8 6X-4 heads, are a set of cylinder heads that were produced by the Pontiac Motor Division for its Pontiac V8 engines. These heads were used in a variety of Pontiac engines from 1968 to 1974, including the 326, 350, 400, and 455. They feature an offset valve layout, and were … diamond head ocmd rentalsWebitem 8 Pontiac GTO Firebird Cylinder Heads #46 389 400 428 455 ORIGINAL 1969 w/MANiFOLD Pontiac GTO Firebird Cylinder Heads #46 389 400 428 455 ORIGINAL 1969 w/MANiFOLD. $139.00 +$160.00 shipping. You may also like. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- You may also like. diamond head omaha