Pontiac 6x head

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 … WebFeb 19, 2015 · The 455 was discontinued after 1976 and a high-performance 400 took its place in 1977. Rated at 200 hp, the new T/A 6.6 received a compression boost to 8:1 using 350-spec 6X cylinder heads, a unique …

1970 Pontiac LeMans Part 10, 455 Pontiac with 6X Heads …

WebFeb 4, 2015 · lust4speed. Well, I do like 6X's, but my favorite head for a street 455 is the 1971 96 D-port head. 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. The 96's already have the 1.77" exhaust valve as opposed to the 1.66" on the 6X heads. 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 … chislehurst airsoft https://reoclarkcounty.com

Pontiac 6X heads Hot Rod Forum

WebChamber size of heads is given as an approximate CC as is static compression. When examining any Pontiac head today it requires an open mind. All chamber sizes should not be assumed but cc'd to confirm the chamber size. I wish to point out that Pontiac manufactured heads with push-in studs and screw-in studs using guide plates. 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 ... 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 … graph of school bully for 2016

The Power Of The Pontiac 6x Heads: Performance Efficiency And ...

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Pontiac 6x head

Pontiac 455 Engine Buildup - Hot Rod Magazine - MotorTrend

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... Web6S-9 400 w/AIR, 101cc 2.11/1.66" The 6X-4 and 6X-8 were the only heads used after 1976. Stampings on 46 Head Code Just some more codes and sub codes for the 46's.One set is from a "WP" 74 GTO, one set from a 74 "YS" GTO 350 and 1 from a "ZB".Very interesting.All small valve of course.

Pontiac 6x head

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WebJul 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 … 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 ...

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... 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 … Web38 rows · Click Here for Edelbrock Aluminum Head Installation Sheet PONTIAC HEAD …

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 …

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. … chislehurst and sidcup sixth form open dayWebPontiac 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) … chislehurst attractionsWebSep 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. graph of school shootings over the yearsWebOn other sites and pages, I see people with broken studs writing asking what happened. Now you know. It is possible to convert a pressed in stud Pontiac head to a screw in stud but, it is better to pick a head with screw in studs to begin with ( all 6X heads have screw in studs ) to keep you costs down. Remember, this is a low buck build. graph of s and p 500WebSep 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 … graph of sec 2xWebMar 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 ... chislehurst auctionsWebFeb 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 … chislehurst ave blackpool