Pontiac 6x head

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August undefined, 2024

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 … WebApr 9, 2024 · If you’re looking to get maximum performance out of your Pontiac 400 engine, ... To make things more simple, he installed a RA IV cam, ported 6X heads, deamon 825 Carb, RPM intake, dougs headers, and a 3-inch pipe in the back. It has 450 horsepower and 500 horsepower plus a combined power density of 500+ feet/lbs.

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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 … 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 ... 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 … floral tichel

pontiac 6x cylinder heads for sale eBay

WebOct 9, 2003 · The 4X head was the 49-state casting used on all '73-74 400 and 455ci engines. Since Pontiac offered the 400 2-barrel, the 400 4-barrel with both manual and … 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 … floral throw pillow coverWebJun 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 … floral tie back crop top

"Webitem 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. " - Pontiac 6x head

Pontiac 6x head

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. 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 …

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WebThe 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 … 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 …

WebAug 10, 2024 · The 6X heads weren't produced until 1976, 4X were 73/74 heads. The 6X is the better of them though. (IMO) There is a secondary code on them that needs to be found. Different chamber volumes, some huge for 455 engines and some small for 350 cid. Most want the smaller chamber for the 400 for a good CR. Pontiac Head ID 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!

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. 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) …

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 …

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 … great slates cambridge mdhttp://wallaceracing.com/headsearch.htm floral things to drawWebPontiac 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. floral throw pillows in eggplantWebSep 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 … floral throne room artWeb41 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. … floral tie and pocket squareWebPontiac 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 … great slave helicopters calgaryWebJan 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 … floral tie front blouse