Pontiac 6x head specs
WebJan 1, 2006 · Standard valve sizes for the KRE D-port heads are 2.11/1.66 inches-this is what our test heads have, and it's the same as Pontiac used on later factory heads. Optional are … WebPorts have a thick roof, wall, and gasket material areas for performance port work. Exhaust port is standard Pontiac D-port configuration. Utilizes standard pushrod location for 5/16″ pushrods. Stock ports flow of …
Pontiac 6x head specs
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WebNov 8, 2015 · 9,732 Posts. #3 · Aug 30, 2015. On Pontiacs you have to know what the installed height is so you can adjust the seat pressure. Use the lightest spring that will give valve train control and a decent installed pressure. Usually less than 115 lbs on a hydraulic flat tappet cam. Pontiacs, in general, have very short valve springs and are ... WebButler Spec Head Gaskets and Water Holes Hyd Roller Lifter Specs and Information Over the years there has been lots of discussion on Pontiac hydraulic retro fit lifters. We have taken the time to display all the specs from each lifter along with general information about variations in Pontiac blocks and camshafts.
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 … WebApr 3, 2011 · Pontiac Valve-Seat Angles Most regular-production Pontiac engines produced during the '60s utilized 1.92/1.66-inch-diameter intake and exhaust valves. Beginning in '67, engineers rolled the valve ...
Web186 rows · Sep 23, 2006 · Never assume that the volume is at stock spec. Always have … 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 have proven a performance bargain.
WebCylinder Head Chamber Volume, cc's. #400 bored .060" %428 bored .060" ~455 bored .060" *Actual displacement of 350. The above figures assume 10 cc for .042" (crushed) head gasket, 6 cc valve reliefs for 400 stock pistons, 5 cc for -. 023" deck height on 4.120" bore and flat top pistons (no dome). To correct for pop-up pistons, subtract dome ...
WebPontiac made closed chambered heads until 1967. In 1967 Pontiac made some open chamber heads(i.e. 061).After 1967 the heads were open chamber heads. ... 1975/79 … the rake blood hour real lifethe rake and riddle menuWebAftermarket Heads. Private manufacturers offer heads that will bolt onto your Pontiac V-8 block. These heads are designed primarily for race use and offer even higher performance than any factory Pontiac heads. Here are … the rake at admiral maltingsWebInformation about PMD heads is still being gathered. What is apparent is that while Pontiac had policies and specifications, both seemed to fluctuate as need be to build engines and … signs cat has wormsWebOct 13, 2016 · So anyway, I'll get to the engine specs Pontiac 461 - bore 4.18, stroke 4.21 Rods length 6.625 9.4:1 compression Edelbrock p65 dual quad/dual plane intake 2 edelbrock 600 carbs 1 5/8 diameter/unequal length primary headers 2.5 x pipe exhaust. Mufflers to be used but not yet purchased 6x heads. Flow as follows Lift Intake Exhaust E/I ratio the rake australian tv seriesWebMar 13, 2014 · However, Pontiac made two different 6X heads in '77. Both have the 2.11/1.66 valves but different combustion chambers. The 6X-8 head was on the 180HP 400s with a 7.6 compression ratio. The 6X-4 heads were on the 200HP 400s with a 8.0 compression ratio. Now to complicate things a little more, the 6X-4/6S head was also … the rake creature wikipediaWebEdelbrock Out of Box and Butler Built Unported Cylinder Heads. Shop Edelbrock Out of Box and Butler Built Unported Cylinder Heads Shop All » D-Port Cylinder Heads (Out-of-the-Box) Edelbrock; Rd-Port Cylinder Heads (Out-of-the-Box) Edelbrock Bare Castings Round and D-Port; View All » Head Builder Series Kits; Victor Pro Port Cylinder Heads signs cheap and fast