WebGet Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from Speedmaster! Other Shops Sell Ported 240CFM Iron Heads for $1995. Save Some Weight, Money And … WebUltimate Pontiac Head Flows. PONTIAC POWER RULES ! ! ! BACK. Disclaimer: Take these air flow readings with a grain of salt. The readings may be 10% high. ... I think the main purpose would be the air flow comparison between the different heads. ... (1971 465 D-port low compression) Date cast: D011 Grade: l Valve sizes: 2.11/1.77 Intake port ...
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http://nitemareperformance.com/cylinderheads.html WebVictor Pro-Port Raw: These new heads are the ultimate choice for extreme Pontiac race applications. They feature raised intake port openings and extended intake flanges for improved flow, while retaining the stock location, making them compatible with Victor series manifolds and Ram Air IV style headers. philippines mental health stigma
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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 stout 400 cid pontiac motor. I would play to the pontiac engines strength, which is torque. 500 lb ft of torque is doable. 500 hp will be a challenge for a street engine. WebOct 3, 2014 · Pontiac purists have coveted the division's round-port cylinder heads for years. Introduced on the 1968-1/2 Ram Air II, the round-shaped exhaust outlets were intended as a convenience for racers ... WebJul 6, 2009 · Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000 .flw file trunarc basic operator course