Quote:
Originally Posted by Dragncar
Can you divulge the head porter ? .
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Mendoza did the V heads, Whitmore did both IV's.
Quote:
Originally Posted by Dragncar
I remember Dan telling me about a pair of V heads
he had on his bench that were the best flowing on the ex side of any Pontiac head he had seen. Almost 300cfm on the ex. .
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I think 300 might be doable but awfully thin. The test procedure has a lot to do with the flow numbers. Especially on the exhaust side.
Quote:
Originally Posted by Dragncar
He said 300cfm was about it for RAIV heads but did get one pair to 310cfm..
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Max-effort deal around here is usually between 303-305 without moving the pushrod.... 290 is a lot easier.
Quote:
Originally Posted by Dragncar
I would be really to see someone with a worked set of 303 heads on a aftermarket block and see what it would make. Big cubes should help those heads work.
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Agree