Quote:
Originally Posted by Scott Stoneburg
I used this chart that was supplied with the piston (Diamond) i have seen other manufacturers use different multipliers. What brand pistons are you using?
I would also add .0015-.002 like Stave suggested due to the block being filled.
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Ross from Butler so they have those larger valve reliefs that I wish they did not have.
I have seen some charts like yours on the net, the Diamond chart has more options so I like that. Still have not seen one for filled blocks so I am going off conversations with Dan years ago that I can not double check (RIP Dan)
I would think that more Pontiac guys filled their blocks due to no aftermarket blocks being available for so long where the chevy and Ford guys just bought a race block.