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Dirt Full Roller

Total posts: 42
posted January 28, 2005 04:53 PM  
Question please on a small block chevy with flat top pistons and a zero deck block, about how much cam lift can you run without slapping the valves against the pistons?

[This message has been edited by mekomod51 (edited January 28, 2005).]

Dirt Roller

Total posts: 9
posted January 28, 2005 06:06 PM  
There are other factors to consider. What type of pistons, specifically, how deep are the valve pockets cut. Also, what kind of heads? Have the heads been milled? If so, straight or angle mill and how much? What size valves? Head gasket thickness? And after all this is said, if you're pushing the limits of lift, valve timing will play a major part. I can give you a ball park if you know this other info. Otherwise, anything less than .500 lift is usually safe.

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