question about cams and ptv clearance

svtshawn82

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Mar 5, 2009
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md
Been searching for info without any luck. Anyone know about how much lift/duration you can run with flat tops (no valve reliefs)? Looking at getting custom grinds since i will be converting to a single turbo, want to get as much as possible out of it. The bottom end is out, so if need to have the pistons flycut i will. Would like to be around .520 if possible.
 

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