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camgrinder camgrinder is offline
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Join Date: Feb 2004
Location: California
Posts: 921
The 964 cam is the safe choice as Andy said. They will clear the pistons and the factory 3.0 pistons have adequate compression.
The Cup cams should have 9.5-1 or higher compression and will have clearance problems with 3.0 pistons. You can machine the pistons for extra clearance, but you will lose compression ratio.

I would love to post dyno info on my website. If anyone has dyno sheets with my camshafts send them to me.
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John Dougherty
Dougherty Racing Cams
Old 05-03-2005, 09:22 AM
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