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billjam billjam is offline
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Join Date: Aug 2007
Location: Perth, Western Australia
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I find it hard to believe that such a small amount of extra clearance would make a noticeable power difference. It will make a difference, but think about the physics involved here. The valve opening and closing times and lift are hardly affected by such a small amount of extra clearance.

I'd expect a little more noise maybe, bit I would be looking elsewhere if power loss is noticeable.
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Bill
1988 Carrera - 3.6 engine (with ITBs, COPs, MS3X) and a whole set of turbo body panels waiting in the attic.
Day job ... www.sspowdercoat.com.au
Memories: '68 912, '72 911T, '80 911SC, '84 911, '85 930, '86 930, '87 911
Old 12-30-2009, 05:33 PM
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