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oms930 oms930 is offline
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Join Date: Dec 2006
Location: Winston-Salem, NC
Posts: 72
Originally posted by 930gt-40r
Oms, What piston crown hieght did you use? Did you get custom pistons?
I need to get the exact formula in order to calculate it.
The pistons are 98mm Mahles which have flat tops but I'd need to get the details (numbers) going into the formula from my builder. You may have seen this already, but just in case, here's a thread dealing the compression ratio calculation:
Olli Selander

1989 930 - 3.5l - M48 - G64/51

Last edited by oms930; 04-01-2007 at 02:08 PM..
Old 04-01-2007, 01:54 PM
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