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copbait73 copbait73 is offline
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Originally Posted by RarlyL8 View Post
I'm missing something; the numbers seem high to me. Please explain the math behind this chart. Surely a stock 930 does not run a corrected 12:1 C/R.
When I crunch the numbers 7.0 C/R @ 0.8bar = 10.9:1 effective C/R.
Yes, you are close enough for the point of the chart. Looking at the curved lines of effective C.R. the Factory 3.3L TURBO falls at 10.7:1 and the 3.0L. at 10:1
Old 03-08-2008, 07:22 PM
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