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      04-29-2011, 04:02 PM   #22
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Drives: 2008 E90 M3
Join Date: Oct 2009
Location: St Petersburg, Florida

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Originally Posted by Brosef View Post
a part of that difference, albeit a small one, is the lighter weight of the Z06 and the taller gearing. that's not to say that the discrepancy is excusable, but it's just something to consider.
Also the compression ratio is less in the Z06. Basically the M3 engine is working harder to make the power.
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