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Old 10-03-2012, 09:10 PM
TerraPhantm TerraPhantm is offline
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Location: State College, PA
Join Date: Nov 2004
Posts: 1,892
Mein Auto: 2005 M3 Coupe
Originally Posted by Fast Bob View Post
IMHO, the main reason for switching to a 3.46 would be to expand the engine`s torque range in the middle of it`s band, making around-town driving and back-road corner scratching more enjoyable. The shorter diff *might* shave a tenth or two from the 1/4 mile time, but the difference would not be earth-shaking....
Agreed - though I do think a 3.23 would be the ideal balance between instantaneous acceleration and gear length. I figure there's a reason BMW stuck with that ratio on the E36 M3, which has a somewhat similar powerband.

Last edited by TerraPhantm; 10-03-2012 at 09:11 PM.
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