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Old 06-09-2013, 10:06 PM   #12
partymn

 
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Drives: 2014 1ss 1LE
Join Date: Sep 2011
Location: Goose Creek, SC
Posts: 878
3.91 gears, trapping at 138 in 4th gear with a 28.8 inch tire you would be at around 6295 RPM

4.11 gears, trapping at 138 in 4th gear with a 28.8 inch tire you would be at around 6617 RPM

This is the math behind the whole thing, good luck.

Rear end gear ratio = (tire diameter)(rpm) / ((transmission gear ratio)(336)(mph))
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2014 1SS 1LE, bone stock for now.
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