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Old 05-14-2012, 07:40 PM   #216
chain777
 
Drives: Slow
Join Date: Apr 2010
Location: Metro Chicago,Illinois
Posts: 560
Quote:
Originally Posted by LOWDOWN View Post
1) Since when has a reduction in Total Final Drive Ratio (trans/diff/tire diameter) hurt mileage?

'12 Rear = 3.55:1; 285/35 X 19 = 26.9"; 1st Gear = 2.97
'13 Rear = 3.31:1; 285/35 X 20 = 27.9"; 1st Gear = 2.66
.

Total effective ratio drops by about 20%...which only improves economy, and adds the benefit of no shift in the 0-60 sprint. GG Tax is avoided...

>
You say that like it's a bad thing?
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