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Old 10-29-2012, 03:44 PM   #8 (permalink)
The Dirty330 Modder
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Join Date: Dec 2011
Location: North East Ohio, USA
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CruzeRS - '15 Chevy Cruze LT RS
90 day: 41.29 mpg (US)
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just looked it up 3.55 might be better for quarter miles times beings your acceleration would be better, but for fuel economy you want lower gear ratios.
Rear End Differential Gears Fuel Economy |

And your gearing is probably 2.73

Stock gearing is 2.73
Special option manual trans is 3.08
Special option auto trans is 3.27
from 3.55 gear question

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