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Old May 25, 2005 | 11:15 AM
  #1  
mark fisher's Avatar
mark fisher
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4th Gear
 
Joined: Aug 2004
Posts: 4
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Default Performance Axle

Can anyone illuminate me about the performance axle option (vs. stock) with the automatic transmission as far as:
How does it affect 0-60 time?
How does it affect top speed?
How does it affect mileage?
Are there any durablility issues (better/worse than stock)?
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Old May 25, 2005 | 01:07 PM
  #2  
C5 CU's Avatar
C5 CU
Burning Brakes
 
Joined: Mar 2002
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From: highland village texas
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3:15 drive better, respond better from stop and only marginal mpg effect...lots of folks will not buy a used C5/C6 with 2:73s....SOTP is better.
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Old May 25, 2005 | 01:24 PM
  #3  
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sanspeur
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Joined: Mar 2005
Posts: 130
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From: Flagstaff AZ
Default

I have AT and the 3.15, and I get great mileage. I average 25 - 27 on the road and a little over 20 in town. Got 25.4 average on the 4000 mile round trip to Bowling Green in April, with some city driving in the mix.
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