Guest RAPID TRANSIT Posted April 6, 2005 Share Posted April 6, 2005 What does a 3.15 Performance Axle do the the gas milage versus the standard axle from the factory? Please no loud laughter or jamits. Link to comment Share on other sites More sharing options...
P51tj Posted April 6, 2005 Share Posted April 6, 2005 I'm running 3:15's and get about 26 mpg highway and 18-19 city. if we are out on an ACE cruise the mileage is quite less. : : Link to comment Share on other sites More sharing options...
Eddie44 Posted April 6, 2005 Share Posted April 6, 2005 Tim is right on with the figures. : I won't quote the ACE cruise mileage either cuz ya never know when theres a cop around! : : Link to comment Share on other sites More sharing options...
Guest catbert Posted April 24, 2005 Share Posted April 24, 2005 My 2.73 C5 got 30 on the road. My 3.15 C6 gets 25....sounds about right. Link to comment Share on other sites More sharing options...
Guest DREAM C-5 Posted April 26, 2005 Share Posted April 26, 2005 I have 342's and I get 25 or so mpg Fred : Link to comment Share on other sites More sharing options...
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