Quote:
Originally Posted by tommyduncan
At 55mph with that tire size 4.56s=2658rpms
4.10s= 2390
3.54s=2063
To get that good of mileage I'm guessing someone might have changed your years already.
My best friend owns a gear shop and he told me that 3:31s are available for the DANA 60. He looked it up right in front of me but he might have made a mistake...
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I don't know how to do that math for that BUT like I said in my previous post at 45MPH I am at about 3100RPM with the Dana and 4.10 gears