Thread: 49mpg possible from full size mechanical diesel?
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Old 07-15-2015, 12:59 AM   #60 (permalink)
ocnorb
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Quote:
Originally Posted by ToddT58 View Post
Ocnorb, what rear end ratio did you have?
Both rigs have the original 3.54 gears.

Ive heard of guys swapping 3.07 rears from early Dodge diesel trucks into these and getting 25 mpg pretty easy.
Last edited by ocnorb; 07-15-2015 at 01:02 AM.. Reason: added info
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