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Old 10-23-2014, 04:30 PM   #10 (permalink)
Experienced UAW Mechanic
Join Date: Sep 2014
Location: Bear Lake
Posts: 363
Thanks: 7
Thanked 73 Times in 63 Posts
Something's seriously wrong. Did you start with a comprehensive tune-up and new synthetic lube in the axle? Are you trying to keep up with traffic? Are you doing any drafting?
I have nearly the same thing, but worse aero and no OD, and I'm now averaging well over 30.
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