Quote:
Originally Posted by JRMichler
I drove a 4X4 Colorado AT once. I did one coast in neutral with the engine running, and it coasted about as well as my truck.
I believe that well over 25 MPG is practical. Possibly close to 30 MPG with a grille block, better tires, at least a tonneau cover, and slowing down to 55 MPH.
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I'm sure the 4x4 hampers a bit but think my tires prohibit the coasting more than anything. I have an 05 Mustang V6 that seems to coast forever, so that may be part of the feeling I get when in the truck. I've actually been reading your threads and saw where you did your coasting test.....quite thorough. I was extremely surprised to see just how long you were able to go.
I read where you are running 235/75-15 (if i recall correctly); not sure what your differential gearing is, but given that OD in the auto and 5th in the manual are the same ratio I was curious what RPM you are running at 55 MPH?