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It might be about time to upgrade from my 06 cummins auto with 190000 miles to a new 14 or 15. Just wondering if anyone has any thoughts if the 6 speed manual with 660'lbs of torque gets better mileage than the 6 speed auto (68rfe) with 800'lbs of torque, both with the 3.42 axle. Half of the time the truck will be run empty with the other half pulling my 5000lb tool trailer. Anyone have some direct experience with both maybe with some honest hand calculations? lol
I have always missed my 01 with the 6 speed manual ever since I got the 06 new mostly because of the Mpg and don't want to make the same mistake again cause the new truck will be another 200000 mile purchase.
I have always missed my 01 with the 6 speed manual ever since I got the 06 new mostly because of the Mpg and don't want to make the same mistake again cause the new truck will be another 200000 mile purchase.