Originally Posted by tnmtn
I get 17-18 mpg's with the 5 speed manual in my F-350. This is one of the reasons I said the manual would be a bonus in the truck. Good info on the milage with other transmissions.
That C-6 of mine sucked. I always wanted a fourth gear. The E40D was better put still had it's issues with frying the clutches without the torque converter lock-up mod. If the truck hadn't of died, then I was going to put a gear vendors splitter behind the transmission to help it out.