Duramax L5P Fuel Mileage
Anyone have any real world experience with the fuel economy of the new GM L5P Duramax in a 3500 DRW?
Forum Discussion
I have an 17 3500 dually pulling a 16000 fvr 8.5 in there some where. I just added banks derringer and air filter, also pedal commander. The truck is total different truck now. Now lag when you step on the gas love it.
