Duramax L5P Fuel Mileage

Sheepdog78 wrote:
Anyone have any real world experience with the fuel economy of the new GM L5P Duramax in a 3500 DRW?

Nope, but I =did= subscribe to one of Gale Banks' videos where they've totally instrumented a new crate L5P engine and are going to keep pushing it until, as Gale said, "the crankshaft's on the floor or the heads are on the ceiling". :B

Lyle