MPG for class C Fleetwood question
My first RV is a 1988 Fleetwood Jamboree 26S, 460 engine with a C6 trans, NO OVERDRIVE. This is a beast, runs great on flat surfaces, but hills and any sort of a incline are a struggle on the engine. Now I am looking to upgrade to a 2000 or newer Class C Fleetwood Jamboree or Tioga with a V10 engine in the next six months. My question, how many MPG's should I expect to obtain with the OVERDRIVE transmission? Any feedback would be greatly appreciated.
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