Need some advice, gearing/fuel mileage.
Hey I know we have a big thread on fuel mileage going. I’m considering a 2020 Ram 3500 Crew Cab with the HO Cummins/Aisin and it has the 4.10 gears and it’s a dually. On a test drive it appeared to...
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jdc1 wrote:
Well, let's start with Ohio's 55mph towing speed limit......That alone will improve your mileage by 15% or more.
Not always...depends on the full power train and where it's optimized.
Not sure on the specifics of the Dodge but with a 2008 V10 F250 (I realize it's not apples to apples), running at 55mph has the drivetrain struggling to hold overdrive. Bump it up to 60-65mph and it holds nicely and we get an extra 1 MPG. Much above that and MPG quickly goes back down.
