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x0054's avatar
x0054
Explorer
May 13, 2014

Better Gas Milage and Shift Lock on e-350 based RV?

Hi everyone! We have a 21 foot 1994 Shasta RV based on a e-350 Ford with 460 engine. We are getting about 9MPG, maybe just over, on South CA roads. Any ideas on how to move that up a bit, maybe to ...
Class C
carringb's avatar
carringb
Explorer
May 13, 2014
tpi wrote:
Those downshifts keep the torque converter cooler.


X2 - The E4OD torque converter strategy does not keep the clutch locked in high gear under heavy load. I'm guessing the stock clutch just isn't strong enough to allow that. Once it unlocks, your trans temps will skyrocket. Lower gears reduce the heat generated by the T/C.

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