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My van is very hesitant to downshift when I run the 80e program as well. I figured it was one of the ways Jody used to boost fuel economy. I kind of like it as it gets me a little closer to manual transmission-type control. I find if you drop it out of O/D, it downshifts readily.
My 60t tune downshifts much like stock.
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2003 E-350 14-passenger, 3.73 axle, Quadvan 4x4, AIC, TransferFlow 46 gallon tank, DP tuner, DieHard Platinums, PIAA driving lights, 17" Hakkapelliitas snow tires, 18" Continental ContiTrac summer tires, front receiver hitch
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