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Changing transmission top end ratio.

947 Views 2 Replies 3 Participants Last post by  sk8mtpools
Is there any reasonable (cost, time, and reliability wise) way to change the automatic transmission top end ratio to increase hi-way gas mileage?
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Is there any reasonable (cost, time, and reliability wise) way to change the automatic transmission top end ratio to increase hi-way gas mileage?
Ratio parts inside a transmission are all physical hard parts gears and the like which can't be changed by programming. Doubt it can be done without changing the entire transmission, if that's even an option with so many others things needing change i.e; wiring, ecm programming and who knows what else. Possibly by changing pinion gears, but being an all-wheel drive, just researching what would be needed - if parts were even available.
Ratio parts inside a transmission are all physical hard parts gears and the like which can't be changed by programming. Doubt it can be done without changing the entire transmission, if that's even an option with so many others things needing change i.e; wiring, ecm programming and who knows what else. Possibly by changing pinion gears, but being an all-wheel drive, just researching what would be needed - if parts were even available.
Mr.E=MC ratio can be changed by simply changing tire circumference and aftermarket ecm programmer cobb or other brand
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