For 98-99 (and I assume onwards), the computer picks up the speed from
the rear axle. You can change transmission and rear end ratios as much
as you want, it's all cool, no computer change neccessary. no spedo gear
change. Only a change in tire diameter will require that the computer
be reprogrammed.
"William H. Hiatt III" wrote:
>
> I changed the tires on my truck, so now I have an equivalent of a 3.31 rear
> end. If I want to put 3.92 gears in (I had a 3.55) will this affect the
> speedometer? I have the 4.7L, so I know I can't change the speedogear. Will
> the affect my odometer/speedometer by changing the rear ends?
>
> Thanks
> william
-- -andyhttp://home.twcny.rr.com/andylevy/ --- andylevy@bigfoot.com ------------------------------------------------------------- modesty, n.: Being comfortable that others will discover your greatness -------------------------------------------------------------
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