Quote:
Originally Posted by ron
nice thread/read Ive been considering a rear end swap myself to improve mpg #s from 410s to 3.73s . I was worried about take off ,you guys dont seem to think its a problem with the higher gearing . But my 99CTD has an auto, do you think this gearing will kill my trans (may need an upgrade soon anyway) plan on pulling a 24ft viewfinder v-nose, so saving fuel is where its at
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3.73s won't kill your tranny. If you are going to go to the trouble of changing your gears, you might want to go to 3.54/3.55 (that still won't kill your tranny). Going from 4.10s to 3.73 isn't much of a change.