The carrier needs to be swapped out on the 8.25" on anything greater than
4.10:1. (I don't know about the 9" diffs) but
At 08:02 AM 08/11/1999 -0600, you wrote:
>good point... I think I need 4.56's since I'm running 285/75/16 BFG AT's
>(about 33") and my 3.92s bog off the line... but I don't know when (if ever)
>I can do the swap...
>
> >
> >Errr, doesn't swapping a 3.55 for a 3.90 w/ bigger tires cancel each
> >other out?
> >
> >3.55's will give decent launch, milage, and towing IMHO
> >3.90's will give good launch and towing and half way decent gas milage
> >4.10's will give great launch and shitty gas milage
> >
> >3.55's 215/75/R15 @2000RPM baseline
> >3.90's 203RPM more than the baseline to achieve the same speed
> >4.10's 311RPM more than the baseline to achieve the same speed
>
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