My math may be off here, but how about this:
current RPM * (new ratio/3.55) = new RPM
So if you're turning 2000 RPM at 70MPH (about what my 3.55 with 31"
tires does), then with a 3.92 you'll turn 2208. And with 4.10s, 2309
RPM.
Someone smack me if I'm all wrong.
Tim Berry wrote:
>
> Can someone tell me where I can find the differences in RPM's for my current
> 3.55 rear, and 3.92 and 4.10's
>
> I am trying to find what Ill tach on the interstate, and when I cross the
> line in the 1/4
>
> I have 275/60/15's if it makes any difference....
> ___________________
> Tim Berry
> Chesapeake, VA
> 97 CC, 4x2, auto, 318
> Best 1/4: 14.10@96.8
> ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
-- -andyhttp://home.twcny.rr.com/andylevy/ --- andylevy@bigfoot.com ------------------------------------------------------------- "I spilled spot remover on my dog. He's gone now..." --- Steve Wright -------------------------------------------------------------
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