currently running a 28-tooth pinion with 33's and 3.55 diff.
stock was 33 teeth with 235 tires and 3.55 diff.
going to ___? teeth with 33" tires and 4.10 diff.
____________________
Dave Kilian -- Clayton, NC
'96 Dakota CC 4x4 3.9L 5-spd, 4" TM susp. lift, 2" Body lift, 33" BFG MT's
etc...
In a message dated 10/4/00 11:33:36 AM, jon@fast4x4.net writes:
<< Dave, do you know your current tooth count?
_______________________
Jon Smith--Raleigh, NC
www.fast4x4.net
> OK, I've got 33" tires. Going from a 3.55 to 4.10.
> Which speedo pinion gear (how many teeth) do I need to compensate?
>
> The formula I have is this, not sure if it is right:
>
> # of teeth = (265 x tire diameter in inches) / axle ratio
>
> I get 2132.93 using this. Either I'm doing it wrong (I'm an artist by
trade,
> not an engineer), I'm smoking crack, or the formula is wrong. Help anyone?
> thanks! >>
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