Re: Re: Which Speedo Pinion Gear? help!

From: Jon Smith (jon@fast4x4.net)
Date: Wed Oct 04 2000 - 20:07:00 EDT


ummmmmmm, suffering from massive brain fart... I've got a few extras in
stock, we'll see what I can come up with during the fan install.... (should
be done w/ mine in a week or two)
_______________________
   Jon Smith--Raleigh, NC
        jon@fast4x4.net
       www.fast4x4.net
----- Original Message -----
From: <Killerdak@aol.com>
To: <dakota-truck@buffnet.net>
Sent: Wednesday, October 04, 2000 1:02 PM
Subject: Re: DML: Re: Which Speedo Pinion Gear? help!

> 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
>
> jon@fast4x4.net
>
> 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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