[Vwdiesel] Speedometer issue

[Tony and Lillie]

The factory size is 175/70-13 or 185/60-14. So, those tires are a bit tall, 
which will cause the car go faster relative to the speedometer.

However, there are different gears also.

Tony Hoffman

----- Original Message ----- 
Subject: [Vwdiesel] Speedometer issue


>
> Does anyone know if there are different gears that drive the speedometer 
> on a 1981 Rabbit diesel pick-up? I changed the transmission from a 4-speed 
> to a 5-speed (code F0) and also upped the rim and tires from 13's to 14's 
> keeping about the same height (as I had 185/75/13, now I have 185/70/14). 
> Now my speedometer appears to be reading a bit low, but I have yet to 
> figure out how much. I believe I can go out on the freeway and see if it 
> matches mile markers, but if it's off how do I calculate the error? Also, 
> if I need a different speedo drive gear, where might I purchase one?
>
> Caleb
>