[Fot] determining differential ratios

[N197TR4 at cs.com]

TR3/4s have 10 tooth pinions. It makes it easy.

41 teeth =  4.1:1

Joe

> I've been told I have a 4:11 differential in my possession.  How can I 
> determine which one it is? Do I count teeth on the pinion gear or what?
> 
> Not the sharpest pencil in the stack....
> 
> Bobby Whitehead
> #53 CVAR Triumph GT6 EP Group2
> _______________________________________________