Derek Drew wrote:
> 
> Cool! But what I want to do is find out what size tires the factory 6.13
> gear ratio gears would cause us to purchase to have the van have the same
> characteristics as the 25" tires that are original to the 4.86 gears.
> 
> I couldn't find out how to do this with the gearing calculator, so can you
> help?  ...or anybody else, for that matter?
>  

Hi: You might try the gearing calculator at http://www.vmar.com/   It
works a little different. You can enter the tire size by inches. Just
keep increasing the tire size until you get the speeds you want.
-- 
Todd Francis
'86 Westy Syncro
'91 Tristar