high revs

[Blatman]

4 or 5 speed box, and what are you trying to achieve? What is the car going to be used for?

A 195/50/15 would have a similar rolling circumference to 185/70/13, so by fitting ***/60/13's you have lowered (or is it raised, I can never remember) the gearing slightly, but not by a huge amount.

[peterg]

there is a program on Dave Andrews website which will allow you to play with gear ratios and tyre sizes until you get an answer you're happy with

...it's at

http://hometown.aol.com/dvandrews/index.htm