Re: General tire question

[Editorgary@aol.com]

In a message dated 10/14/00 3:21:54 PM, jello@ida.net writes:

<<  Right now my speedo
reads 0.83% off, and has 165R15 tires (stock size) but the car also
lists that 185R15's were optional.  Are the aspect ratio's different,
and does anyone know what they are for the old sizes??  I know how to
calculate overall diameters if I have the aspect ratio. >>

Normally, if the aspect ratio is not stated, it is 80.

Cheers
Gary Anderson
Editor, British Car Magazine