The "ideal" ratio correction would be a 205/75 15 
tire. 215/75 15 is slightly low but with the 
Jetta Speedo you are still closer than leaving the original speedo in place.

Bj�rn

At 12:19 PM 03/10/2006, BenT Syncro wrote:

>Bj�rn,
>
>Just the use of 15" wheels and tires do not guarantee height difference (and
>corrected speedo in this case). It will depend on the aspect ratio of the
>tires. For example, if you simply go to a "plus one" size, the total height
>remains about the same.
>
>BenT

Bj�rn Ratjen, Ph.D.
Cobble Hill, B.C.
phone/fax (250) 743-7575