Quote Originally Posted by nfpgasmask
Wow, that is *quite* a difference. So you are actually going faster than you think. Thats scary. Is there any way to correct this? Or is it just something you live with once you have bigger tires?

And how come I have never heard of this with other vehicles??? Just curious.

Thanks - Bart
Check out the tire calculator at 1010Tire.com in the "tech" section of the home page.
It allows you to compare up to four sizes at a time to stock. Also gives the speedo error in percentage.