245/45/18

DORSET DAVE · Post by **DORSET DAVE** » Mon Sep 18, 2006 9:43 pm

Can someone advise me will 245/45/18 fit my bongo, ignore post under 255/40/18 i was given wrong size's.

trevd01 · Post by **trevd01** » Mon Sep 18, 2006 10:17 pm

Try this calculator

http://www.tyresave.co.uk/tyresize.html

shows difference to be 17mm bigger diameter than 215/65 x15 , about 2.57%. Marginal.

Gra Yorks · Post by **Gra Yorks** » Tue Sep 19, 2006 11:24 pm

This calculator is interesting too.
Gives the difference in road speed when comparing tyre sizes.

http://www.miata.net/garage/tirecalc.html

Indigo · Post by **Indigo** » Wed Sep 20, 2006 7:25 am

well mine are 255/35/20 and my speedo is not out at all! we did have to have some of the bodywork adjusted tho, wasn't a problem as we had a bodykit fitted at the same time!