View Single Post
Old 07-21-2010, 12:39 PM   #10
Dirty25RS
Scooby Specialist
 
Member#: 56731
Join Date: Mar 2004
Chapter/Region: MWSOC
Location: Akron, Ohio
Vehicle:
2004 STi, 00 Insight
10 Volvo C30R-d 11 F150

Default

I didn't mention nascar.

taller sidewall tires will be better for road inputs like potholes than a smaller sidewall. The width could provide some additional cushion as well.

Sidewall geometry has little effect on wear. Wear can be accounted for with a 95% confidence interval using a math model involving only tread pattern geometry, tread compound stress*strain @ break, unloaded tire tread shape geometry, load, lnflation, & alignment.

I went to the Tire & Rim Association. They dictate what bridgestone and every other US market tire roughly looks like. According to their calculation, a 245/45R17 is acceptable on a 7.5J wheel. a 245/40R17 requires an 8J wheel.


It seems like this question is all the hang up.

Quote:
Whats the widest tire you can put on the stock 7.5" wide wheel and be safe?
According to T&RA its 245/45R17, but I'm asking for some experienced input from peers.
Also according to T&RA 255/50R17 is the minimum aspect ratio for 255mm section width on a 7.5J wheel.
* Registered users of the site do not see these ads.
Dirty25RS is offline   Reply With Quote