At what point does going wider with the rims and tires become counter productive?
#1
AudiWorld Super User
Thread Starter
At what point does going wider with the rims and tires become counter productive?
I have a customer that owns a converted widebody S4 that wants to go very wide with the tires to gain overall traction.
At what point is wider too wide, not taking rubbing into the equasion? He wants to stuff a 295 in there. My concern is steering angle and the effects it will have on bump steer.
At what point is wider too wide, not taking rubbing into the equasion? He wants to stuff a 295 in there. My concern is steering angle and the effects it will have on bump steer.
#2
Why aren't snow tires really wide? There must come a point where wider = less traction . . .
couldn't you argue the since there is more surface area the contact patch gets lighter as the tire gets larger?
#5
Re: At what point does going wider with the tires become counter productive?
For lateral acceleration, you're looking for the largest contact patch, not necessarily the widest. I'd guess that anything over 10" is excessive for an audi, and to effectively work that you'd need one hell of a clutch! I'd recommend 18X9's, with good tires, or maybe a 8.5 in the front and wider in the back. Tough call really, check with tire rack
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#9
suspension geometry
a quick search came up with this. Wider is not necessarily better. You need to consider what the car will be set up for..street, road course or straight line drag racing.<ul><li><a href="http://www.ffcobra.com/FAQ/handling102.html">link</a></li></ul>
#10
That makes sense but consider.....
That the tire will now be less flattened (sp?). The contact patch would be wider but now thinner, assuming the same tire pressure is maintained and the stiffness of the tire carcass doesn't play a role.