tire size for AP2 rims
Thread Starter
Joined: Jun 2006
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tire size for AP2 rims
So I did a search about this but no one went into enough detail
I'm about to buy a set of Kumho SPT's in stock AP2 size 215/45 245/40 when I come along an old post about people going up to 225/45 255/40.
Now I understand that a wider tire should give you a wider contact patch. What worries me is that the tire is taller than the stock tire. Even more so I'm worried about the tire being too wide. If its too wide you cause the contact patch to arc at high pressures (auto x setup) therefore reducing contact patch.
Anyone have an opinion on this before I spend my money
SPT's are super expensive you know ;-)
I'm about to buy a set of Kumho SPT's in stock AP2 size 215/45 245/40 when I come along an old post about people going up to 225/45 255/40.
Now I understand that a wider tire should give you a wider contact patch. What worries me is that the tire is taller than the stock tire. Even more so I'm worried about the tire being too wide. If its too wide you cause the contact patch to arc at high pressures (auto x setup) therefore reducing contact patch.
Anyone have an opinion on this before I spend my money
SPT's are super expensive you know ;-)
Registered User
Joined: Dec 2006
Posts: 1,321
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From: Burlington, NC
If you want more grip, get the larger sizes. Lots of people have used them with stock suspension/alignment and there shouldnt be a problem with rubbing.
Not totally sure I understand the concern about reducing the contact patch due to pressures. If the pressure is too high to be using all of the tire effectively, just lower it.
Not totally sure I understand the concern about reducing the contact patch due to pressures. If the pressure is too high to be using all of the tire effectively, just lower it.
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