Available tires for the oem 18's
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Joined: Jun 2008
Posts: 389
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From: Overland Park, KS
Nope. I haven't looked into it in awhile, but my last car was automatically thrown into SM because I had a chassis brace and strut towers. SM is guaranteed failure.
To stay in D stock I'd have to have wheels with the same width and offset which is going to be hard to find without getting another set of factory wheels. Just not worth the added expense IMO.
The guys on the local scca boards are telling me my car's problem with pushing could be fixed with a wider front tire so maybe the 245 is the way to go.
I could always say in-line front to rear ratio and go 225/45 and 245/40. Those are available sizes for the tires I want but the overall rolling diameter will be off 3.6% from factory. That's going to throw off the speedo enough to notice as well as change the mechanical advantage...not sure whether for the better or worse.
The guys on the local scca boards are telling me my car's problem with pushing could be fixed with a wider front tire so maybe the 245 is the way to go.
I could always say in-line front to rear ratio and go 225/45 and 245/40. Those are available sizes for the tires I want but the overall rolling diameter will be off 3.6% from factory. That's going to throw off the speedo enough to notice as well as change the mechanical advantage...not sure whether for the better or worse.
IE faster excel, and lower top speed. not a hudge difference, but maybe enuf to shave off a few tenths
also a smaller side wall will be less prone to rolling
good luck beating ur buddy
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