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Old 02-12-2015, 11:07 AM
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Join Date: Aug 2002
Location: Richmond, VA
Cobra Make, Engine: Superformance Mk III / Windsor platform
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Quote:
Originally Posted by dallas_ View Post
2 main motivations. First is you can have bigger brakes. Not a concern for street cars.

Second is there are more tire choices. There are enough 15" tire choices that this really isn't an issue for street cars.

If you're not tracking your car, I can't see any compelling reason to go from 15's to 17's.
I was also thinking of track use. Although I see your points in theory, I think the Avon's hold their own pretty well against most any 17" I have seen and it is hard for me to imagine much better stopping power than I get with the 15" Olthoff "big brake" kit and aggressive pads. One thing for certain - I could be wrong.
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