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Old 10-22-2025, 06:42 PM   #4
Msquared

 
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Drives: Chevrolet SS 1LE
Join Date: Oct 2019
Location: St. Charles, MO
Posts: 1,722
For the reason mentioned, I would also encourage you to use those 315 Vitours up front. IME they are good track tires but not great for autocross use because of the heat thing. If you've seen of Dallas Reed's posts, their 345mm tires are fine on an 11" wheel, and I think I recall him saying he even used them on a 10" fitment and they worked. Given that, I think they'll work well on a 12" wheel.
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Matt Miller
2020 SS 1LE
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