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2017 ST
320 Posts
Discussion Starter · #12 ·
You're right, there's not that much difference at normal temperatures. However, as temperatures drop below 65F, you'll find the RT660s are more troublesome than the RE-71R. This is especially noticeable in fwd cars because there's little you can do to get heat into the rear tires.

It's unfortunate that tire evaluations rarely go into temperature effects. The tests are all designed to find out what's the best the tire can do rather than how long it takes to get the tire into good shape.
That seems to be the problem with also heating up the rear tires with a front wheel drive car takes forever. Honestly I’m going to DD the car it might seem some track time but that’s later …
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