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Old 05-02-2018, 03:17 PM   #14
14stu
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Drives: 2014 Subaru BRZ
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Quote:
Originally Posted by CSG Mike View Post
You might be surprised at how hot the wheels get.

Carefully put your hand close to a wheel next time you come off track!
I've nearly burned my hand trying to check tire pressures immediately after coming off track, so I'm painfully aware of how hot rotors get. But the wheels themselves shouldn't heat up too much (not enough to thermally expand enough to loosen a center cap.).

The thermal camera videos of brake cooling tests show the rotor behind the wheels glowing hot and the wheels in front dark and cool but the scale could be too high to read the wheel temps.

I'll have to take some temperature readings next time, I'm not nearly as sure the wheels don't get that hot anymore. I know they could very quickly because I've changed wheels in between sessions and while the tires were warm the wheels weren't.

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