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Old 07-19-2021, 10:04 PM   #14 (permalink)
DarkJak
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Quote:
Originally Posted by JARblue View Post
OP has a MT so there's no need to move the car every few minutes after hot laps. The e-brake is not leaving any deposits on the rotor surface.

For AT, I don't know why anyone would put it in Park after a hot lap. Just leave it in N and apply the e-brake.
I avoid applying the E brake with my 7AT. Rear rotors get to 650F after cool down and the hat piece is right next to it, which is where the drum brakes are, too.
I have no idea how hot the stock drum pads can get before fusing but have always heard to not use the e-brake after getting off the track.

The 7AT has a parking pawl that locks so you get a transmission brake which has no chance of fusing due to heat.

That said, I don't move my car after it's parked either. Nor do I do it with my E36, which gets almost to just 100F less on rotor temps. While I worry a bit on uneven cooling due to the caliper trapping more heat, it hasn't been enough to crack a rotor.
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Last edited by DarkJak; 07-19-2021 at 10:07 PM.
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