06-27-2021, 04:32 PM | #29 |
corner barstool sitter
Drives: 08 Mustang GT, 19 WRX Join Date: Jul 2012
Location: Eastern Time Zone
Posts: 6,990
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Every once in a while, a few brake rotors slip through QC with 'cheeks' that are not of uniform thickness all the way around. Unequal heating = unequal expansion = disc thickness variation during operation = a shudder = most people go straight to "warped rotors" even though it's not that. Been there . . .
Rotors that have been overheated may have developed hard spots that can remain even after machining, and they won't wear as fast as the softer regions in subsequent use. So the shuddering returns. Norm
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'08 GT coupe 5M (the occasional track toy)
'19 WRX 6M (the family sedan . . . seriously) |
10-03-2021, 04:31 PM | #30 | |
Drives: rally green LT1 manual Join Date: Jul 2018
Location: Indiana
Posts: 282
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Quote:
I was surprised the brakes started to fade quickly once they got hot. I installed a set of 1LE takeoff wheels and tires though and I'm guessing the extra grip might be more than the LT1 brakes are designed for. |
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10-04-2021, 07:26 AM | #31 | |
corner barstool sitter
Drives: 08 Mustang GT, 19 WRX Join Date: Jul 2012
Location: Eastern Time Zone
Posts: 6,990
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Quote:
Norm
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'08 GT coupe 5M (the occasional track toy)
'19 WRX 6M (the family sedan . . . seriously) |
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