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Join Date: Jul 2005
Location: 12590, NY
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|m20 pwr: "oh yeah baby, pour some acid on my penis"|
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Originally Posted by trs998
I've never seen brake disks (rotors to you americans) warp from high speed braking. My 318 E30 I did two crash stops from 120-or-so in quick succession. The first was fine, the stock solid disk brakes were fading a little one the second. These were about 3 miles apart (the idiot in a merc e-class pulling out in front of me, and suddenly pulling off without indicating)
The damage from this was all 4 brake pads (cheap-ass Jurid pads) failed - cracked.
One subsequently blew it's surface off, causing total brake failure - that was fun!
Anyway. I know you can warp them through overheating, which isn't mch of an issue with one stop from 120. Racing hard on a track I would expect serious brake fade before the disks warp.
The main cause of warping I find is people coming into the pits after racing on a track day and holding the footbrake or handbrake (emergency brake in america?) on as the car sits for a few minutes. This means the disk cools unevenly.
Originally Posted by ldsbeaker
When I did my 160 run in Germany, I kinda eased off the brakes and then put steady pressure on the brakes to slow down for my exit, as we were approaching it VERY quickly. I told this to my parents (I'm 27, but my parents still think I can't drive), and they said, "oh, that's smart, hit the brakes at 150-160, you're going to flip the car". Well, obviously it didn't flip, because I'm here!! I tried explaining that ///M3's are a practically a streetable race car, and they still wouldn't understand.
Point is, I don't think that warped the rotors. Why do they warp? used: I haven't had too much experience, and there are way too many conflicting stories on what will and won't warp your rotors. It's out of our hands.
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