Did I screw up my brakes?
#1
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Did I screw up my brakes?
I installed brand new brembo discs and hawp HP+ pads on my FD. I didn't properly bed them in, I just drove normally for 4-5 days, then went to a track day. (I was invited the very morning so I didnt have time to do a proper bed in for the brakes)
the brakes made quite a lot of smoke after the first few runs, then they stopped smoking. I felt that the brakes had less braking power after the first few runs. Still enough to trigger ABS, but I had to press harder on the brake pedal
now after a few more days of normal driving, my rotors look like this. They still brake fine but the black/grey spots won't go away. Is this normal?
the brakes made quite a lot of smoke after the first few runs, then they stopped smoking. I felt that the brakes had less braking power after the first few runs. Still enough to trigger ABS, but I had to press harder on the brake pedal
now after a few more days of normal driving, my rotors look like this. They still brake fine but the black/grey spots won't go away. Is this normal?
#2
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It looks like pad deposit. It's pretty common occurrence when the pads are overheated. Unless you are getting vibrations, don't sweat it, it will diminish with time.
The HP+ are great pads and I use them for street and autoX. However, I strongly suggest a more track worthy pad if you intend on doing more track days. The HP+ friction curve drops like a rock if you get them too hot resulting in a serious pucker moment. Did that exactly once...
The HP+ are great pads and I use them for street and autoX. However, I strongly suggest a more track worthy pad if you intend on doing more track days. The HP+ friction curve drops like a rock if you get them too hot resulting in a serious pucker moment. Did that exactly once...
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Use a Rotor Flexhone or Scotch Brite with brake cleaner to clean off disks and re-bed the pads in. Here is a good bedding procedure you can use.
If it happens again, maybe it is time for pads that are more suited for the application.
http://www.endlessdata.info/Endless%...d%20manual.pdf
If it happens again, maybe it is time for pads that are more suited for the application.
http://www.endlessdata.info/Endless%...d%20manual.pdf
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