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| Suspension | Chassis | Brakes -- Sponsored by 949 Racing Relating to suspension, chassis, and brakes. Sponsored by 949 Racing. |
| View Poll Results: What to do? | |||
| Just bed in new pads. |
   
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1 | 12.50% |
| Resurface rotors. |
  
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2 | 25.00% |
| Replace rotors. |
  
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5 | 62.50% |
| Other. |
  
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0 | 0% |
| Voters: 8. You may not vote on this poll | |||
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05-09-2018, 03:44 AM
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#1 |
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86 Challenge
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To resurface rotors or not?
I overheated my pads at a trackday, have a pulsating pedal that hasn’t gone away with street driving or trying to bed the brakes again, and I have new track pads to go on. Brake system is currently stock performance package brembos and replacement rotors are $400 each so hesitant to just replace the rotors.
Do I just put on the new pads and bed them? Do I spend the time and money to have the rotors resurfaced? Other ideas? |
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05-09-2018, 04:29 AM
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#2 |
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Senior Member
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new rotors
google 'cementite'. it doesn't go away with turning the rotors. |
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| The Following User Says Thank You to thomasmryan For This Useful Post: | Tristor (05-09-2018) |
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05-09-2018, 09:08 AM
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#3 |
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Little Member
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If it is confirmed whether these PP Brembos are standard STi sized, something like this would be a good replacement.
https://www.oakos.com/CEN-125-47019.htm or https://www.oakos.com/CEN-121-47019.htm Centric blanks in 5x100 STi dimensions for ~100 or 180 a set. They also carry rears. Edit: this thread indicates that standard STi rotors should be compatible http://www.ft86club.com/forums/showthread.php?t=122138 |
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05-09-2018, 11:40 AM
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#4 | |
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Senior Member
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Quote:
Before I had them turned, I thought maybe it was just uneven transfer. I tried re-bedding them : no help. Bought garnet sand paper and spent a bunch of time sanding the rotors to remove any deposits : no help. Had them turned : pulsation was gone. This was stock brakes on my '13 and Carbotech XP10 pads. Before this experience I pretty much thought pulsation was always uneven transfer and very unlikely a warped rotor. Now - as mentioned above - might have been cementite but very superficial, or slight warping... YMMV. |
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05-09-2018, 12:09 PM
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#5 |
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Member
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BBK Time!!!
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05-09-2018, 12:54 PM
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#6 |
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It's a lot less expensive to try machining first.
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