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Thread: Bedding in pads/rotors

  1. #1
    Senior Member Grass-Passer Alien's Avatar
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    Bedding in pads/rotors

    How/when do you bed in pads? In my case, Carbotechs and newly turned or new rotors.

    The basic how is easy to get...
    http://www.ctbrakes.com/faqs.html#10

    But how do you do this safely during a happy hour or test and tune and not cause a wreck? It says to come to near stops (slow rolling speed). Even doing this off-line, I see this causing issues with other drivers.

    Am I missing something?
    - Gary R.
    '86 Camaro Z28 "KNOCKER"

  2. #2
    Senior Member Carroll Shelby jeffburch's Avatar
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    I have new pads on (CT XP10) and will be bedding 1st thing at TWS.
    I will tape up my duct openings and head over to the slolom road if it isn't congested. Or the tunnel road up to the access road of 6 and back.

    jb

  3. #3
    Senior Member Carroll Shelby GlennCMC70's Avatar
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    for best results, they need to sit over night after bedding.
    i use the local loop 820 service road. 3 hard stops from 30-0 and 3 more from 60-80 to 30-40. i normally do this 1 week before the event.

  4. #4
    Senior Member Carroll Shelby ShadowBolt's Avatar
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    I never wait over night but I do make sure everything cools off completly after bedding in. I've read it's better to use an old pad on a new rotor or a new pad with a old rotor although I don't know why. Stoptech has tons of good info on the topic on their web site.


    JJ

  5. #5
    Senior Member Carroll Shelby
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    Quote Originally Posted by ShadowBolt
    I never wait over night but I do make sure everything cools off completly after bedding in. I've read it's better to use an old pad on a new rotor or a new pad with a old rotor although I don't know why.


    JJ
    All good info but the last time I ran carbotechs, XP12's, I thought the instructions said to go out and do 4 laps at 80% then hammer them for one lap and pit to let cool to ambient...? Things could have changed but...
    Ah, fugg it.

  6. #6
    Senior Member Carroll Shelby
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    I put Hawk HPS's on the Focus this weekend.
    Directions said 6-8 stops from 35MPH...followed by 2 stops from 45 MPH...then let cool for 30 min....and you're set!

    Weird part was that after parking it I went to see how the pads were doing and they sounded like a bowl of Rice Krispies....snap, crackle & pop.

    Those suckers were gassing what they were supposed to and getting their molecular structure juuuust right!

  7. #7
    So Gary, as you can see some of our boys routinely break the law by driving their illegal cars in an illegal manner on public roads :lol: and some chose to break the track rules by driving like maniacs within the track gates :lol: (just kidding guys, I've been guilty of both of the above)

    I've never found it a problem to bed brakes on track during warmup sessions. You do really need to pick your spots and ensure no one is behind you, but I've never had an issue. Some places (TWS for example) have good places to do this off track, but not everywhere does.
    Al Fernandez

  8. #8
    Senior Member Grass-Passer Alien's Avatar
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    Just before the TWS event, I ended up trying to be like Glenn, professional driver on a closed course. Lucky for me, there's a closed course juuuuust outside my subdivision in the form of a long dead end road.

    On the way out of the subdivision, did a few 30-5 stops (not stupid enough to be breaking any speed limits there), then weeeee!!! to the top of 2nd before the dead end on the closed course.
    - Gary R.
    '86 Camaro Z28 "KNOCKER"

  9. #9
    Senior Member Grass-Passer oz98cobra's Avatar
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    The 40mph to 5mph repeat and rinse instruction are written for street cars - if you have to bed on the track, then modify this for the track by moving the speeds up the scale some so you can do it in practice without causing a melee.
    Daron
    AI75 DownUnder Racing

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