Rotor Vibration

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Jun 11, 2007 | 05:29 AM

#21

nicolaycastro

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From: Miami - FL

Quote:

Originally Posted by RKnight

I had pad deposits on my front Stop Techs after a track event you could not detect by looking at the rotors but it made the whole car shake when braking. The fix was Stop Tech send me a set of Hawk Blues that I made several repeated stops just like bedding in a set of new pads. Cleared it right up.Then I sent the pads back to Stop Tech and they charge $50.00 for the rental.

I think that is deffenetly it, I bought some new front rotors and the vibration went away. But I will keep the old ones as replacement and will defenetly use stronger pads to remove the pad deposit when needed. Thanks for the info.

Ohh and I know better than to use the parking brake after runs.

Jun 11, 2007 | 07:54 AM

#22

betamotorsports

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From: La Habra, CA, USA

Braking style on a race track has a lot to do with how pad material is deposited on the rotors. Two types of braking styles are especially prone to uneven pads deposits:

1. Hard brake application that gets into the ABS.
2. Medium brake application that gets into the brake slowly and then pops off the pedal.

Quote:

Ohh and I know better than to use the parking brake after runs.

And in 16 years of racing I've never had a problem with e-brake application (on those race cars I've driven that had e-brake) after an autocross or track run and none of the folks I've raced with have ever mentioned a problem. If you drive the cool down lap as you should (cooling the car down), e-brake applicaiton shouldn't ever be a problem.