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Warped Rotors, Pulling Brakes

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Old May 16, 2002 | 08:04 AM
  #1  
Buck268's Avatar
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From: Troy, MI, USA
Warped Rotors, Pulling Brakes

My rotors are warped, sometimes it feels real bad, sometimes it barely noticeable - but they *gotta* be warped. I'd imagine this is a pretty common problem amoung third gen's seeing as how small the rotors are! I suspect just replacing the rotors will not fix it, just be a temp until they warp again! Without upgrading to larger brakes (1LE or Baer), I dopnt suppose there is a way to help prevent rotor warping?? I *was* going to redo my brake system with PF Z-rated pads, but then i htoiught maybe they will cause worse warping on the new rotors. I am not sure how to handle this, as I really dont have the cash needed to upgrade to 1LE or baer or anything (that would be nice though!), and I think new ones will just warp like these did...
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Old May 16, 2002 | 12:56 PM
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TomP's Avatar
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
You can modify your driving style a bit to help. Say you come off an interstate highway, and there's a red light in front of you. 99% of people will come off that highway at 65 MPH, brake all the way to the red light, and keep their foot on the brake as they wait for the light to turn green. Meanwhile, those HOT pads are heating the heck out of the rotor... and warping it.

When I come off a highway and have to stop, I leave a cushion in front of me; about 1/2 a car. Then, every few seconds, I roll up a few inches, trying to heat the rotors evenly. Don't know if it works, but it can't hurt.

There used to be an article in thirdgen.org's tech section about brake ducting, or brake cooling, maybe it's still there? If not, search yahoo.com for brake ducting cooling.
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Old May 16, 2002 | 02:08 PM
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Jon92TA's Avatar
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From: OC, CA
Car: 92 Trans Am - Sold
If the front calipers are ok, I would check the rear brakes. If they're not working, that means you're overworking the fronts. Check it out.
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Old May 19, 2002 | 07:55 AM
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From: Where the chicks absolutely LOVE the V-8 rumble!
Car: 92 RS - Fully Restored w/Custom Int
Engine: LO3 with some mods
Transmission: T-5
Axle/Gears: 3.42 Richmond
I agree with the earlier post. Excessive hard braking will definitely shorten rotor life. Especially if you live where it stays hot.
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Old May 19, 2002 | 10:20 AM
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Buck268's Avatar
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ok, well,, now this is wierd. I have been trying to brake with more uniformity, and not letting em sit in one spot like TomP recommended. They seem to be less warped... I think my rears are working, as if I jam the brake on from, say 60 mph, down around 30 mph my rear will lock up (just a little nose dive!! ). Anyways, I figure maybe I'll just save up fer a 1LE upgrade, I mean, who couldnt use a little more stopping power, right!
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