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Originally Posted by ValidusVentus
I asked the mechanic the same question while I demonstrated the problem to him (they couldn't reproduce it on their own, but with my own confident right foot I had little trouble). He mumbled something about the friction surfaces probably being worn away, which would seem to make sense. The oil level apparently was ok, didnt check it myself but thatd be a hard thing to measure wrong.
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sounds like they are just guessing. I'd love to see what actually failed. Perhaps post results of the failure analysis after you put the new diff on.
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So rotors can get warped JUST from getting too hot? I thought it was only when not cooled down properly after sessions. And afaik these rotors are only a couple of pounds lighter as a result of their lighter center hats. So no real loss of heat absorbing mass.
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Yes, but I'm not sure you warped them...it is likely just bad wear patterns, even if your mechanic says otherwise. Did you bed your pads properly? And what street pads do you run?
Warping comes from uneven heat distribution. Keeping the brakes on while parked is one way to do it....but if there is a lot of heat in the caliper, it has the same effect. Luckily the beefy rotors on the Z are relatively difficult to warp.