RebekahsZ Posted June 21, 2015 Share Posted June 21, 2015 (edited) Does this wear pattern mean anything? Mostly street driving. No bad pedal pulsing or anything negative behavior-wise. Just swapping tires after landspeed event with about 7 or 8 controlled decels from 150-plus.... But it had this funny pattern even before that event. These are my street rotors and my street pads. Both sides are about the same. Their tale dark spots are at approximately the interval of the cooling vanes. The rears are evenly shiny. Middle photo is rear. Edited June 21, 2015 by RebekahsZ Quote Link to comment Share on other sites More sharing options...
whatnow123 Posted June 21, 2015 Share Posted June 21, 2015 How the hell do you put your rear wheel on? Gotta 8 lug wheel? If the petal doesn't osculate and/or you don't shimmy when you hit the petal, I wouldn't worry about it. It is odd Quote Link to comment Share on other sites More sharing options...
NewZed Posted June 21, 2015 Share Posted June 21, 2015 Are those Nissan rotors or aftermarket? Just looks like inconsistent coefficients of friction. Uncontrolled metallurgy. Probably averages out over a revolution though so if you can't feel it, no matter. Quote Link to comment Share on other sites More sharing options...
johnc Posted June 21, 2015 Share Posted June 21, 2015 Localized hot spots. Typically from an uneven casting. Quote Link to comment Share on other sites More sharing options...
Tony D Posted June 22, 2015 Share Posted June 22, 2015 Yep hot spots, same as you get on clutch surface of the flywheel. Cooling vanes may be thinner and heat up faster than the thick "web" between them. Are you using your parachute to scrub speed? Is there a limited shutdown area that requires hard braking? We would hit the chute and then start braking once below 100... Sometimes waiting until a tailwind dumped the chute behind us. Quote Link to comment Share on other sites More sharing options...
RebekahsZ Posted June 22, 2015 Author Share Posted June 22, 2015 Thanks everybody. Sounds like nothing to worry about. No chute this year, maybe in a year or two. I just found out that Burton Brown is working on a REAL Modified Sports class car with the extended nose and an Indy car engine, so my years as a class record holder may be few. Perhaps he will build a car so sophisticated that he will have reliability/sorting troubles that might buy me a little more time. Quote Link to comment Share on other sites More sharing options...
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