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11-27-2018, 06:14 PM
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#1 |
    
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Do I need new rotors after 14 track days?
Do I need new rotors after 14 track days?
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11-27-2018, 06:45 PM
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#2 |
 
Drives: 2013 1le 2ss rs black Join Date: Jun 2016
Location: North Java
Posts: 90
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How thick are they? Looks ok to me.
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11-27-2018, 07:03 PM
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#3 |
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Who Needs to KNOW?
Drives: 18 ZLE Join Date: May 2018
Location: Left Side of the Moon
Posts: 1,770
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Check minimum thickness at center of the wear spot - not at the edge.
If within in, send it, if not, replace pads and rotors.
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11-27-2018, 07:21 PM
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#4 | |
Drives: 2018 ZL1 1LE Join Date: Feb 2009
Location: Bettendorf, Iowa
Posts: 617
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Quote:
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 2018 ZL1 1LE "RAZECAR" 2016 2SS Convertible "NOTOPSS" (Sold) 2015 Z/28 #306 "ITZFAST" 2010 2SS Coupe "FASSTER" (Sold) 2002 SS/RS "02FASST" (Sold) 2007 Factory Five Racing GTM "REDBLUR" (Sold) "There are two kinds of cars. Red....and everything else!" |
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11-27-2018, 07:48 PM
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#5 |
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I was set for 4 track days in a row, first 3 went great, then the 4th day was getting some bad vibrations under braking, so was that just pad material build up or something? Stock pads are down to about 50%
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11-27-2018, 09:03 PM
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#6 |
      
Drives: '21 ZLE A10 Join Date: May 2012
Location: Mechanicsville, VA
Posts: 6,808
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they look fine for now...mine were way worse after about 12 track days.
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'21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60'
'17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold) '15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold) '12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold) |
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11-28-2018, 06:41 AM
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#7 |
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Drives: 1LE Join Date: Sep 2017
Location: East Coast
Posts: 1,472
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I tell you what...."yeah you need new ones!" Oh and by the way ship ur old ones to my address AND i WILL DISPOSE OF THEM! lolol....THEY ARE FINE..gotta get a pic of mine
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11-28-2018, 06:50 AM
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#8 |
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Drives: ISO ss 1le Join Date: May 2018
Location: FL
Posts: 764
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Yeah you're fine. The vibrations are probably pad deposits as warping rotors is very, very hard to do. Run an aggressive pad with cold brakes for a few days in a row on the street and it should take care of deposits.
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11-28-2018, 05:05 PM
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#9 | |
 
Drives: ZL1 A10 Join Date: Dec 2017
Location: Wisconsin
Posts: 306
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Quote:
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My rides:
2017 Camaro ZL1 A10 2015 Jeep Grand Cherokee Diesel 2012 Audi S4 1992 Porsche America Roadster 1990 BMW 325Ic |
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11-28-2018, 06:53 PM
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#10 |
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'It's an experiment'
Drives: [COTW 2/09/15] '11 GPI LSA SC Z/LE Join Date: May 2014
Location: Dallas TX
Posts: 8,694
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I’d change pads at 50% since they also absorb/remove the heat. Pads are a heat conductor...
Rotors look fine, agree with measurements in the middle of the rotor but, I ck top, middle, and bottom to see how its wearing ... -Don
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11-29-2018, 04:50 PM
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#11 |
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getting some bad vibrations under braking is the issue now
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11-30-2018, 12:33 AM
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#12 |
 Drives: 2014 Porsche Cayman S Join Date: Nov 2018
Location: CA
Posts: 5
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I don't have a Camaro yet, lurking here, but years of experience on this question. You don't NEED new rotors (as other people say, assuming the dimensions are still OK) but I can promise you you'd enjoy the car more if you changed the rotors, given your vibration problems, which in my experience will be fixed by new rotors. Me, I'd replace them.
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11-30-2018, 07:37 AM
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#13 |
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corner barstool sitter
Drives: 08 Mustang GT, 19 WRX Join Date: Jul 2012
Location: Eastern Time Zone
Posts: 6,990
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Can't tell from the pictures whether I'd be able to catch a fingernail in any of those heat checks. That's at least a crude indication that they're starting to open up a bit.
I think especially if you're not trailering the car to the track, you need to err on the side of caution here. Norm
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'08 GT coupe 5M (the occasional track toy)
'19 WRX 6M (the family sedan . . . seriously)  |
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12-01-2018, 01:08 PM
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#14 |
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They measure right at 33mm with variations depending on where you measure (32 is the discard thickness). I don't think it's pad buildup. Plan is to see if these can be resurfaced depending on cost and per the service manual guidelines. If not I've got new ones ready to replace them. Thanks for your inputs
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