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ZR1 Rear Carbon Ceramic Rotors

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Old 03-26-2018, 09:08 AM
  #21  
s2000Mi
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Got the last 8 of the vin handy?
Old 03-26-2018, 10:11 AM
  #22  
bmiller8
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Originally Posted by hammy_zr1
I have a set used. But willing to let go for a good price. Have measurements and weight if you’re interested.
pm sent
Old 03-26-2018, 12:10 PM
  #23  
Hib Halverson
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Originally Posted by Katech_Jason
Manufacturers are required by law to keep parts available for 10 years after a model year, so that would mean ZR1 rotors are good until 2023. Something doesn't sound right.
With all due respect, Jason, reality is that there is there is no such law requiring vehicle manufacturers to provide 10-yrs of parts support. The existence of such a law is a long-standing myth in the automotive enthusiast community.

That said, like many myths, there is a little bit of fact behind the myth.

The EPA requires car companies to support emissions control systems with a warranty. That the car companies are required by law to do that means they must provide parts support for many emissions controls related parts. Typically, the warranty book which came with the car specifies which parts of the vehicle are covered by an emissions controls warranty.

You should be able to buy a "canister purge solenoid" for any Corvette still under an emissions controls warranty, but if GM decides to discontinue carbon-ceramic brake discs for C6es and no aftermarket source steps in to provide them, well then...those of us with J57 rotors which are under-weight are f**ked.
Old 03-26-2018, 12:20 PM
  #24  
NotreOkc
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Originally Posted by BATMAN06
Mine had a lot of track time and miles on them, they are not completely bad, but I wanted to get a new set.
Hey Batman, I am curious....how much track time do your rotors have on them? I usually only go to the track 1-2 times a year and am curious how soon will I need to start to worry about the rotors needing to be replaced. From your experience.
Old 03-26-2018, 06:34 PM
  #25  
MMEOD85
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According to GM Parts Outlet on line the rotors for J57 brakes are available -
GM Part # Front is 84023643 Rear is 84023644
You can find these both at dealers and on eBay.
Old 03-27-2018, 08:38 AM
  #26  
mirage2991
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Can anyone confirm weather or not the C7 Z06 Rotors will fit?
Old 03-27-2018, 08:49 AM
  #27  
NotreOkc
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Originally Posted by mirage2991
Can anyone confirm weather or not the C7 Z06 Rotors will fit?
It is my understanding the C6 and C7 CC rotors are the same size.

Someone please chime in if I am wrong!
Old 03-27-2018, 09:14 AM
  #28  
MMEOD85
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I believe they are the same GM part # now, so they definitely should.
Old 03-27-2018, 10:13 AM
  #29  
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ok I had heard they were as well but was curious if anyone had tried.
Old 03-28-2018, 10:36 AM
  #30  
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Originally Posted by mirage2991
ok I had heard they were as well but was curious if anyone had tried.
I did some looking, the specs for the front rotor are the same from C6 ZR1 to C7 Z07 (394X36MM), but the rear rotor shows a different size:

C6 ZR1: 380X34MM
C7 Z07: 388X33MM
The following 2 users liked this post by jmc5:
BATMAN06 (03-30-2018), mirage2991 (03-28-2018)
Old 03-28-2018, 10:18 PM
  #31  
c5racr1
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The fronts are the same the rears are different. I tried a test fit with c7 rear rotors and c6 uprights and calipers. Bottom line the rears won’t fit
Old 03-29-2018, 03:49 PM
  #32  
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That is crazy... I hope this gets cleared up soon. I track my car and I will be in the same situation at some point. By not having a rear rotor option, the car is effectively totaled. Can I claim a total loss for the car on my insurance? lol
Old 03-30-2018, 03:14 PM
  #33  
BATMAN06
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Originally Posted by MMEOD85
According to GM Parts Outlet on line the rotors for J57 brakes are available -
GM Part # Front is 84023643 Rear is 84023644
You can find these both at dealers and on eBay.
No body actually has them in stock that I have found. They are listed on numerous websites.
Old 04-20-2018, 10:44 PM
  #34  
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I need a set of ZR1 rear carbon ceramic rotors.
Old 04-20-2018, 11:12 PM
  #35  
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Originally Posted by Hib Halverson
With all due respect, Jason, reality is that there is there is no such law requiring vehicle manufacturers to provide 10-yrs of parts support. The existence of such a law is a long-standing myth in the automotive enthusiast community.

That said, like many myths, there is a little bit of fact behind the myth.

The EPA requires car companies to support emissions control systems with a warranty. That the car companies are required by law to do that means they must provide parts support for many emissions controls related parts. Typically, the warranty book which came with the car specifies which parts of the vehicle are covered by an emissions controls warranty.

You should be able to buy a "canister purge solenoid" for any Corvette still under an emissions controls warranty, but if GM decides to discontinue carbon-ceramic brake discs for C6es and no aftermarket source steps in to provide them, well then...those of us with J57 rotors which are under-weight are f**ked.
It’s very interesting you say that because I’m a service manager at a Volkswagen dealership and we ran into an issue where a customer needed a pods module (air bag related part)for his 9 year old golf and when we and Volkswagen could not get, locate, nor make one we actually had to purchase the vehicle back from the customer. I had a similar situation with Toyota a long time ago but can’t honestly remember what the part was. When we did so I was under the impression it was because we were legally obligated. Maybe because it was safety related or because the manufacturer didn’t want bad press but none the less it happened. The process started with the car being in our service department for repairs and then a case being started with the corporate side. I’m not sure if you want to go through the hoops but you may be able to get somewhere contacting Chevrolet customer support.
Old 05-02-2018, 11:23 AM
  #36  
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Originally Posted by c5racr1
The fronts are the same the rears are different. I tried a test fit with c7 rear rotors and c6 uprights and calipers. Bottom line the rears won’t fit
For the rear, I wonder if changing the caliper bracket to C7 would work?

I have thought about changing over to steel rotors because I want to track my car. I have spoke with a rep at BAER brakes and they are supposed to be checking into this.

I wonder if Brembo has a rotor solution?

Last edited by Jaybird29; 05-02-2018 at 11:25 AM.
Old 05-02-2018, 11:46 AM
  #37  
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Geez, its not that these replacement parts costs are astronomically priced, but the fact that finding the parts are nearly impossible. Somebody remind me why I bought a ZR1. LOL

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Old 05-02-2018, 12:04 PM
  #38  
c5racr1
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The calipers and the uprights are not interchangeable, tried that. I went with the steel brakes from Racingbrakes.com
Old 05-02-2018, 06:20 PM
  #39  
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I think Racing Brake makes a CC rotor that fits the stock CC caliper.
Old 05-02-2018, 06:44 PM
  #40  
c5racr1
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They make a steel rotor, they may have carbon ceramic. Didn’t check


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