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Old 02-23-2017, 03:12 PM   #1 (permalink)
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Carbon brake rotors

I was looking to see what it would cost to replace the corvette C5 brakes on the front of my firebird with corvette Z06 ZR1 front brakes which weigh about as much as a saltine cracker.
Well they are about $1,400.
Each, just for a single rotor.
So scratch that idea.

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Old 02-23-2017, 05:43 PM   #2 (permalink)
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Cheap a twice the price. Go for it.
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Old 02-24-2017, 03:20 AM   #3 (permalink)
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And that is one reason why owning such a vehicle would cause me far more agony than pleasure. :/
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Old 02-24-2017, 06:50 AM   #4 (permalink)
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Weight is not the only factor here. Carbon ceramic brakes need to be hot before they work. Normal street driving would be very disappointing- even dangerous.
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Old 02-24-2017, 08:24 AM   #5 (permalink)
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If that is true then how did the brakes on the ZR1 performance package even make it on to a street driven mass produced vehicle?
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Old 02-24-2017, 08:58 AM   #6 (permalink)
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Because it is a "performance" package for a limited production/ special edition car. Just because something is available doesn't mean it works for everyone. Performance parts often make cars less usable on the street.
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Old 02-24-2017, 12:05 PM   #7 (permalink)
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I was told the same thing about ceramic brake pads too when they first started to become more widely available for street driven cars.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
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Old 02-24-2017, 01:05 PM   #8 (permalink)
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Quote:
Originally Posted by oil pan 4 View Post
If that is true then how did the brakes on the ZR1 performance package even make it on to a street driven mass produced vehicle?
Because there are enough people with more money than sense?

I'm having a little trouble wondering just how long those carbon brake rotors are going to last...
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Old 02-24-2017, 01:10 PM   #9 (permalink)
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If replacing cast iron rotors with carbon ceramic rotors anything like replacing steel bearings with ceramic bearings then the life is something like 2x to 4x longer on the ceramic.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
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Old 02-26-2017, 02:19 AM   #10 (permalink)
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The newest generation ZR1 brake rotors use a reinforced carbon ceramic silicon carbide composite.
That just sounds expensive.
These are not the first generation carbon/carbon rotors that wore out quickly and only worked properly when very hot.
Supposedly the old carbon/carbon were better at very high temperature and the newer generation may not be as good at the top of the temperature limit but they are far superior when cold or street driven.

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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
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