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Rear Brake Calipers??

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Old Apr 3, 2011 | 04:34 PM
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Default Rear Brake Calipers??

I have an 08-Z51 and as you know the rear pads only contracts about 1/2 of the rotor.What are my options on (rear calipers & pads only) that will contract the complete rotor ( Like the Z06's).I just put new rotors & powder coated calipers so i do not want to change out the fronts,also ceramic pads,the Z06 calipers will not work,due to my stock rims-Right? I know the fronts do most of the braking

,but in my case i would like more rear brakes also.At the Texas mile at 170 + mph a little more braking is needed.Thanks for any advice.:cheers I also need a new computer,.,.lol,.
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Old Apr 4, 2011 | 07:36 AM
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Originally Posted by dardenken
I have an 08-Z51 and as you know the rear pads only contracts about 1/2 of the rotor.What are my options on (rear calipers & pads only) that will contract the complete rotor ( Like the Z06's).I just put new rotors & powder coated calipers so i do not want to change out the fronts,also ceramic pads,the Z06 calipers will not work,due to my stock rims-Right? I know the fronts do most of the braking

,but in my case i would like more rear brakes also.At the Texas mile at 170 + mph a little more braking is needed.Thanks for any advice.:cheers I also need a new computer,.,.lol,.
Addind more "braking" to the rear will throw off the balance of the car in hard braking. The ABS will engage sooner because the rears will start to lock up sooner. If we didn't have ABS, the rear would want to come around badly.
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Old Apr 4, 2011 | 10:18 AM
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Originally Posted by dardenken
I have an 08-Z51 and as you know the rear pads only contracts about 1/2 of the rotor.What are my options on (rear calipers & pads only) that will contract the complete rotor ( Like the Z06's).I just put new rotors & powder coated calipers so i do not want to change out the fronts,also ceramic pads,the Z06 calipers will not work,due to my stock rims-Right? I know the fronts do most of the braking

,but in my case i would like more rear brakes also.At the Texas mile at 170 + mph a little more braking is needed.Thanks for any advice.:cheers I also need a new computer,.,.lol,.
I always find it curious that some Corvette owners think they know more than the engineers who design the car.

Even if you go with a big brake kit, they're engineered with the same bias front to rear; the front brakes are your major stopping power, and that's by design.
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Old Apr 4, 2011 | 11:34 AM
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Originally Posted by CC Rider
I always find it curious that some Corvette owners think they know more than the engineers who design the car.

Even if you go with a big brake kit, they're engineered with the same bias front to rear; the front brakes are your major stopping power, and that's by design.
In no way do i think that i know more then the engineers Tell me why smart A$$ why did they put the big brakes on the GS ? Only 430 HP & I have 553 HP to the fly.If you think the C6 is perfect,then you need to go back to school,.,.,.
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Old Apr 4, 2011 | 01:18 PM
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Originally Posted by dardenken
In no way do i think that i know more then the engineers Tell me why smart A$$ why did they put the big brakes on the GS ? Only 430 HP & I have 553 HP to the fly.If you think the C6 is perfect,then you need to go back to school,.,.,.
There is no need for name calling; your ignorance is showing!
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Old Apr 4, 2011 | 01:47 PM
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Originally Posted by dardenken
Tell me why smart A$$ why did they put the big brakes on the GS ? Only 430HP
My guess would be because that's what buyer's wanted. Many vette owners wanted the wider body which required wider wheels which required bigger brakes. It wasn't because it jumped up 30hp I can assure you of that.

I'd say get an aggressive set of front pads and nice quality rotors and see what difference that makes. I think you'll be pretty surprised. Keep in mind those rear calipers are like those found on a go kart so put more focus on the fronts as that's where you'll feel it.


*Just noticed you put ceramic pads on. I'd say that's your issue when running full blast at the mile. Those are made for less dust not more braking power.
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Old Apr 4, 2011 | 04:01 PM
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Originally Posted by dave pawlowski
Addind more "braking" to the rear will throw off the balance of the car in hard braking. The ABS will engage sooner because the rears will start to lock up sooner. If we didn't have ABS, the rear would want to come around badly.
Actually Corvettes have something besides a straight ABS. They have dynamic rear proportioning. In 2001 GM removed the proportioning valve/spring and used the EBCM to control rear brake pressure. It uses the ABS functions to adjust rear brake pressure and will allow as much brake pressure to the rear brakes as the tire can handle.

Bill
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Old Apr 4, 2011 | 04:11 PM
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The ceramic pads were probably the biggest culprit if he had trouble slowing from 170 but tires have to be taken into consideration as well. The C6 and C6Z51 brakes are basically the same brakes the C5 had although the Z51 has larger rotors. The C5s did not have trouble slowing from those speeds just using stock calipers and rotors. Car and Driver even ran one of their comparisons between several modded vehicles and the C5 in the mix with stock brakes and semi aggressive street pads stopped from 150 in the shortest distance.

The Texas mile isn't all that hard on the brakes as you do one stop from a very high speed and then wait around for a while and do it again. As long as the brakes are in good condition and have a good pad (not ceramic or some low noise/dust pad) they are sufficient to slow the car adequately. Max deceleration is determined by the tires not the brakes so you can't really get more brake under the car without exceeding the tire's capability. Big brake kits don't stop cars faster they stop them from high speeds more often because they can handle the heat build up better. The stock system is good for one stop from 170 or maybe two in a row but probably not three. A BBK can do it 6 or 7 times.

Bill
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Old Apr 4, 2011 | 06:44 PM
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Originally Posted by LEAVINU
My guess would be because that's what buyer's wanted. Many vette owners wanted the wider body which required wider wheels which required bigger brakes. It wasn't because it jumped up 30hp I can assure you of that.

I'd say get an aggressive set of front pads and nice quality rotors and see what difference that makes. I think you'll be pretty surprised. Keep in mind those rear calipers are like those found on a go kart so put more focus on the fronts as that's where you'll feel it.


*Just noticed you put ceramic pads on. I'd say that's your issue when running full blast at the mile. Those are made for less dust not more braking power.
Thanks,i had just put them on with new rotors.
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Old Apr 4, 2011 | 06:47 PM
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Originally Posted by LEAVINU
My guess would be because that's what buyer's wanted. Many vette owners wanted the wider body which required wider wheels which required bigger brakes. It wasn't because it jumped up 30hp I can assure you of that.

I'd say get an aggressive set of front pads and nice quality rotors and see what difference that makes. I think you'll be pretty surprised. Keep in mind those rear calipers are like those found on a go kart so put more focus on the fronts as that's where you'll feel it.


*Just noticed you put ceramic pads on. I'd say that's your issue when running full blast at the mile. Those are made for less dust not more braking power.
I like that GO Kart,that's what they look like.
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Old Apr 4, 2011 | 07:51 PM
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Originally Posted by CC Rider
There is no need for name calling; your ignorance is showing!
In your reply you are calling 100's of corvettes owner's ignorant.At the Texas mile i did not see ONE corvette with the go kart brakes on the rear.and yes there are engineers at the Texas mile.Anyway have a beer on me.
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Old Apr 4, 2011 | 09:36 PM
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Nothing wrong with the standard brakes: http://www.caranddriver.com/features...ce_cars_page_4
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Old Apr 5, 2011 | 09:48 AM
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Originally Posted by LEAVINU
My guess would be because that's what buyer's wanted. Many vette owners wanted the wider body which required wider wheels which required bigger brakes. It wasn't because it jumped up 30hp I can assure you of that.

I'd say get an aggressive set of front pads and nice quality rotors and see what difference that makes. I think you'll be pretty surprised. Keep in mind those rear calipers are like those found on a go kart so put more focus on the fronts as that's where you'll feel it.


*Just noticed you put ceramic pads on. I'd say that's your issue when running full blast at the mile. Those are made for less dust not more braking power.
You are right,I'm going with Another front brake setup,don't need to be a engineer to figure that out,.Right? Thanks for your reply.
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