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 FAQ: Brake Rotors and Pads

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ewolfe0050
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PostSubject: Re: FAQ: Brake Rotors and Pads   Thu Mar 06, 2008 12:26 pm

AA,

I did all my brake and suspension upgrade at the same time so there was a huge difference in braking but I don't know how much the Brembo's contributed by themselves.

I also use Hawk pads with great success. I only have 10-15k on my setup but have seen little to no wear on either the pads or rotors.

One of the reasons I put alot of money into the suspensin and braking is that I want to take it on the auto cross track this summer. My cousin races in several SCCA events and he is my way in. Nothing competitive just want to see what it can do on open track days.
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PostSubject: Re: FAQ: Brake Rotors and Pads   Thu Mar 06, 2008 1:21 pm

I used a set of Hawk ceramics. Not bad, but they made noise sometimes. I got about 30k out of them, which I thought was premature, but I liked how well they stopped the car:

http://rivperformance.editboard.com/suspension-handling-f6/hawk-ceramic-pads--t1054.htm

To me, noise is a huge issue. I'd rather have the quietest pad than the cleanest, or the best performing.

I'm not planning to race the car in autocross, but it would be nice to not have to worry about judder during stops from 80-90 mph. I'd blame the pads, but this didn't always happen, and seems to get progressively worse over time.

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'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
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T Riley
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PostSubject: Rotors - OH BOY! :(   Tue Mar 18, 2008 4:26 pm






high performance scratches???? lol

i changed these 8 months ago frown with ceramic pads .. WISH I DID ROTORS than too neutral
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palermocorey90
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 4:42 pm

sorry to see that. summit racing has rotors on sale 39 bucks
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 4:46 pm

Yep, and your pads will look like this:



You must've been doing some heavy braking. Doesn't it sound cool?

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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albertj
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 5:16 pm

Please tell us-did you disassemble, clean and lube the calipers when you changed pads? Did you lube the pad guides? Did you replace the stainless shims with the ones that (shoulda) came wth the new pads? Did you check caliper hardware (might not be obvious how the pins come out or how to get the rubber boots they slide into out of the calipers)

Depending on your answers I think I can tell you what happened.

Albertj
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 5:28 pm

AA wrote:

You must've been doing some heavy braking. Doesn't it sound cool?

did you REALLY think that it sounded cool?? frown
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 5:30 pm

I only say that because I've done the same thing. I went a bit longer than 8 months, though.

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 5:30 pm

Please tell us-did you disassemble, clean and lube the calipers when you changed pads?
i guess i used caliper cleaner...... and brake cleaner!

Did you lube the pad guides?
NO

Did you replace the stainless shims with the ones that (shoulda) came wth the new pads? YES.............

Did you check caliper hardware (might not be obvious how the pins come out or how to get the rubber boots they slide into out of the calipers)
yup

Depending on your answers I think I can tell you what happened.
i hope so bow


Last edited by 98riviera98 on Tue Mar 18, 2008 5:33 pm; edited 3 times in total
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 5:31 pm

AA wrote:
I only say that because I've done the same thing. I went a bit longer than 8 months, though.

im thinking its just that fact that the rotors are just really CRAPPY and killed my new pads sad sounds like a train trying to stop!
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 5:34 pm

palermocorey90 wrote:
sorry to see that. summit racing has rotors on sale 39 bucks



checkers 27.99
autozone 28.56
napa 43.49
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 6:02 pm

You may want to look into some good rotors. That's what I'm doing. Tired of buying new ones every 35k.

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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palermocorey90
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 6:37 pm

summit racing has drilled and slotted rotors starting at 39 bucks
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albertj
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 6:47 pm

Now that I have seen your answers I think I know what happened.

Short answer is the calipers stuck such that the scraping brake pad was held against the rotor, and the nonscraping pad held away from the rotor, so as to wear out unevenly. I bet the wheels pulled to one side a bit when you braked, too.. Due to caliper being stuck, the amount of stopping done by the non-worn pad was minimal.

1) Caliper cleaner and brake cleaner get enough of the surface dirt off so you can work. You then really have to remove, disassemble and clean the calipers. You will need I think a 17 mm socket for the caliper bolts. They should have yellow loc-tite on them so they should not be that easy to remove.You may need a breaker bar, and you *will* need a torque wrench to reassemble.

Before you remove the calipers, you may want to loosen (not remove) the caliper pins - that way it will be easier to disassemble the calipers to lube them.

You might save hassle by getting remanufactured calipers. You *must* keep your mounting brackets, as in my experience the ones with have the wrong brackets anyway. If you get reman calipers you probly ought to disassemble them anyway (I would leave the piston pucks alone) and make sure they are lubed right.

Do you need instructions on rrbuilding calipers and what not?

Albertj
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 7:06 pm

albertj wrote:
Now that I have seen your answers I think I know what happened.

Short answer is the calipers stuck such that the scraping brake pad was held against the rotor, and the nonscraping pad held away from the rotor, so as to wear out unevenly. I bet the wheels pulled to one side a bit when you braked, too.. Due to caliper being stuck, the amount of stopping done by the non-worn pad was minimal.

if your talking about the pads shown those are AA's after a brake job

albertj wrote:
1) Caliper cleaner and brake cleaner get enough of the surface dirt off so you can work. You then really have to remove, disassemble and clean the calipers. You will need I think a 17 mm socket for the caliper bolts. They should have yellow loc-tite on them so they should not be that easy to remove.You may need a breaker bar, and you *will* need a torque wrench to reassemble.

Before you remove the calipers, you may want to loosen (not remove) the caliper pins - that way it will be easier to disassemble the calipers to lube them.

You might save hassle by getting remanufactured calipers. You *must* keep your mounting brackets, as in my experience the ones with have the wrong brackets anyway. If you get reman calipers you probly ought to disassemble them anyway (I would leave the piston pucks alone) and make sure they are lubed right.

Do you need instructions on rrbuilding calipers and what not?

Albertj

im just going to replace the rotors and pads.... i can do a brake job!... haha thats what i do in school happy
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 8:03 pm

98riviera98 wrote:

im just going to replace the rotors and pads.... i can do a brake job!... haha thats what i do in school happy

i wont say it. its my gross humor. but a brake job isnt to hard. you should paint ur calipers when ur doing it
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 8:22 pm

palermocorey90 wrote:
98riviera98 wrote:

im just going to replace the rotors and pads.... i can do a brake job!... haha thats what i do in school happy

i wont say it. its my gross humor. but a brake job isnt to hard. you should paint ur calipers when ur doing it

haha i can sense your HUMOR.......... lol i did a speech on how to do a BJ (brake job) they are painted!!!!!!!!!!!!! but peeling......... gotta repaint..
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 8:29 pm

those little stress cracks are from heat.... mor common though in a drilled rotor....
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 8:32 pm

TType_Riviera wrote:
those little stress cracks are from heat.... mor common though in a drilled rotor....

not trying to argue but wont the drilled holes get rid of the heat
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 8:37 pm

drilled rotors may disipate some heat but there drilled mainly for the gasses the pad create during braking...the holes alllow for the gasses to escape..... its more common in drilled rotors for those cracks to gather around the holes...

if your worried about heat get a carbon pad....with a drilled or slotted rotor...the more heat the better!! i use the hawk ferro carbon compund... with a good set of drilled powerstops....
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 10:02 pm

Rob, what's the noise level on your set-up?

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 10:53 pm

honestly ive never heard any noise.... except the rears when there cold but thats for a split second after its sat all night...

follow the required burnishing procedure in they should work great..
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PostSubject: Re: FAQ: Brake Rotors and Pads   Tue Mar 18, 2008 11:31 pm

LINK

those are the rotors im buying.
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PostSubject: Re: FAQ: Brake Rotors and Pads   Wed Mar 19, 2008 3:17 pm

congrats they look nice
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PostSubject: Re: FAQ: Brake Rotors and Pads   Thu Mar 20, 2008 12:11 am

those REAR rotors are a bear to get off........... but i have everything off and cant go any further until i have the rotors......... i will take pics of the rotors and painted calipers
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