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YOUR RESEARCHBrakes and rotors
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Adjust right since you
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It takes a while to get them adjusted right since you adjust one side off the brake lever and the other side off the brake shoe spring adjuster.
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I had rotors and pads replaced all the way around at a non-dealer shop.
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Rear OEM rotors: $205 (less frequently changed than fronts)
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What has been your experience with brakes and rotors?
How many miles have they lasted and how much have you paid at the dealer and local P-Car mechanic.
Thanks much and a happy and a healthy Thanksgiving to all.
Gary
2004 C2 CAB
Russ, you can skip the thread titled
Changing Brake Pads-How not to do it.
Actually there is a link in the above thread to a brake pad DIY on RennTech.org that would be helpful.
My worst experience: I had a lip on my front rotors after about 15,000 miles, so I put on new pads (all the way around) and rotors (up front only). Went to 3 DEs, and on the way home from the last one, one front rotor was chewed up a little from vanishing brake pads, i.e., need new front rotors AGAIN. So, in the span of one month I had to get 2 sets of rotors and 2 sets of pads all the way around - and new fluid (twice). 2 front rotors and 4 sets of pads are about $1000 (including parts and labor) at my shop. DOH!
-td
A "lip" on the brake rotor is pefectly fine and is normal. What is important is the thickness of the actual rotor. I believe that new 996 rotors(fronts) are 28mm thick when new and can be used until a minimum thickness of 26.5mm, measued in the middle of the rotor surface, not at the lip.
Also, pads are good until a minimum thickness of about 2mm - 3mm. However, if you track the car DO NOT let them get that thin.
Although the lip is normal, it is also a rough indicator of how much wear your rotor has. If you wear down more than about 2mm on a side, you should probably take them in to be looked at. Some lip is ok, too much lip and you should replace them. Saying you "lipped" your rotor implies you wore them down beyond factory specs. I would guess that 40-50 hours of on-track time should do it
-td
Russ, I replaced mine at 25000 after a combination of street and track use. I did it myself because it is a very simple job.
I plan to continue watching your thread to see how many posts it takes to get your original question answered... haha!
The 1999 C2 daily driver I just purchased had 63K miles on it and (I suspect) original rotors. They were worn maybe .15 inches and the brakes did not feel super solid. I took a look at the calipers and they were great. Amazing piece of gear.
I had rotors and pads replaced all the way around at a non-dealer shop. Parts were $700-800 and it took about 3 hours labor. Don't have total cost because it was part of my purchase transaction.
Rotors are about $500 and pads can vary between $300-700 for all four wheels.
Even more if you want to splurge. Again, my numbers are for daily driving, not racing.
I'd like to hear what labor rates people are paying around the world.
Russ,
I've had the front pads changed at 30k miles as a "precaution" from an independent tech before a DE. I think they were only 50-75% worn but he thought that running on thinner pads at the track could cause heat damage to the calipers. I don't how much truth there is to this but I think he charged me about $240 to do what is essentially a 15 minute job including pads. The next time around I'll just get them myself. I was pressed for time as this was literally two days before the DE and I didn't want to take a chance on failing my tech inspection.
OEM brake parts are actually fairly priced when purchased online...
Front OEM rotors: $243
http://e-partssales.com/Merchant2/me...6BrakesCarrera
Front OEM pads: $121
http://e-partssales.com/Merchant2/me...6BrakesCarrera
Rear OEM rotors: $205 (less frequently changed than fronts)
http://e-partssales.com/Merchant2/me...6BrakesCarrera
Rear OEM pads: $88 (ditto...)
http://e-partssales.com/Merchant2/me...6BrakesCarrera
I purchased a brake bleeder as well and do my own flushes. Just don't get it on the paint!
http://www.trackhaus.com/0109-black-...cts-p-276.html
My suggestion would be to go to Renntech.org and purchase a membership (one time fee). The dough you save by doing this yourself will pay for it many times over.
Good luck,
Tonger
I got about 48K out of my stock rotors. In that time, I went through 2 sets of stock brake pads and 1 set of Porsche Sport pads. The rotors probably would have laster 60K if I didn't switch to Sport Pads. The Porsche Sport pads eat the rotors a lot quicker. I got a lot of heat cracks and grooving with my first set of Sport pads. When I pulled the rotors off, I also found out my parking brake shoes were completely worn out.
I just re-did the brakes a couple DE's ago with all new rotors and Sport Pads for both ends. I did the work myself (brakes on these cars are really easy). Installing the parking brake shoes was the most difficult and time consuming part. You can change rotors and pads in about 10 minutes a corner on these cars. The parking brake shoes on the other hand took over an hour. It takes a while to get them adjusted right since you adjust one side off the brake lever and the other side off the brake shoe spring adjuster. For 4 new rotors, new parking brake shoes, new front and rear Sport Pads, the dealer made me a deal and only charged me $800 for the parts plus an afternoon of my time.
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