princetonporsche

Are the rotors the large round discs behind the painted caliper? I heard that the brakes can be damaged if care is not taken during wheel/tire changes. What should I inspect before and after a tire change since flats are inevitable. I understand that replacing the rotor is about 5K per wheel so I would want to know during car pickup if there is a problem caused by the dealership since I don't expect them to volunteer inadvertent damage.

MJSpeed

The rotor is the brake disc...these here are cross-drilled, steel ones...

frayed

roberga

frayed ou made me laugh

leif997

there, there, Frayed, it'll be OK....people gotta start somewhere...PCCB's are a great place

MJones

Locator studs are to be used when changing wheels and two are supplied with the car.

mooty

ABSOLUTELY.

b/c you or the mechanic WILL drop the wheel at some point. i do that almost 50% of the time, but i also change wheels almost every weekend.

if you drop the wheel on PCCB it will crack and chip.

Bill_C4S

True..its just that when you take the care of the track....hit the kitty litter and spray the discs with stones...i have concerns.

MJSpeed

^ Your concern should be why are you going off versus what will happen to the rotors...

frayed

Going off. . . I think this is internet lore. How many of you have actually confirmed a broken ceramic rotor from an off? Even on the supercup cars which get trashed?

I'm betting this line of reasoning was adopted from Porsche's response to the Gen I failures, blaming it on the marbles. For the same reason that their excuse is bullcrap, so is fear of failure from the marbles IMO.

I am familiar with siliconized silicon carbide with carbon fiber reinforcement; I've patented different incarnations of this material for high performance refractory applications. It has exceptional impact strength. Certainly not rivaling iron, but I have trouble believing that gravel is going to kill these rotors.

eclou

It may not fail from a cataclysmic impact, but perhaps could chip and lead to some nice stress risers. Don't they have rear dust shields anyway? Perhaps PCNA could bring back the fabulous Design 90's in a 19" application to shield these babies.

Bill_C4S

If memory serves:

2005 ~Q1, GT3 Gen 1. Not sure on track location.

$30k damage - $20k PCCB replacement.

Offs happen...even if you're Shumi.

You are suggesting some remarkable capacity for car control that is failsafe under all circumstances...including someone dropping fluids?

frayed

No, I'm questioning the paranoia associated with daisy picking and PCCBs. I'd like to see confirmation of a daisy-picking + PCCBs = $$$$, or whether the concerns with gravel are completely borne out of PAGs mishandling of Gen I warranty claims.