mark kibort

yes, and my procedure is serous and will NOT see you pulled over if you do it correctly . autocross wont do it, and even a race day wont do it unless some care is used from the start. bedding sets the stage for the wear pattern. if not done correctly, you will have squealers..........agian, this is 20 years experience here with all sorts of calipers and race pads. NO noise. again, think im just lucky? PM sent.

mark kibort

Your porsche mechanic is not versed in the process of making racing pads not squeal. if you follow my technique, you will not have a squeal... ever. panic stops dont due much. way to short, not enough pressure and the slow speed of the rotor for much of the process , makes the wear pattern WORSE!! please toss out all that information and use my process. you will than, me later. again. this is 20 years of racing and driving the car on the street as well. no squeal! If you want the real process.. PM me and ill send it to you. what you and your "mechanic" are advising wont even make a scratch on the pads or rotors. sorry, race pads are tough materials and take more heat, more pressure and more speed and time, to bed properly.

Gofishracing

Mark- I was wrong RS19 are Black and those I don't think you could keep them quiet.

Jason @ Paragon Products

RS19, RS29, RSL1 & RSL2 are all yellow. These endurance pads are now being grouped under the RSL prefix so you'll now see them referred to as RSL19 & RSL29. Still the same pad but just a new prefix for the endurance pads.

RS14 is black and would be considered a sprint compound.

Gofishracing

correction- I was running RS14 Black Compound- they are screamers E 2707 140 10 ... SPRINT ?! - I didn't know that. Ran them for years.

mark kibort

I think i could... but it might be a task... i was able to make the EBC oranges slilent, street and track on a high performance street car... and i actually bought them from someone that had a prior set and said they made a racket! i took the chance and was very happy. race pads for the street, and quiet as a mouse.
it's all in the bedding... more importantly, the initial bedding.
I could be proved wrong with the RS19/29s, but give it a shot with my method.

OirishKev

OK - So my 2 cents.
Fitted new Brembo Discs and RSL29s to the Cayman R.
Chamfered the pad face to 45 degrees or so on the leading and trailing edges (about 1/8th of an inch).
Used Ceratec grease on the backs and sides of the pad.
I drove the car normally for about 100 miles merely to place a heat cycle through the new discs and to allow them to key up with pad material.
I then began the bedding process as per a contact in the motorsport industry who offered advice for RSL pads.
Discs up to operating temp (300-400c)
10 stops with light to medium pressure bringing the car down from 105 to 35. 250 yard cool downs in between but accelerating quickly back to 105 to begin again.
5 stops 90 to 50 with hard pressure on the brake. Quickly accelerating hard back to 90 and 250 yard gaps inbetween
5 stops of 105 to 35 again with medium pressure. Never brining the car to a stop.
Then I drove for about 3 miles with medium braking pressure as and when needed.
i then drove slowly allowing the car and pads to cool down.

The result? Transformative breaks. I love my car once more and have ZERO squeal!

One.
Happy.
Bunny.

Mike Murphy

Awesome! For how long have you been squeal-free?

OirishKev

Since my last post.

mark kibort

Happy bunny.. there is one way to do it very similar to what my process is. nice work. however, this is a lot more work than my way. ill PM you the process if you want for next time. the good thing is, you broke the code. good for you and yes, here is a reason it worked . i have a story of bedding at the track , when you are forced to deal with a challenge. (new rotors , with old pads and no bedding process abilities on the track..) but, there still a way using one of my techniques. put it this way, just driving on the track in one of our race sessions wont do it.

Jason @ Paragon Products

Great feedback!

Mike Murphy

So, like 4 hours? What about after a week or two of street driving? Does the squeal ever come back or is it gone forever?

mark kibort

if you do it right, the squeal is gone for the life of the pads. this is several months of street driving, as well as racing every month.

TrackDays247.com

I would round off the pad leading edges + some harder (be safe!) stops.

urban2k

This sounds exactly like the PCCB pads on my 991 GT3. Washing my car silences them for about 100 miles, but the noise always comes back. I'm getting my pads replaced today (cooked them during my last DE); hopefully it makes a difference.