Wilwood 6 Piston Caliper brake pad question

[ttypewhite]

I have a Wilwood 6 Piston Caliper question. Is there a replacement brake pad I can use that eliminates the subway train squealing noise when they get warmed up? Or any advice on how to address this problem outside of replacing the brake pads? I called Summit Racing and they said that they don't offer a replacement pad for this, other than the one that comes with the big brake kit. Part# 150-10006K is the Wilwood replacement pad that squeals.

 

[dynoman]

I have them on my car and yes I had the squealing also . I started with the BP20 pads ( which are used for higher speed braking with less fade ) and they squealed at slow speed , as in just coming to a stop / parking . I switched to the BP10's which is the standard pad with the kit and it still squealed , so I just lived with it until I went to service / check the pads and when I did a shim washer fell out and I put it back together without it because I couldn't find it . After the service / check I went for a ride and the squealing has stopped and has not come back , it's been 2 yrs now . The car stops just fine slowing down from +140mph in the 1/4 .
I would check the shimming on the calipers and maybe experiment with the shimming .

 

[ttypewhite]

Interesting... Thank you for your insight. I will give that a check next time I take the wheels off. As you had mentioned. My brakes too stop fine without any noise during regular braking and hard braking. It only happens at the lowest of idle speed when stopping, parking or just applying the brake after creeping forward slowly with no throttle assist. What do you have in the front now for shims if you don't mind me asking? When I shimmed it originally, I believe I did it to center the caliper over the rotor.

 

[dynoman]

It's been a while since I had them off but I believe just 1 shim / bolt

It only happens at the lowest of idle speed when stopping, parking or just applying the brake after creeping forward slowly with no throttle assist

That annoyed me so much pulling into a car show and trying to park !!

 

[dynoman]

I also had plenty of anti squeal on the back of all pads that I tried .

 

[Turbo6inKY]

I have a Wilwood 6 Piston Caliper question. Is there a replacement brake pad I can use that eliminates the subway train squealing noise when they get warmed up? Or any advice on how to address this problem outside of replacing the brake pads? I called Summit Racing and they said that they don't offer a replacement pad for this, other than the one that comes with the big brake kit. Part# 150-10006K is the Wilwood replacement pad that squeals.

This is a bizarre circumstance.

Summit sells me EBC Bluestuff and Yellowstuff for that caliper all day long and six ways to Sunday.

Here's the thing: Wilwood calipers have a pad plate. That's the dimensions of the metal plate the friction material is glued to. That pad plate is standard, and the thickness for that pad plate is part of the pad plate spec.

So, go find the Wilwood docs on your caliper, figure out which pad plate it uses, and then shop for the pad plate, not the caliper. If Summit still gives you a runaround, then call a more specialized vendor like Pegasus racing.

EVERYBODY sells pads for Wilwood's calipers. Everybody. EBC, Carbotech, Hawk, you can find a pad that won't make noise. My EBC BlueStuff and Yellowstuff never make noise. Porterfield never makes noise. Hawk? Several of the DTC compounds are pretty loud when cold. The HP and HPS not so much.

 

[dynoman]

Here's the Wilwood pad dimensions
www.wilwood.com/BrakePads/BrakePadsList?appl=&brakepadsitemno=150-10006K

 

[TurboWh1]

I have the same issue intermittently..... I get a squeak every once in a while. Take a blow gun and blow the $hit out of the brakes. I recommend eye protection and even a dust That will clean up the dust and the low speed squeak should go away for a while. Just had to do this to mine last weekend. Price we pay for good brake performance.

 

[Turbo6inKY]

Here's the Wilwood pad dimensions
www.wilwood.com/BrakePads/BrakePadsList?appl=&brakepadsitemno=150-10006K

And here's the really fun part:

If you have the pad plate dimensions, you will never be unable to get brake pads. Ever.

At the worst, you can have an outfit like sendcutsend make you a pile of pad plates, and then send them to Hawk or Porterfield or EBC, and they will put friction material on them for you. Whatever material you want.

This is a service that will never go away, because it's how race teams get their brake pads made. As long as a manufacturer is supporting race teams, slotting a set of your pads into the queue is not a big deal.