suitability of RS29 pads for road?

[murcielago_boy]

What's the general concensus about using RS29s on the road... My 996RS has got the floating Alcons on the front.
Reason I ask is whether hardcore road use will ever actually get the pads into a state (temperature, bedded in) where they're delivering proper stopping performance. I fully understand no matter how much of a lunatic you may drive like on the road, it will never ever come close to even a few laps on track..
Also what can you expect from the RS29s when they're NOT bedded in - poor performance? Judder? glazing?

Edited by murcielago_boy on Friday 4th May 12:02

[thegoose]

Only used them on the track and they don't take a lot of warming up, so shouldn't be much of a problem.

However, if you don't think you're going to need all their capabilities, why not go for the less-severe black or blue variants instead? RS29 (and RS19) being yellow.

[domster]

Blue (RS19) is basically the same as yellow. Yellow was meant to be a straight replacement for yellow but with more 'feel'. Some customers preferred the more wooden feel of the old blues, so they are still available but most suppliers won't stock or have recently sold them as the RS29 yellow has superceded them - and that's what people are asking for and fitting.

RS29s are roadable, less bite when cold than standard pads, but still usable.

[DanH]

RS29s have not superceded RS19s. The RS29 has a slightly different design mandate to have more initial bite so they are parallel ranges. This has been investigated in depth on the rennlist GT3 forum if anyone wants verification.

RS29s are ok on the road, but they won't stay bedded in so expect lots of squealing noises. They also need a bit of heat to work as they aren't great on the first couple of applications. After that though they are fine for the rest of the journey. Having said that my ceramics didn't seem much difference as they too were a bit wooden on the first applications.

[Mjolner]

I have just switched from Ceramics to Steels with R29s. I have only done a few hundrew miles so far, but they seem to offer similar performance to the previous set up, but a little less wooden. My ceramics were very noisy, not a peeep/squek from this set up so far. In other words, no isses for road use.

[seawise]

mjolner,

what steel set up have u gone for, floating or standard ? alcons or brembos ? out of interest - i'm having alcons fitted all round next week to replace the pccb's.

[slippydiff]

domster said:

Blue (RS19) is basically the same as yellow. Yellow was meant to be a straight replacement for yellow but with more 'feel'. Some customers preferred the more wooden feel of the old blues, so they are still available but most suppliers won't stock or have recently sold them as the RS29 yellow has superceded them - and that's what people are asking for and fitting.

RS29s are roadable, less bite when cold than standard pads, but still usable.

I'm running RS29s all round with Alcons on the front and 997GT3/Turbo discs on the rear.
The RS29s work fine on the road but squeal heavily irrespective of useage.

I think the rears are the culprit, with road use (no matter how heavy or fast ) they just doesn't get enough heat into them to get them up to their working temperature. Light "check" braking means the very efficient fronts do all the work and the rears do very little IMO.

[domster]

DanH said:

RS29s have not superceded RS19s. The RS29 has a slightly different design mandate to have more initial bite so they are parallel ranges. This has been investigated in depth on the rennlist GT3 forum if anyone wants verification.

OK, they were meant to have superceded RS19s, but never quite did - this info came from Pagid not Rennlist. It doesn't make any difference to the fact that they are more or less the same compound and some customers preferred the old pedal feel.

[gfreeman]

domster said:

Blue (RS19) is basically the same as yellow.

Come on Dom, keep up! Blues are RS4-2 or RS5.

Yeah I know what you meant, just couldn't resist....

[drhildr]

I use them with my Alcon's - no probs!

[thegoose]

I have been told that both RS29 & RS19 are yellow. Ordered 3 sets of RS29 from Rennsport as I've used these before. They only had two in but I accepted them substituting RS19s, which I am expecting to be yellow when they arrive..............

[willr]

slippydiff said:

I think the rears are the culprit, with road use (no matter how heavy or fast ) they just doesn't get enough heat into them to get them up to their working temperature.

I switched back to OEM pads for the rears because the pagids were just not getting enough use and squealing horribly. Still get squeals from the front RS29s, but not as bad.

Brake feel is definitely more wooden than OEM on the road, but the RS29s are just so much better on track...

[DanH]

domster said:

DanH said:

RS29s have not superceded RS19s. The RS29 has a slightly different design mandate to have more initial bite so they are parallel ranges. This has been investigated in depth on the rennlist GT3 forum if anyone wants verification.

OK, they were meant to have superceded RS19s, but never quite did - this info came from Pagid not Rennlist. It doesn't make any difference to the fact that they are more or less the same compound and some customers preferred the old pedal feel.

The rennlist info came from Pagid too Regardless, they are planning to keep selling both. The US rennlisters and race teams all seem to prefer the 19s, at least according to the chap who runs http://rennstore.com/ and seems to supply most of them (great prices too, lower than UK trade).

I quite like the 29s though as the bite seemed similar to the ceramics I mothballed. Maybe I should try the 19s too.

[Mjolner]

seawise - I have solid disks (Brembo?). Parr did the converion. Chose those as I had heard the Alcons would be noisy. The car is fitted with RS29s on the front and standard OEM pads on the rears - Parr claims this gives better brake balance. So far I am happy with the set up, but I have yet to try it on track.

[damianc4s]

willr said:

slippydiff said:

I think the rears are the culprit, with road use (no matter how heavy or fast ) they just doesn't get enough heat into them to get them up to their working temperature.

I switched back to OEM pads for the rears because the pagids were just not getting enough use and squealing horribly. Still get squeals from the front RS29s, but not as bad.

Brake feel is definitely more wooden than OEM on the road, but the RS29s are just so much better on track...

Even on the track there seems to be issues generating enough heat to get the rear RS29 working properly. The recommendation seems to be using Oranges or as you've found the standard OEM pad.

[polarexpress]

Mjolner said:

seawise - I have solid disks (Brembo?). Parr did the converion. Chose those as I had heard the Alcons would be noisy.

LOL... it's the other way around. Parr Brembos are noisy rattlers. The JZM Alcons (current generation) are quiet.

Edited by polarexpress on Friday 4th May 23:28

[domster]

damianc4s said:

willr said:

slippydiff said:

I think the rears are the culprit, with road use (no matter how heavy or fast ) they just doesn't get enough heat into them to get them up to their working temperature.

I switched back to OEM pads for the rears because the pagids were just not getting enough use and squealing horribly. Still get squeals from the front RS29s, but not as bad.

Brake feel is definitely more wooden than OEM on the road, but the RS29s are just so much better on track...

Even on the track there seems to be issues generating enough heat to get the rear RS29 working properly. The recommendation seems to be using Oranges or as you've found the standard OEM pad.

Oranges wear out much quicker compared to yellows.

Dan... just what I'd heard from Pagid UK importer, I'm sure the Rennlist boys are well connected I'm sure there are plenty of stories from Pagid themselves depending on who you speak to anyway. I know that from a marketing perspective I'd want to keep both selling if they were differentiated enough. Funnily, the 29s were massively outselling the 19s in the UK according to my source, so maybe the opposite occurs in the States?

[slippydiff]

slippydiff said:

domster said:

Blue (RS19) is basically the same as yellow. Yellow was meant to be a straight replacement for yellow but with more 'feel'. Some customers preferred the more wooden feel of the old blues, so they are still available but most suppliers won't stock or have recently sold them as the RS29 yellow has superceded them - and that's what people are asking for and fitting.

RS29s are roadable, less bite when cold than standard pads, but still usable.

I'm running RS29s all round with Alcons on the front and 997GT3/Turbo discs on the rear.
The RS29s work fine on the road but squeal heavily irrespective of useage.

I think the rears are the culprit, with road use (no matter how heavy or fast ) they just doesn't get enough heat into them to get them up to their working temperature. Light "check" braking means the very efficient fronts do all the work and the rears do very little IMO.

Further to the above, I replaced the rear RS29s with standard OE 996 C2/4 front pads (different calipers but they utilise the same pad shape) a couple of weeks ago. The car is now completely silent with no reduction in brake efficiency
The front RS29s are totally silent too.

Anyone who wants a set of as new RS29s for the rear of a 996 GT2 (or the front of a standard 996 C2/4) drop me an Email.

Edited by slippydiff on Monday 14th May 19:34

[Pete RS]

Fearnsport fitted RS29's all round on my 997RS last week. I am still running the standard discs. I instantly felt more bite from the pads. The OE pads had, glazed, cracked and were generally a total mess after 4 track days and one trip to the Ring. Touch wood, no noise at the moment.

P