khare
Chats A Bit
Posts: 248 
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Post by khare on May 21, 2018 21:55:32 GMT
Looking for a set of front pads, currently on the car are Mintex 1144 (front and rear) which I very highly rate and never had issues in previous cars. I just fancy a change.
Lots of talk about DS2500, carbone lorraine, carbotech, pagid.
Not interested in EBC, although I wouldn’t mind trying the redstuff.
VERY fast road and occasional track work (one every few months). I’m a very hard and heavy late braker.
Ideally something that lasts some time. The 1144s have lasted me 1 wet trackday and about 5 months.
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Post by atlex on May 22, 2018 7:27:47 GMT
I'd only suggest redstuff for rears. Mostly because they don't do that much and the redstuff is low dust.
I've used DS2500 fronts in combo with redstuff rears, it's been good.
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Post by wannabe on May 22, 2018 7:56:12 GMT
I've used Pagid Blue (RS4-2, I think their reference number is), Carbone Lorraine RC5+ and Hawk HP+ on various cars (the Hawk's on the 5). I'd buy all of them again, as they are all very good across the wide range of on-road temperatures (i.e. from below zero in winter to a high-speed run across country or even track work). I've not really given the Hawks the full beans on the road because I'm still learning RWD and the car never seems to be running right   but they have great bite at normal road speeds, they are very confidence inspiring. The RC5+ were insane - you could keep your foot in one position and the retardation would get stronger as they warmed up from cold lol. I'm trying to think if I did any track work with them - I'm pretty sure I did, and there were no issues with fade. The blues were also great from cold and fade-resistant when under pressure, IIRC I read somewhere that they were OEM pads on Lambos at some point? All of the above I'd buy again, although all of the above are likely to be £200+ for a full set! |
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khare
Chats A Bit
Posts: 248
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Post by khare on May 22, 2018 19:34:14 GMT
Thanks chaps. The DS2500 and CL RC5+ I’ve wanted to try for a while, especially the DS2500. In terms of adjusting the brake bias using different pads, how would you go about it? I want some more rear braking, would you go for a softer rear pad or a harder one? Ie; RC5+ front and RC6 rear?
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khare
Chats A Bit
Posts: 248
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Post by khare on May 22, 2018 19:38:03 GMT
Another question, rear calipers. I know fronts can be upgraded to Subaru 4 pots using a bracket, can the rears be upgraded at all? I find the lack of self adjusting calipers an absolute pain, every 3 weeks I’m under the car winding the calipers in so I get rear braking.
I heard certain Saab calipers are a direct swap?
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Post by howardb66 on May 22, 2018 20:44:19 GMT
Agree with wannabe, Ive had 1144s which were good, DS2500s which were better, then RC5+ which are simply epic.
The rest of the braking system is completely std Mk2.5 sport & the balance seems to be good.
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Post by atlex on May 22, 2018 22:11:16 GMT
the MK2.5 brake setup is already over-over-kill. It'd still be suitable for a heavier car even.
Please excuse the sidetracking^
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Post by Horney on May 23, 2018 6:09:25 GMT
Standard 2.5 brakes and Rodders pads.
Nothing works as well as that set up until you start buying £500 pairs of brake pads. I’ve never been able to get a set of Rodders pads to fade, even on the Skuzzle Turbo Endurance Race Car.
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Post by FFS Corders on May 23, 2018 6:17:03 GMT
Not that it is possible to find them anywhere, but Axxis ULT lasted me for a long time and were fantastic both on track and road. Literally just fitted Rodders pads last night so looking forward to seeing how they compare
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Post by wannabe on May 23, 2018 9:06:41 GMT
Thanks chaps. The DS2500 and CL RC5+ I’ve wanted to try for a while, especially the DS2500. In terms of adjusting the brake bias using different pads, how would you go about it? I want some more rear braking, would you go for a softer rear pad or a harder one? Ie; RC5+ front and RC6 rear?
That makes my brain hurt lol
The very high temperature/performance pads (RC6, RC8, etc.) are varying levels of crap when stone cold, so I would never recommend running pads with that sort of behaviour on the road. The previous set of pads that came with my car were appalling when cold - zero bite, zero friction, and if a kid ran out in front of the car from behind a wall (for example) I seriously don't think I would have been able to stop. I had a near miss at one point, which prompted me to get the plastic out and finally upgrade to the Hawks.
Having awesome stopping performance on a balls-out cross-country run is all well and good, but that's not when accident happen 'suddenly', because you're paying full attention and planning ahead. Most accidents happen with 3 miles of home (IIRC) because we switch off due to familiarity, and it's at this point in time that you need really good cold brake pad performance.
It's a struggle to find graphs of brake performance (mu/friction level vs temperature) as not many places publish them, but IIRC the Hawk HP+ have a mu coefficient of about 0.46 from as low as 100 degrees centigrade. I think the RC5+ are similar in that regard, and both might tail off in performance at much lower temperatures than other pad options, but if anyone is getting their brakes to over 400degreesC on the road, one could argue that perhaps there needs to be some reconsideration of driving style...!
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Post by atlex on May 23, 2018 9:38:03 GMT
prop valve (wilwood make them, as do others), adjusting it until the rears lock up, then back it off a little, from what I recall.
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Post by wannabe on May 23, 2018 10:03:52 GMT
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Post by mrwallace on May 23, 2018 11:46:27 GMT
Not that it is possible to find them anywhere, but Axxis ULT lasted me for a long time and were fantastic both on track and road. Literally just fitted Rodders pads last night so looking forward to seeing how they compare I used Axxis ULT's for about 6 track days last year and had no issues with them but when I inspected them at the end of the year they had started to crumble.
I've been running rodders pads this year for sprints and hillclimbs and did my first track day last weekend (which is much harder on the brakes), they performed equally if not better than the Axxis pads, hopefully they last too but so far don't seem to give off much dust either.
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Post by FFS Corders on May 23, 2018 12:29:54 GMT
Wow, thanks for that. Potentially that makes them more of a 1 or 2 trackdays a year all rounder if 6 trackdays did that to them
Out of interest, what kind of discs are you using (as in, solid/vented/grooved etc?
Good news about dust from the Rodders pads. I found the Axxis to be fairly dusty, with the mintex 1144 I had before much worse so will be nice to have less of that
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Post by mrwallace on May 24, 2018 11:58:43 GMT
That was just trackdays too, I drive to the track but other than that it doesn't get used. However they were still working, was just surprised when I pulled them out to service the brakes!
It's normal 1.8 brakes with standard plain discs (vented front, solid rear I think) - the cheapest ones from autolink too!
They work very well, I can outbrake a lot of cars with more expensive setups.
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but they have great bite at normal road speeds, they are very confidence inspiring.
le sigh