Brake pads Ferodo or DIXCEL
Ferodo ds 1.11 on my cayman GTS 4.0 seem to last a long time. 1 weekend at COTA which is very brake abusive plus another 3-4 weekends at a less brake intensive track. I drive them to/from the track and swap to ferodo ds2500 for street duty.
I have always ran DIXCEL Z on all my cars. Extremely quiet once you bed them in and has a temp range of 0-850°C with a friction coefficient of 0.67. They're just a bit dusty.
Ive been running the ferodo DS2500 and it seems to work well for occasional track use and mixed daily as well. Not too noisy on my older 911.
Right now I use Ferodo DS 3.12 on RE71RS tires. They are pretty high bite and take some getting used to. I might go a rung lower on the friction scale and go with DS 1.11 next time because of that. But the DS 3.12 are unfadeable and very consistent.
Ferodo DS2500 are a great compromise pad. They’re a bit more on the race side of things but I never had issues with them being sketchy. Just get a bit of heat into them early to make sure they’re there.
I'm going to tell you ferodo DS 1.11. Street driven on them a ton very easy on rotors. Endurance pad, much better than other things I see mentioned a lot like it blows my mind when people think RSL29s are better. I don't have an M3 but I have a 330ci which has the same brakes, and I've had lots of other cars from Corvettes to Mustangs and camaros. Have run that compound a ton.
I think they work just fine. They squealed a bit even after running them in, it stopped however after the first track day where i properly cooked the brakes.
I switched to the Ferodo DSUno. I am satisfied with its performance, but they seem to struggle because of something. Today, after the track day on Saturday, I checked it and found a crack and a gnawed edge. Also, they have uneven wear, about 0.5-1mm difference. The differences are between the top and bottom parts of the pads, front and back parts and on different sides of the same rotor (inner and outer pads). Uneven wear was with the old pads as well. Recently, I installed brake air ducts, and after going out from the track, the temperature was, in the worst case, 480C degree, which looks fine for these pads. In total, I drove for about 3 hours on tracks, one on a wet track (so no hard braking) and two moderately/hard(8-9/10) braking. The brake rotors are also new, Zimmermann blank, installed with pads. The initial thickness of the pads is 16.4mm (with the plate, the plate is 5.5mm, so the "pure" pad is about 11mm) Currently, I have eaten about 4.5-5mm of the pads in 3 hours of tracking.
Recently completed my HPDE and by the end of the day my stock pads were completely gone. Got my front rotors and all my pads replaced soon after that. I went for the Ferodo DS2500 pads. While bedding my pads, I noticed the brake feeling/bite is quite nice when braking at around 50-60% pressure, but once I tried emulating track style braking (i.e hitting brake pedal very hard) I noticed that my brake pedal was vibrating/rattling and also felt some sort of scraping was going on. This would happen even when hitting brakes hard from low speeds of ~30 mph. It's felt entirely on the front brakes. ABS did not engage, so I don't think the vibrations are from that. The obvious visible difference I see is the use of high temp brake lube from the shop.
jai des ds2500 et mes freins sifflent tres fort cest chiant
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