Carbotech 1521 vs Hawk Performance HB596F.690 for daily driver?

[tmontague]

Originally Posted by malibuguy

they sold me the xp10s which I believe is a track dedicated pad, but ok enough to drive to and from the track.

with that car I had a dedicated street pads with matched rotors, and then track pads with matched rotors. Basically when I have a track weekend coming up, Id usually swap the track stuff over a few days prior and bleed the brakes and then I make sure everything works on very spirited touge run (they did throw sparks which was kinda cool) then pack up and head to the track. With any NEW track pad, I go thru a multi evening, highway high speed (over 2wice the speed limit), multi-step bed in process. That car would do 120 on the main straight and throw the anchor out for a 45~ right hook. I NEEDED my brakes to work ;)

the only reason I went with them as all my other track buddies with similar sized cars swore by them. Well I dunno. I used the same calipers as with the poterfields, got new discs to dedicate to them and never looked back. Treated them to the same exact bed in procedure.

now days I dont have the same income vs cost of living delta as I used to. so I only do smaller track events or the occasional autoX

hmm, this is interesting feedback as your set up is virtually identical to mine. I use xp10's with dedicated rotors that I swap on and off prior to track day. The only real difference is how I bed my pads in. I sort of skipped Carbotech's procedure and did a similar version that Hawk recommends (due to the CT procedure not being realistic for me on the street). This involved doing a bunch (10 or so) of fast slow downs from about 70km/h to 20km/h and then once that was completed I did about 5 full stops from 90km/h to zero.

Eventually I could smell the brake pads and I could feel the friction increase. Drove it back home using minimal brakes and parked it for the night before I went to the track the next day. The only issue I have had with the xp10's is a slight crumbling on the edges of the pad and what appears to be surface cracks. I emailed CT and they explained that I am likely exceeding the temps of the pads and to increase to xp12 which I will be trying once my 10's wear out.

My local track is similar to your situation just slightly less speed it seems. It involves about 150km/h into a sharp 75 degree corner where I scrub down to about 100km/h within a short braking zone. There is another one of these right after and then a handful of slightly lower speed but really hard braking zones. It is a track that isn't easy on brakes typically.

Thanks for your heads up, it's good to know