Stock pads are worthless on track!

[SVO MkII]

"Out there just to have fun" for a 20-year HPDE veteran is still likely to be pretty hard as far as the brakes are concerned. Certainly well beyond what this backward-venting was intended to be coping with.


Norm

I can attest that there is a world of difference in how well equipment performs, based on how the driver is using it. A buddy of mine had a 2006 Cayman S that he used for some HPDE. He was running street pads, had participated in at least a half dozen track days, and still had almost half the pad left. In comparison, my 951, which had comparable weight and power, would go through a set of Hawk Blues in a weekend of track use. The difference? I was about 10-15 sec a lap faster around Road America in a car that all things being equal, should have been slower than the Cayman. But I used the brakes for everything they had. My buddy was out for a Sunday drive.

I'm sure if you "take it easy" on the stock 4 piston brakes/rotors, they will be fine, especially with track pads and Motul 600/660. But, if you want to push the car hard, you will need to get air to the rotors. Externally vented rotors will never be able to receive the level of cooling necessary to hold up to this...IMHO.

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[ihasnostang]

I had the EB PP to Road America this weekend. Not a great experience. It was far from an ideal weekend weather wise. The high was 38 deg (yes, Fahrenheit) yesterday, and it rained essentially all day. When I left on Thurs, they were forecasting some rain for Saturday too. In light of this, I didn't bother to swap in my track pads, and I put my Blizzak LM-32s (V speed rated) back on. As luck would have it, today actually turned out to be sunny and dry. In case anyone was wondering, winter tires are not ideal on a dry, sunny day :doh: But the real downer was the brakes. After two laps the pedal started getting soft. I thought this was strange, given my prior experience with my Porsches, but I kept going. By the 5th or 6th lap, I pushed the pedal clear to the floor braking for turn 1. That was it. Day was done for me. I've been doing HPDE for over 20 years and when I lose confidence in my brakes, I stop driving. When I came into the pits, the brakes were smoking pretty heavily. I know I boiled the fluid. It looks like fluid may have seeped out of the caliper, which seemed really odd too. The pedal is spongy, so I know I need to bleed them now. I sure hope I didn't damage any seals inside the caliper. That would suck

I will put Motul 660 in for my next track day, plus appropriate pads. I think I may also remove the inner dust shields. I can't see how these are a good idea. Eventually, I need to swap the rotors for "normal" inside vented ones, and install some cooling ducts.

i live in MN and this is exactly what/where i want to do when i get an eb mustang. i didnt see if you had the eb performance package

 

[SVO MkII]

i live in MN and this is exactly what/where i want to do when i get an eb mustang. i didnt see if you had the eb performance package

Yes. That's what the "PP" stands for in the signature ;)

I should add that I upgraded my front brakes to the GT PP 6 piston Brembos and 15" rotors. Much better!

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