[cmcfaul@aol.com]

Yea man, I use a Hawk racing pad recommended from Weston Racing.

I install brand new pads and break fluid before leaving for a DE and at the end of the day the fronts are done (about 25% left). The rears will last for two DE's.

No complaints about the pads or breaking as I have no fade but it would be nice to not have to change pads at the end of the day.

Chris
73 911 E

[racer]

Originally Posted by cmcfaul@aol.com

break fluid

Maybe you should get some brake fluid instead.. :P

That does seem to be a high use rate, but, short of changing calipers, or braking less, you may have to live with the situation for now.

[Mackpipes]

My favorite break fluid is Warstiener.

[Mackpipes]

Good Lord Chris, that's some serious pad wear. My PF-97's have lasted me 11 track days, and still have a couple of days left. Rotor wear wasn't bad either. Although I have to switch them out because I was using crossdrilled Zimmerman rotors. Had they not cracked they'd still be good.

[Chopper Dropper]

That is some serious wear. I would question 1, Pads hanging up, but you are not getting fade 2, The typical White run group threshold braking at every turn. I used pads up a lot quicker when I was in white, now they last a lot longer and my lap times are quicker (ain't that the idea to get quicker lap times?) Suggest you ride with one of the old 911 drivers to see how they get their brakes to last. Dean Drewer, Dan Mchesney george Whitmore etc.
Dirk

[cmcfaul@aol.com]

No caliper hanging. Remember the original subject of post. I rebuilt the calipers twice now. The pad I have left over after day two I drive around on the street until the next DE. Remember the front pads are the same size as the rears, about 2 inches square. Not a lot of pad in the front so I am not supprised I burn through them.

Chris McFaul
73 911 E

[Mackpipes]

I forgot your car has the early small M calipers at both ends. That makes sense that you go through fronts that fast.

[Vicegrip]

Good lord that is some pad wear! I got almost 3 years out of my last set of PF97 S in front and M in rear. Brakes make you slow down, only use them when and as needed.

Dirk is dead on. Look at the other 911s setups and ride with the drivers if you can. Learning from others wrongs and rights is the easy way.

[Charlie Stylianos]

BTW:

}{arlequin was suprised he's almost through his PF-97's after 3 events. Guessing it's an M-caliper thing.

[Don Wohlfarth]

Couple points....
"Ex. (and the speeds are arbitrary, but used to show my point) a Yellow driver at SP in a 1985 911 reaches 110mph on the straight. Begins braking just after start finish (ha ha), ok, early, but not that early, and slows to 30mph for turn one.
In the same car, a red driver reaches 118 mph on the front but only brakes to 48 mph... and in each sucessive corner the speeds are higher due to the skill and confidence of the driver. They drift of the car. They now how much more speed can be carried without fear of going off track, or fear that the guy in front will chooch up. They brake quickly and firmly without "riding" the brake."
What started this thread was Mackpipes bleeding his brakes after every session and rebuilding his calipers 3/4 times in a couple years.
When you apply your brakes you are changing forward motion into heat. With the above example driver A is not changing as much motion into heat and he is doing it for a longer period of time. Very doubtful he will boil the brakes. Driver B is changing more motion into heat in a very short period of time and would be the most likely to boil the fluid because of elevated temperatures.
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"I run stock m calipers on all 4 corners. The same size pad at all 4 wheels and loose nothing in the breaking zone (white group). I do burn through a set of front racing pads per DE but have no fade and a perfect balance between front and rear threshold."
You must have close to the perfect brake set up. Surprised that you don't go thru front rotors fairly quickly. Only people I know that go thru pads after 1 de are drivers with GT3's or Cup cars.