I don't have any experience with them, sorry.
I must use stock rotors in SCCA T1. I have been getting mine for $25 each. I can't imagine the cyro treated rotors will last four times longer than these.
But, the cryo ones may last longer relatively in other situations such as auto-x or street use. Not sure.
If you really get the rotors hot cryo won't do squat. The red front rotor in my car picture is a NAPA 25.00 special. They last me 400-500 miles then split without much wear in thickness.
Thanks guys! If you are getting 500 track miles out of a set even when they are glowing like that, then I am sure I will put several thousand track miles on them before cracking them
That brings up another good question. I have been researching pads, and there does not seem to be many options for the stock brakes. I have used Hawk HT10's on another car and really liked them, but they do not make them for the vette. I have also heard good things about PF97's, but they are also not available. I think the PF01 are similar to the HT10 (high flat torque curve that comes in at ambient temp), but they are around $250 for the fronts! I have seen some recommendations on here for Carbotechs. Any advice would be appreciated. Just doing 2 DE's per year.
Kirk,
When I began racing SCCA T1 in 2003, I tried Hawk HT14, PFC01 and Carbotech XP9 front, XP8 rear. Peformance between the three was very similar, with each having a slightly different initial bite, but all three working very well over the course of a 40 minute SCCA T1 race. Cost, however, was not similar. I chose Carbotech for bang for the buck and continue to use their new compound, XP10 front, XP9 rear all through 2004. Very happy with them.
The Carbotech pads last me through about 3 SCCA track weekends with about 4-5 sesssions in each, but some of these sessions are long (40 minute races) and I drive hard on R compound DOT tires. The Carbotech pads dust as do all track pads, but the dust isn't corrosive as some are. Even I am lazy and don't clean my car right after a track weekend, the Carbotech pad dust washes right off.
Carbotech makes a full line of pads ranging from the Panther Plus to the brand new XP11 which I have tried yet, but has won an early 2005 SCCA T1 race. For DEs on street rubber, or for beginners, I would recommend starting with the XP8 front, Panther Plus rear and going from there.
Forum vendor pfyc.com carries the Carbotech line of pads.
I have the Forzen rotors. They are power slots that have been treated. I have 3,000 on them with about half the miles as road course miles. Ran the HP+ at the first 3 events, switched to PFC01. Both pads are nasty dust and noisy as hell, on the street people wonder whats wrong with with your brakes ( Squeeeeeeeeeeeeeeeeeeek), they get quieter when hot.
No Cracks yet after 5 events.
1 at Laguna Seca ( Somewhere in between )
1 at Buttonwillow ( Hard on Brakes )
2 at Willow Springs ( Easy on brakes )
1 at California Speedway ( Hard on Brakes )
Rotors look good as any street car with say 15k on them.
Got talked into them from a M3 driver in our club, Dj pushed me over the edge and I am happy with them.
I just noticed Mid-America (www.madvet.com) has cryo treated rotors for $99.00 each. Any roadracers have any experience with these???
thanks,
Kirk
Call Hal Baer at Baer Racing. They did a lot of research on this subject and do not offer cyro to their customers becuase they feel it is a waste of money...I am very pleased with the 14" CD/S/Z Eradispeeds on my Z06...
Agreed the PFC01s have better bite and Dusty as hell. They should generate more heat. The rotors are still crack free. I would imagine driving style has a bunch to do with it as well.
I will tell you my cryos are still going and my friend swapped his rotors mid way through the 3rd DE weekend.
It's not a big bucks, deal. I just did not want to be swapping them all the time. If you pay twice as much and they last 3 x as long thats a good deal for me.
The PFC01s may be overkill for street cars. I bought them from a guy that had one day on them. He tried to run them on the street and hated the noise and dust. Hard to sell used pads, so $100 for front and rear was a sweet deal for me, I took them off for him and put his stock ones back on. The next set will likely be carbotech based on forum feedback. The Hp+ were not bad though, Motul 660, Drm ducts, phoenix spindel ducts.....Worked fine, just not the big initial bite.
Thank you all for the advice. I think I will try Napa rotors, Carbotech XP9 front XP8 rear, DRM ducts, spindle ducts, and as always Motul 600.
Kirk
Kirk,
That is a good setup.
A comment on the brake fluid as FYI. Be advised the service manual requires a DOT 3 fluid. Most racing fluids exceed this requirement, but are not DOT 3. I have a buddy who had warranty work denied because he had the blue stuff which was obviously not stock. Motul is compatible with stock and visually I can't tell the difference. I used Motul RBF 600 for years and it is a good product, however it is imported. I searched for an American alternative and think I found one last summer, Wilwood EXP 600 Plus. 626F dry, 417F wet. Cost is essentially the same as Motul. I switched and ran the Wilwood at the end of the season and didn't note any difference in performance from Motul.
Not sure if any forum vendors carry this fluid yet. PM and I'll tell you where to get it if you are interested.
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