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I have a friend who was mentioning Performance Friction rotors for the Integra and mentioned that if there was enough interest, he would consider having some made for the S2000. I'm no engineer or hard-core racer (just a n00b who caught the bug ) so wanted to get your opinions on whether something like this would be valuable.
Here's a pic of the rotor:
Their website (Performance Friction) doesn't have much info on it, but I was able to get this from a bimmer website:
* Made from High Carbon Alloy with copper and molybdenum for high temperature strength and stability
* Vanes (all 47) are turned on both ID and OD surfaces to reduce thermal warping and vibration
* Runout less than 0.0005" and thickness variation less than 0.0002" to reduce pulsing and vibration
* Surface finish less than 0.7 microns
* Double-shear bobbin attachment to allow both radial and axial expansion - far superior to BMW Motorsport rotors
I'm not sure what the advantage is of allowing both radial and axial expansion is (perhaps one of the engineers can pipe in on this). Also, I understand that these rotors list for somewhere in the neighborhood of $300~$350 each . I'd be interested to what you guys think in terms of whether it would be worth it to buy a rotor for so much. I was told that a bunch of pros use these rotors for Grand-Am and Nascar (not verified).
Anyway, I just wanted to mention that I'm not trying to sell/promote anything here, since these don't exist for the S2000. I'm mostly asking for curiosity sake.
Unfortunately a lot a series require stock rotors, so this would mainly be for track guys and HC H1. (HondaCup too, if on stock calipers)
A 2 piece rotor is great to have. Someone would have to be the guinea pig and see how long they last to compared to OE. Also there would be some weight advantages as well as less heat transfered to the hub/bearing.
These are one of the best rotors you can buy for the Evo...and to my knowledge there aren't any floating rotors available for the S2000 (stock). I run Wilwood 2 piece rotors, but they're not floating.
Also, keep in mind that though the rotors / hats listed above retail for around $300, when they need to be replaced the rotors themselves (not the hats) are $170.
My thoughts are--people who race would buy them, but like jlucas pointed out, can't if they want to continue to run in SCCA, NASA or other series. And unless they came with big shiny red rotors, you wouldn't sell too many of 'em to the street tuner crowd.
After a visit to Performance Friction in South Carolina yesterday, they will be gearing up to make their "Direct Drive" 2-piece rotors and BOTH the "Z-Rated" Carbon Metallic street pads as well as RACE PADS for the S2000!!!
I'm looking to see what race pad compound everyone is interested in for the S2000. Either the world-renown PFC "01" compound pad or a more endurace (and streetable) "06" compound.
01 Compound:
-Commonly used in many racing series from ALMS, NASCAR, Indy Car, Grand-Am, etc...
-One of the most popular race compounds in the PFC's arsenal.
-Slightly higher bite and torque for the first 2/3's of the stop than 83 compound. At the end of the stop.
-Has less torque scatter for improved modulation with excellent release and a flat torque curve.
-Very easy on the discs with very low wear, on par with 83 compounds.
NASCAR Short Track and Road Course, NASCAR Speedway and Intermediate, All Oval Track Race series, IndyCar, Professional GT, Daytona Prototype, SCCA Racing, Porsche/BMW/Corvette/Viper Club Racing
06 Compound:
-Very similar to PFC 01 for both bite and torque, within 4% of those values.
-Excellent release and control with very low wear.
-Very low abraded disc wear.
-An excellent alternative to other brands of endurance compounds but with much higher performance.
-Excellent for club racing type shapes as well in OE brake calipers where ABS is used.
-*More of an endurance compound than the 01, longer lasting, (subjective my opinion - probably more comparable to an XP8/XP10 in terms of streetability and noise, but the 06 is used in many top level endurace racing series).
Endurance Sportscar and GT, NASCAR Short Track and Road Course Rear, NASCAR Speedway and Intermediate Rear, All Oval Track Race series Rear, SCCA Racing, Porsche/BMW Club Racing, Track Day and Driver Education events
I think the 06 would probably be a better application for those who don't want to change their pads at the track and want them to last longer for both street/track use.
Whose interested?
You can read more about Performance Friction and their pads and rotors on their website as well as MotoIQ.com's website - an article of how to rebuild your brake calipers and change your pads and rotors:
I'm fitting the ZR20 and ZR24 calipers to the front and rear of my unlimited S2k.
Love the PFC product, have had great success with the 01 compound.
A direct fit rotor hat would certainly speed up the process
Part Number Description Position Notes
0829.XX.16.44 Carbon Metallic Race Pad Front
0829.10 Z Rated Brake Pad Front
1274.0001 Z Rated Brake Upgrade Kit Front
0537.20 Carbon Metallic Brake Pad Rear
0537.XX.14.44 Carbon Metallic Race Pad Rear
1275.0001 Z Rated Brake Upgrade Kit Rear
Performance Friction Rotors...
) so wanted to get your opinions on whether something like this would be valuable.
. I'd be interested to what you guys think in terms of whether it would be worth it to buy a rotor for so much. I was told that a bunch of pros use these rotors for Grand-Am and Nascar (not verified).
