Originally Posted by z31maniac
As usual, thanks for all the info.
However, I'm confused on the last part. The SuperMiata 11" and 11.75" kits both use the same Dynalite caliper, correct?
I understand the increased feel through the extra leverage/torque of the larger rotor, but I don't get how that increases pad life? Extra heat sink capacity allows the pad to run marginally cooler, or ?
The SuperMiata 11"
kits utilize the same 120-6806 Wilwood caliper that the TSE 11.75 uses.
Pad wear is directly related to temperatures. Cooler pads are longer lasting pads. Pad life would be the same between all the various kits utilizing the 120-6806 caliper, if the rotors had the exact same thermal mass/inertia, but they don't. If pad wear is of high importance, get the coolest running system possible. Our coolest running kit is the 11.75" with the HD36 rings.
Our 11 and 11.75" kits come with your choice of economy straight vane or HD directional vane rotors. Street/canyon with occasional autocross on a low to medium powered car, the straight vanes get the job done. Track use and/or high powered, you want the directionals. Notice the vanes in the econo rotor are only about 3/4 height and don't reach to the outer rim. They're also thinner section than our SPM 11"
or HD36 directional rotors. Additionally, the iron alloy used in the directionals is superior in strength and uniformity to the 160-5840
. The econos are cast in Mexico with an alloy only used in Wilwoods econo and ultralite line. The HD36 and our SPM directionals are cast in the US with a higher grade (and more expensive) alloy.
Bias wise, I like the 11" front with standard 1.8 rears, one compound stagger between them. We run XP10 front, XP8 rear on our cars. For the SPM 11.75" front kit, we recommend the 10.9" Sport rears. You can use our rear BRK to adapt Sport rotors and calipers to a 94-01. If you have an NA6, you'll need OEM NA8 or NB1 (same) rear caliper carriers to run the BRK. Alternatively, you can just source an entire OEM rear sport set up and bolt to your NA6 uprights.
The Sport rear caliper has a slightly larger piston than the 94-01 1.8 caliper. For track use with 205's or hard compound 225's and no aero, the standard 1.8 rears on sport rotors with 11.75 fronts is perfect. Add rear grip by running Hoosiers, more weight or a wing and the Sport calipers are a better option with the 11.75 fronts. Running an 11" front, standard 1.8 rear setup has the advantage of being significantly lighter than any other combination and what we run on our race cars. With the addition of TSE's rear Wilwood 9.8" kit, it will be even lighter.