Post #7
To some extent, you want the clamping force to be as far from the middle as possible to give you the best stopping torque.
This can be seen by comparing what looks like your 7" PCD rotors to my 8" PCD rotors:
Mine have a lot less surface area, but the braking capacity between them will be pretty much identical. Yours will probably dissipate heat
slightly better, thats all.
But you dont really want pads overhanging the edge of the rotor, so if they are, I would think about moving the caliper back in towards the hub.
There looks like there would be a large overhang there, and that excess material would affect the braking once the pads start to wear.
TD Pro Race 2's are the
best 15" wheel you can get for brake clearance; even better then the fabled Compomotive CXR imo.
I could shove my 310 / 315mm AP racing setup straight under PR 2's but I have had to alter them to offset 16mm to squeeze them under most other 15's.
I think I can get most 15' over mine now, apart from cyclones.
You will be very limited in terms of what other wheels you will be able to run with that setup if ever you swap wheels for a trackday or something.
Also, before you put this setup onto the car, just check it again on the spare hub with a balljoint in place; this is the bit that usually fouls when you start offsetting the rotor and caliper.
As you can see, mine is very snug:
But as you have a smaller PCD, your balljoint wont sit inside the rotor, but hit the face of it.
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