Originally Posted by fraser9764

As Ridgey says. there are so many factors that affect it. Brake bell thickness is another one. I measured 4mm difference iirc between a cast disc and a aluminium bell.
I'm running ET35s with 235 track tyres that measure up about 240+. Ally bells, 6 degree beam set at 1.5degree of camber. Arches have been rolled.