Quote:
Originally Posted by gsg740
Z1 2pc rotors are totally garbage for tracking, I wrapped two sets in 3 track days. Definitely under 100 mile per set. I agree the z1 rings does not have enough mass to absorb all the stopping energy from tracking condition. And also the wrapping could also contribute by its non-floating design.
People should avoid buying used 2pc rotors, especially the Z1 ones.
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All of that is undoubtedly true.
I was sold these rotors as "never used on the track", "practically new", "nothing wrong with them" but when I asked why he was running track pads on the street,
he said "everybody who uses them on the track, uses them on the street...idiot!"
So, he admitted that he had used these at the track. All I know is they were warped, not suffering from 'pad residue'.