You might check out this page first. His Baer cross drilled rotors cracked after 4000 miles of street use. Anyone else seen this problem with drilled rotors?
http://www.ws6.com/cryo.htm
Doug
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'91 Z28 50,000 miles:
K&N; Fastchip; Airfoil; Custom 'Ram-Air'; SLP Headers; Slp Runners; Borla Catback 50% open; Poweraid TB spacer; March underdrive pulleys; Accel Extreme 9000 wires, coil; Hypertech rotor, cap; NGK platinum plugs; manual fan switch; TB coolant bypass; Pirelli P7000 Z245/50/R16 all season tires; Energy suspention motor mounts.