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Ron Stygar Carl Buckland Dale Beuning Forums Help
From digest.v7.n512 Wed Oct 29 21:42:07 1997 From: "Steve D'Gerolamo" <steved3_at_idt.net> Date: Wed, 29 Oct 1997 16:27:28 -0500 Subject: Rotor Runout
>Subject: rotor warpage If your rotors are heavily scored or burned, there's no need to take any measurements...simply replace the rotors. If you're getting a slight pulsing through the pedal and you think it might be your rotors, you can take a brake disk caliper (one with pointed anvils to measure scored and unscored surfaces) and take measurements at various points (at least 8 points within the brake pad contact area of the rotor). Thickness on a new front E36 rotor (non-M3) is approx .860"......runout of .008" or greater will probably be felt when braking. New quality rotors typically have .001-.002" variances out of the boxes. (Note: a good digital brake rotor caliper will cost around $300.00) SD Steve D'Gerolamo - The Ultimate Garage 201-262-0412 / steved3_at_idt.net / http://www.ultimategarage.com |
