this sounds like a good place to chime in.

just did my 87 420sel this past weekend. what i found when i measured the old rotors was their thickness was 1.070" I had bought the rotors etc: in a kit) then i measured the brand new balo rotors they were 1.100". on the new rotors they are marked with a minimum thickness of 25.4 mm or 1.000 inches. so... the old rotors still had .070 left to go and were only .030" under the new ones. so i just did the pads. i'm a machinist by trade so i've got very accurate tools to measure with. just as a side note i put over 2000 miles on the pads after the warning light came on and i could probably have gotten another 500 miles.

the only thing i encountered was it was extremely hard to bleed the brakes. i have a motive power bleeder and at 20psi nothing. so i had the wife stand on the brakes you know 1.2.3 hold and nothing so then i told her to stomp hell out of the pedal and finally got some fluid. after that they bled fine and the pedal is just fine plenty solid and slightly above the gas pedal.

i just felt there should have been more pressure in the brake lines.

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Thanks Much!
Craig

1972 350sl Red/Blk 117k
1988 420sel charcoal/Blk 140k
1987 420sel gold/tan 128k
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