Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - cross drilled rotors on a 67 chevelle
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Old 02-23-2007, 02:06 PM
BonzoHansen BonzoHansen is offline
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Quote:
Originally Posted by Scarebird
this is a bad idea from several angles:

1. 1979 Seville rotors are 5 on 5 bolt pattern for starters. And they are 11-3/8" in diameter. Your 81 Monte rotors are 10-1/2", so you will easily lockup the rears due to grooss bias mismatch.

2. Crossdrilled are ridiculous for the street; they are guaranteed to crack from stress risers between the vanes.

www.scarebird.com
He probably has WS6 Trans Am rotors (5x4.75). Similar setup.

Holes = cracks - slotted or solid is the way to go. Modern pads do not outgas like pads of the olds days.
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