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Old 01-31-2006, 09:42 PM   #6
socratic
Registered User
 
Join Date: Feb 2005
Location: Canada
Posts: 183
Quote:
Originally Posted by rbennett
I have drilled Zimmerman rotors and have never been told this nor have observed this.

What rotors do you have??
How much were your Zimmermans?

Did you notice any performance improvement?

At what mileage did you replace them? Out of necessity or just because cross-drilled looks cool?
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