Cross drilled rear rotor

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1statv

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Has anyone thought of or has drilled holes into the rear rotor?? I was looking at the rotor today and the thought came to my head doesn't look that hard and I'm sure will help with heat and dust build up. I was thinking 3 holes in a row at a angel all the way around about 2 inches apart.
 
No he is right and about 6 drill bits dude its hardened steel not the easiest thing to drill through gotta take your time and use oil when drilling.
 
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