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Old 03-01-2004, 01:24 PM
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Can I make my own cross drilled rotors?

I was wonering it it would be possibile for me to drill holes into my rotors to create cross driller rotors.
Has any body done this and is it possible? or would there be problems?
Thanks
Jacob

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Old 03-01-2004, 02:41 PM
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I'm sure if you had a drill press and a REALLY good balancer you could do a pair. Balance is going to be your biggest problem. You can't just measure something like that and drill a hole without changing weight ratios from side to side. Wheels are real sensitive to balance issues.

Also, your pads will get chewed up quicker.


Good Luck anyway.


MoocH
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Old 03-01-2004, 03:55 PM
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Balancing is not a problem as long as the holes are laid out in a proper and accurate geometric pattern. I have read that in a rotor that was not manufactured drilled that if it is drilled later it is susceptible to cracking.

I drilled both rotors on my Suzuki GS1000 and drove it for over 40K with no problems, but I think they may have been stainless.

Vince

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Old 03-01-2004, 04:05 PM
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Chamfer

If you chamfer cut all the holes, you will not have any excessive shoe wear. This is also how you can adjust balance. Drilling should not cause cracking. If it did the wearing of the pads cutting the disks would also crack them.

hr41pearl
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Old 03-01-2004, 07:44 PM
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If you do a simple Internet search for the title "drilled rotors" you will pull up several SCCA car sites that discuss the negatives of drilling a rotor after manufacture, one of which is cracking.

Vince
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