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cracks in my big red rotors. yes they are cross drilled. how big can they get before they are more

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Old 05-18-2007, 08:25 PM
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Default cracks in my big red rotors. yes they are cross drilled. how big can they get before they are more

than just cosmetic? 1/2 way to the next hole? too risky????
Old 05-19-2007, 01:24 AM
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Default look at them when they're hot.

rotors will expand with the heat; if you see cracks then, it's time to replace them.
some amount of hairline cracking can be okay.
but if it makes you nervous, replace them.
Old 05-22-2007, 02:24 PM
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Spider cracks are very common. Take a picture and show us.
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