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So why does new RS4 have cross-drilled brake rotors if they crack?

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Old 01-18-2006, 08:25 AM
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Default So why does new RS4 have cross-drilled brake rotors if they crack?
I'd think they'd go with slotted.
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Old 01-18-2006, 04:34 PM
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oh yea, slotted = VERY FAST pad wear.
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Old 01-18-2006, 05:17 PM
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Default Crack, really. I have them on the Pcar, used on the track with race pads, no cracking.
Rotors have 60k miles one them. They will need changing this summer, but not because of cracking.
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Old 01-18-2006, 06:49 PM
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Default Porsche rotors are cast with the holes....they're not 'drilled'
not sure if Audi is using that same technology (via license?) for the perforated rotors on the RS4.
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