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what is the correct pattern/ directions for slotted/crossdrilled rotors? front and rear?

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Old 08-15-2004, 09:26 PM
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Default what is the correct pattern/ directions for slotted/crossdrilled rotors? front and rear?

i flipped thru magazines and i found no consistency, does different brand has different directions?
what is the technical reason for the directions?
tia!
Old 08-15-2004, 09:39 PM
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Default Makes do difference at all, though ...

the internal cooling vanes usually <b>are</b> directional.
Old 08-16-2004, 03:42 AM
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Default It's important if they are directionally veined for venting...

you want the holes, hence the vanes to be swept back so that the hot air is pulled out from the center of the hub...
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