Cars - For Car Enthusiasts

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High carbon or slotted and drilled rotors? (artemis.camp)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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For now its a daily driver, but I do intend to slowly build it out to be a drift car. I've heard that drilled rotors can form micro-cracks around the holes and need to be replaced every so often. What yall think?

Slotted and drilled: https://www.rockauto.com/en/moreinfo.php?pk=11610153&cc=1431309&pt=1896&jsn=3866

High carbon: https://www.rockauto.com/en/moreinfo.php?pk=1023160&cc=1431309&pt=1896&jsn=3875&jsn=3875

2005 mustang in case that matters.

ty :)

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[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

Maybe. Maybe not. Rotors are pretty simple and hard to fuck up the metallurgy on, they're the one thing I don't actually mind going cheaper on. It's not like you're buying OEM carbon ceramic rotors for your Lamborghini.

The biggest issue with cheaper rotors is poor runout tolerance (how flat they are). Sometimes you get a wiggly one and it'll have poor performance 'cause the pad doesn't make full contact, plus makes your car vibrate weird when you stop. They can be turned down backnto flat by a shop though, or just warrantied.