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turning drilled & slotted rotors

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Old 05-31-09, 05:30 PM
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MJImport
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Default turning drilled & slotted rotors

I couldn't find anything in my search...

Has anyone had problems turning drilled and/or slotted rotors? I would think a shop would wear down their cutting tool faster due to all the interruptions in material.
Would a shop refuse to turn them? or just charge a little more?
Thanks !
Old 06-01-09, 06:11 PM
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habeeb89
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I've never heard of this either, I've got drilled/slotted rotors and I'm wondering the same thing...
Old 06-02-09, 02:05 AM
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ItsChris
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just in previous experiences, i think most shops will not turn those rotors because often when they do they either chip right at the hole or slot, and some may cause cracks in the rotor.
Old 06-02-09, 06:23 AM
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kamlung
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so does that mean we don't ever turn these rotors?
Old 06-02-09, 06:29 AM
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Revenge Motorsports
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They are very few places that will do drilled/slotted rotors. They will different tools for that job some will use a milling machine like the one for machining flywheels. I have found one local place that does ours!
Old 06-02-09, 06:46 AM
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DaveGS4
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My local Lexus dealer turned mine with no issues whatsoever.
Old 06-02-09, 08:58 AM
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sakataj
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Originally Posted by DaveGS4
My local Lexus dealer turned mine with no issues whatsoever.
they charge you extra or anything dave?
Old 06-02-09, 03:56 PM
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MJImport
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Ok so I stopped in at a "custom" auto shop and they said they couldn't do it and that I would have to install new rotors.

Called another shop and they had to ask the machinist, but apparently they have no hesitation turning drilled/slotted rotors.

So, it sounds like it's possible to do, although I'm not sure of the quality that will result.
Old 06-02-09, 04:10 PM
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raytseng
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I remember a post awhile back on this.
After the slotted rotors were turned, no more slots! The particular rotor had slots just for show instead of a real practical purpose.

Consider why you got these rotors versus what you need to do.
If you have slots and holes just for appearance sake, the turning might mess that up. I guess you're in the same boat to get new rotors, but you're still going to have to pay for the machining.
Old 06-02-09, 04:19 PM
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DaveGS4
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Originally Posted by sakataj
they charge you extra or anything dave?
Nope, same as everything else. Many Lexus dealers have higher end / newer equipment than mom and pop shops though so suspect they just stick it in the machine like any other rotor w/ no extra effort.
Old 06-02-09, 04:25 PM
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jspecdan
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Originally Posted by DaveGS4
Nope, same as everything else. Many Lexus dealers have higher end / newer equipment than mom and pop shops though so suspect they just stick it in the machine like any other rotor w/ no extra effort.
that's why i don't feel bad going to the dealer once and awhile.
Old 06-02-09, 05:25 PM
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MJImport
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So how much did the dealer charge?
I don't really need to ask since I'm probably better off just buying new rotors LOL
Old 06-02-09, 08:02 PM
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MJImport
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Originally Posted by raytseng
I remember a post awhile back on this.
After the slotted rotors were turned, no more slots! The particular rotor had slots just for show instead of a real practical purpose.

Consider why you got these rotors versus what you need to do.
If you have slots and holes just for appearance sake, the turning might mess that up. I guess you're in the same boat to get new rotors, but you're still going to have to pay for the machining.
So you're saying that slots on some brands are useless and functional on others? I can't say I agree with that, but either way I doubt the shop would take the rotor down that far to remove the slots, maybe after multiple turns over a few years, it doesn't take much to get the rotor surface corrected.
Old 06-03-09, 01:28 PM
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sakataj
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Originally Posted by DaveGS4
Nope, same as everything else. Many Lexus dealers have higher end / newer equipment than mom and pop shops though so suspect they just stick it in the machine like any other rotor w/ no extra effort.
gotcha....i just wondered as my rotora's are fairly new just wondered bout when i DO need to turn them if it will be a PITA to find a place. thanks dave
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