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New Brake Rotors, have some questions

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Old 03-30-2010, 05:10 PM
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Default New Brake Rotors, have some questions

i just bought some new rotors




1) should i paint the part between the rim and the actual rotor face because it rusts overtime?

2) what direction should the slots/drills point?
Old 03-30-2010, 10:06 PM
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Those look like the ones I got off ebay a year ago or so, if they are they have a finish on them that wont corrode unless the finish is scratched off. The drills and slots face the same directions its not a left or right fitment.
Old 03-30-2010, 11:32 PM
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Originally Posted by sschoeffler
Those look like the ones I got off ebay a year ago or so, if they are they have a finish on them that wont corrode unless the finish is scratched off. The drills and slots face the same directions its not a left or right fitment.
uhh.. the top two have completely different directions as the bottom two..
Old 03-31-2010, 01:41 AM
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Looks like the zinc coated ones I put on 4 years ago. The only parts that get rusty are the faces when I haven't run it in awhile.
Old 03-31-2010, 02:07 AM
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Should have LH RH marked on them. Imagine the bottom part (closest to the hub) of the slot as the beginning.. when the car is rolling forward you want them going.. "up".

This picture .. to me.. and according to my powerstop rotors...is the WRONG direction. But I suppose it doesnt matter.

http://www.flickr.com/photos/jdpoole/3638374021/
Old 03-31-2010, 05:42 PM
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Originally Posted by veddersbetter
Should have LH RH marked on them. Imagine the bottom part (closest to the hub) of the slot as the beginning.. when the car is rolling forward you want them going.. "up".

This picture .. to me.. and according to my powerstop rotors...is the WRONG direction. But I suppose it doesnt matter.

http://www.flickr.com/photos/jdpoole/3638374021/
this guy is correct, and i'd paint the center part black. I have a black car with black rims though.
Old 03-31-2010, 07:58 PM
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Originally Posted by veddersbetter
Should have LH RH marked on them. Imagine the bottom part (closest to the hub) of the slot as the beginning.. when the car is rolling forward you want them going.. "up".

This picture .. to me.. and according to my powerstop rotors...is the WRONG direction. But I suppose it doesnt matter.

http://www.flickr.com/photos/jdpoole/3638374021/
thats what i thought..

so the BOTTOM LEFT rotor in my pic should be the DRIVER'S SIDE FRONT?
Old 04-01-2010, 02:14 AM
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top set goes on driver, bottom set goes on passenger
Old 04-03-2010, 10:55 PM
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Originally Posted by caseypryan
top set goes on driver, bottom set goes on passenger
u have these same rotors? cuz i thought it was the otherway (top goes on passenger, bottom goes on driver)
Old 04-04-2010, 12:58 AM
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Originally Posted by mammoth713
u have these same rotors? cuz i thought it was the otherway (top goes on passenger, bottom goes on driver)
i did mine this way. my friend owns his own rotor company and he told me to mount them like this
Old 04-04-2010, 12:18 PM
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The TOP of the slot should wipe the pad before the bottom of the slot.. So if its rotating clockwise (Passenger side) when your looking at it, the slot at the top should look like / Counter clockwise (Drivers side) should be \

The bottom left rotor should be your passenger front.

It really only matters though if the rotors have curved (directional) vanes. If they are straight vanes, you will be fine either direction. Remember, the vanes pump air from the hub out to the top, so it will need to be oriented in a way the the vanes in the hub "catch" the air and spit it out the top.
Old 04-04-2010, 01:15 PM
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Originally Posted by Mike@ZMS
The TOP of the slot should wipe the pad before the bottom of the slot.. So if its rotating clockwise (Passenger side) when your looking at it, the slot at the top should look like / Counter clockwise (Drivers side) should be \

The bottom left rotor should be your passenger front.

It really only matters though if the rotors have curved (directional) vanes. If they are straight vanes, you will be fine either direction. Remember, the vanes pump air from the hub out to the top, so it will need to be oriented in a way the the vanes in the hub "catch" the air and spit it out the top.
This is very helpful. I'm about to pick up some slotted/drilled rotors. I'll check the vanes and install them accordingly. Thanks
Old 04-04-2010, 09:55 PM
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If you are in need, let me know. I carry DBA rotors as well as powerslot, baer, and others. Shoot me a PM with what your looking for and I will get you pricing.




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