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Thread: Slotted and/or drilled rotors...

  1. #1
    Join Date
    Aug 2001
    Location
    San Diego, CA, USA
    Posts
    122

    Question Slotted and/or drilled rotors...

    Hi guys, just wondering if anyone is using slotted and/or crossed drilled rotors and if they are, what your opinion is on their performance. Not sure if it's worth the price (at least double) vs. a new set of OEM rotors.

    I'm due at least a front brake job and as I can't keep my front rotors from warping, I'm looking at replacing them.

    thanks for your help and Happy New Year to you all.
    Jon
    85' Sub K-20 4x4 6.5 w/ cooling mods
    Phazer and Banks Turbo
    33" BFG's w/ Bilsteins Rebuilt 700R4 w/ all the upgrades

  2. #2
    Join Date
    Aug 2003
    Location
    Bakersfield, Ca
    Posts
    248

    Default Shake Shake Shake

    Jgreemo

    I put a set of PowerSlot disks on my 99 in July-06. My factory originals were shaking the truck like an almond harvester.

    We went with the GM Metallic pads in the DuraStop line. The setup is working good. The best thing that came with the new rotors was the instructions on how to break-in/bed-in the new rotors and pads.

    Ordered mine from BreakWarehouse. Paid about $88 apiece.

    No more shaking.

    HammerWerf
    1999 k2500 Suburban Pyro, Tranny Temp, Boost, K&N Air Filter, +3.5 qt tranny pan. 190000 miles
    1984 C20 249k miles DSG gear, SM-465, 3.73
    1983 C30 CC dualie. 308K miles on Chassis, TH400, 4-45 A/C Looking for a TurboCharger

  3. #3
    Join Date
    Apr 2001
    Location
    Newberg Oregon
    Posts
    12,294

    Default

    My trips down disc brake drive have lead me to believe the factory type GM rotors are fine as is.
    I had a set of aftermarket drilled rotors on an F series Ford and they cracked real bad between some of the holes.
    I would use stock replacement rotors with the metalic pads.

    Robyn
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  4. #4
    Join Date
    Sep 2000
    Location
    so, ca , usa
    Posts
    13

    Default warped rotors

    Ive had a set of powerslot rotors on my 97 sub for about 60k mi without any vibration problems, I run the factory pads with them because the aftermarket pads squeek so bad . before I changed over to slotted rotors i would warp the factory rotors about every 10k mi. I agree that drilled rotors are prone to cracks I see a lot of cracked drilled rotors in my shop thats why I went with slotted .here in so ca there is a lot of stop and go traffic and hills so brake shimmy is very common .
    steve s <br />97 K 2500 sub <br />BANKS STINGER KIT<br />DURAMAX FAN/ intercooler/stud girdle

  5. #5
    Join Date
    Sep 2000
    Location
    so, ca , usa
    Posts
    13

    Default brake vibration

    i found this on another forum it is pretty good i think http://www.stoptech.com/tech_info/wp...akedisk.shtml#
    steve s <br />97 K 2500 sub <br />BANKS STINGER KIT<br />DURAMAX FAN/ intercooler/stud girdle

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