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Thread: Slotted rotors

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    Default Slotted rotors

    Which side of the car (driver/passenger) should this disk be installed ?

    Mmmmm V8

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    Thanks. I didn't realise untill I got home with them and thought duh ?
    Mmmmm V8

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    lol dont worry too much mate, i saw a vx yesterday and i coulda sworn they were put on the wrong way

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    The fronts are on and at least it still stops ! but geez you have to bash the crap out of them to get them off and use the rim as a clamp to get the new ones to run true.
    Mmmmm V8

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    how much did they set u back? let us know how much difference they make as well mate
    no longer a hoon by association - the commodore is gone

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    You need to clean the rust off the hub and they go on a lot easier. I don't know what they cost but I do slotted RDA ones for $140 a pair.
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    Quote Originally Posted by DannyboyDS View Post
    I burnt my hand in a nasty way once using method one but thats because i'm a twat.

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    How come they weren't marked on the box's or the rotors? it's how i knew different box and markings on my VP ones.
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    I had won a front and rear set of std rotors a couple of years ago and had them slotted by a local brake and clutch crowd for $45 per rotor. I will be fitting the back ones on tonight, and judging by everyones help (thanks) they are on the right way :-)
    Mmmmm V8

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    there is no right or wrong way to install slotted rotors, if the internal vains are straight. if you have rotors with straight internal vains, installing the cuts in the surface only comes down to.. expelling the gases toward the inside or outside the rotor. now i have read somewhere that reverse cuts are best for driving in the rain (dont quote me) cant seem to find it..

    if there curved.. It doesn't matter which direction the external slots are pointed. The rotors are installed so the the internal vanes are expelling air from the center of the rotor as they turn. The only purpose of the external slots is to degass the pad area and that can be accomplished no matter which way the external slots are pointing. That is why it's best to rely on the direction of the internal vanes to insure that you're installing the rotors properly. When installed and viewed from the top of rotor the internal vanes should be pointing toward the rear of the car.

    this is a good explaination.. StopTech : Balanced Brake Upgrades & Brembo Frequently Asked Questions

    vsv8berlinawag, i cant see the internal vains in ur first pic, so double check there installed correctly.

    cheers
    ephect
    Last edited by ephect; 22-11-2007 at 05:48 PM.
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    Additionally, all of Brembo's slotted discs are directional as well, regardless of the vane geometry. The discs should be installed such that the end of the slot nearest the outer edge of the disc contacts the pad first. Taken from Brembo.

    The slots on StopTech AeroRotors are cut in the OPPOSITE direction of the vanes. Taken from Stop Tech.

    According to this, the slots face forward, which is the way I always fit them and recommend them to be fitted. LowVP, yours are on backwards.
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    Quote Originally Posted by DannyboyDS View Post
    I burnt my hand in a nasty way once using method one but thats because i'm a twat.

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    This is the way mine are, DBA are marked with a L and R, this is what DBA said to do
    this is how they look

    I dont know about other brands, and i am not trying to prove anyone wrong

    Disc Brakes Australia - Disc Rotor Orientation of DBA Slotted Rotors
    Attached Images Attached Images

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    Quote Originally Posted by Not_An_Abba_Fan View Post
    You need to clean the rust off the hub and they go on a lot easier. I don't know what they cost but I do slotted RDA ones for $140 a pair.

    if that's what price you can do for us then i am guessing that $150 per set of front and rears is a good price then? btw, are you an rda dealer over in wa?

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    Rears are slightly dearer but yes, $300 for a full set is pretty good. Yes I am an RDA dealer here.
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    Quote Originally Posted by DannyboyDS View Post
    I burnt my hand in a nasty way once using method one but thats because i'm a twat.

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    Quote Originally Posted by Not_An_Abba_Fan View Post
    Rears are slightly dearer but yes, $300 for a full set is pretty good. Yes I am an RDA dealer here.
    oh cool, i might get them then rather than dba's, as they seem a pretty decent price to me. i got a price for ebc "redstuff" pads also. $250 for front's and $150 for rears. but might just go a bendix pad that won't kill the rotors.

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    Quote Originally Posted by Slow_Az View Post
    but might just go a bendix pad that won't kill the rotors.
    I'd be avoiding bendix if you're low rotor wear. They're not exactly known for their rotor friendliness...

    If you're after a very good pad with low rotor wear and dust these are hard to go past:
    QFM HPX VT-VZ Police Spec Performance Brake Pads

    Assuming yours is VT-VZ. Or else if you're not after a performance pad their standard range is $35, and even softer on rotors again.

    Regardless of which way (or whom) you go with, just stay away from Bendix...
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    Sick of paying too much for high performance brake pads? Want high performance and cold bite with low rotor wear?
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    I do redsuff for $220 and $125, but the police spec pads are good also.
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    Quote Originally Posted by DannyboyDS View Post
    I burnt my hand in a nasty way once using method one but thats because i'm a twat.

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    Quote Originally Posted by gslrallysport View Post
    I'd be avoiding bendix if you're low rotor wear. They're not exactly known for their rotor friendliness...

    If you're after a very good pad with low rotor wear and dust these are hard to go past:
    QFM HPX VT-VZ Police Spec Performance Brake Pads

    Assuming yours is VT-VZ. Or else if you're not after a performance pad their standard range is $35, and even softer on rotors again.

    Regardless of which way (or whom) you go with, just stay away from Bendix...
    how long would it take for the pads to be delivered or is there somewhere in melbourne that i can go to get my hands on them?
    is it wise to replace the rotors first then replace the pads later or should i just do it all in one hit? i'm still using the oem pads, in which the fronts need to be replaced (front squeals at times and steering vibrates on braking). sorry about hijaking the thread.

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    Quote Originally Posted by Slow_Az View Post
    how long would it take for the pads to be delivered or is there somewhere in melbourne that i can go to get my hands on them?
    In stock, so 1 or 2 days for postage tops...

    is it wise to replace the rotors first then replace the pads later or should i just do it all in one hit?
    Can do either. Provided that when the rotors are replaced, a good amount of brake clean is used, and all the anti-rust oil is removed, then ideally replace both at the same time.
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    Quote Originally Posted by gslrallysport View Post
    In stock, so 1 or 2 days for postage tops...
    how do i order and how do i pay? i'd like a set pls including freight to melbourne. if they do the same job as the better "branded" pads for much less, i'm in on the deal

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    PM sent!
    - GSL RallySport - Ph: 1300 884 836 -
    Sick of paying too much for high performance brake pads? Want high performance and cold bite with low rotor wear?
    - QFM Performance Brake Pads -
    Also specialising in
    - DMS High Performance Shock Absorbers - Monit Rally Computers -

  23. #23
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    money sent. waiting to see how these things perform once i get them on.

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