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Thread: Drilled / Slotted Discs direction

  1. #1
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    Drilled / Slotted Discs direction


    TransAmDan's Avatar
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    Drilled / Slotted Discs direction

    I have always installed my slotted discs in the direction that it would brush any debris from the pad into the outer part of the disc, therefore working with the center-fugal effect. However visiting many car shows people have them on opposite to me. Who is right?

    Found this interesting picture on the inter-web
    Drilled / Slotted Discs direction-rotor-direction.jpg

    This info was from:- Which direction do my new drilled and slotted rotors go

    Which I would agree with. I wonder why so many are installed the opposite way around.

    2000 Trans-Am WS6 LS1 M6. (The Bat)
    Corsa Cat back, 3.5" dual tips. F.A.S.T LSX Intake / F.A.S.T Fuel rails, Dynatech LT Headers / Y-Pipe / No Cats, Wisper Lid, ported MAF, Racetronix 42lb/hr fuel injectors. Hypertech 160 stat. !AIR, !EGR. Walbro 255, SPEC Stage II Clutch / Flywheel. HPTuners 1BAR SD Tune. Wide Band gauge.
    389RWHP/380RWTQ ([477HP/460TQ]Flywheel) Dyno Dynamics

    More info and photos at:-
    http://www.solent-renegades.co.uk/co...-trans-am.html

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    Drilled / Slotted Discs direction


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    ID Ten T error most likely!

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    Drilled / Slotted Discs direction



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    phew just ran out to check mine lucky i got them right

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    Drilled / Slotted Discs direction


    TransAmDan's Avatar
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    I feel a stream of photos on this thread from cars we spot thats the other way round.

    2000 Trans-Am WS6 LS1 M6. (The Bat)
    Corsa Cat back, 3.5" dual tips. F.A.S.T LSX Intake / F.A.S.T Fuel rails, Dynatech LT Headers / Y-Pipe / No Cats, Wisper Lid, ported MAF, Racetronix 42lb/hr fuel injectors. Hypertech 160 stat. !AIR, !EGR. Walbro 255, SPEC Stage II Clutch / Flywheel. HPTuners 1BAR SD Tune. Wide Band gauge.
    389RWHP/380RWTQ ([477HP/460TQ]Flywheel) Dyno Dynamics

    More info and photos at:-
    http://www.solent-renegades.co.uk/co...-trans-am.html

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    Drilled / Slotted Discs direction


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    Just double checked mine and they are right, but then I didn’t fit them either.

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    do they make a difference on a road car. anyone swapped good plain discs for these?
    all you need is a healthy body and a sick mind

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    Drilled / Slotted Discs direction


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    My personal opinion is that drilled and slotted rotors are a waste of money.
    Brakes need to dissipate heat to work effectively and anything that reduces the surface area impacts the ability to do that.
    Not to mention that stress cracks will always occur at the weakest point and this is typically the point where the rotor is thinnest (the slots) or where they have been drilled.
    Not to mention that the erosion of the brake pad is significantly faster when using slotted rotors so brake dust is more of a factor.
    My car has slotted disks fitted but they were on there when I bought the car. Genuine Mopar disks do not feature slots or drilling and these are what I will fit when the time comes.

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    this is what i was thinking too. but thought i might be missing the point
    all you need is a healthy body and a sick mind

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    They are ment to be a performance add on, however you rarely get in to their performance benefits unless you are on a track day.

    I like the look of them, and had them before. These are my new ones.

    I can see where the confusion of sides can be if you buy American disks and put them on a RHD car.
    Drilled / Slotted Discs direction-img_20190330_121957.jpg

    2000 Trans-Am WS6 LS1 M6. (The Bat)
    Corsa Cat back, 3.5" dual tips. F.A.S.T LSX Intake / F.A.S.T Fuel rails, Dynatech LT Headers / Y-Pipe / No Cats, Wisper Lid, ported MAF, Racetronix 42lb/hr fuel injectors. Hypertech 160 stat. !AIR, !EGR. Walbro 255, SPEC Stage II Clutch / Flywheel. HPTuners 1BAR SD Tune. Wide Band gauge.
    389RWHP/380RWTQ ([477HP/460TQ]Flywheel) Dyno Dynamics

    More info and photos at:-
    http://www.solent-renegades.co.uk/co...-trans-am.html

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    Drilled / Slotted Discs direction



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    Drilled / Slotted Discs direction-img_1539.jpg
    My gen4 camaro brakes fitted last year with carbon ceramic pads these were a vast improvement on the standard ones i took off and exceptional under high speed braking

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