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Author Topic: brake rotors  (Read 1378 times)

kunkmiester

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brake rotors
« on: August 22, 2013, 05:05:26 am »
When I took my Baja to the shop a bit back, they said the rasping noise from the wheels was warped brake pads.  It's about time for the pads to be replaced, but they say I need new rotors.  They don't think they can turn the ones I have down to work again.

They also said a gouge in one of them was from dirt and crud getting stuck on the pads.  While looking at some prices for pads, some of the rotors I saw said one of the purposes of the slots cut in nicer ones is to help wipe the pads and keep crud out of the equation.  Since I do a bit of dirt road driving now, and that can only happen more in time, is there a good higher end rotor that could help with the problem?  Upgrading is quite viable right now.
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    Grant

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    Re: brake rotors
    « Reply #1 on: August 22, 2013, 08:37:49 am »
       A higher end rotor can "HELP".... If you're doing limited dirt road,etc. it probably would.   Us, where 99% of driving is dirt road......not so much, better off saving the money and just buying another one.

      The dirt roads themselves aren't so much the problem, as is when it rains and there is mud/moisture.

    Not sure what you're driving, but on our work pickups (dodge and ford 3/4T pickups), rotors are constantly sticking, pull em apart, regrease/unfreeze,etc.     Constant PITA, shoulda stuck with drums on the back tires.
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    luke213(adamsholsters)

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    Re: brake rotors
    « Reply #2 on: August 22, 2013, 12:58:55 pm »
    Also there is an argument against slotted or cross drilled rotors that they actually are less effective, it's controversial from what I've read. I've always stuck with normal rotors and with the price they are down to in most cases now days there isn't a really good reason not to replace them if they are screwed up. For instance on my wife's Jeep I just changed pads all around and rotors on the front because one slide started sticking and burnt through a pad in a couple days(it was almost due anyways). The pads ran like $24, rotor was $20 so if I ruin a set of pads running a crappy rotor I'm quickly approaching the price of doing it properly and getting better stopping force as well.

    On the dirt etc I don't know how much I buy into it saving pads I've seen rocks get wedged between the rim and caliper stopping a wheel, and all sorts of other things. It seems to me the chances of it cleaning the pad are about as good as it wedging small rocks against the pad and scratching the heck out of the surface. I've always had regular rotors off road(I live off road), and mudding etc and never really seen much of a problem with it other than obvious things like wedging rocks etc.

    Luke
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    freeman1685

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    Re: brake rotors
    « Reply #3 on: August 22, 2013, 01:10:47 pm »
    Unless you plan on building some kind of Baja Racer, stick with the stock rotors and pads.

    While they do have the added benefit of keeping the things a bit cleaner, the slots are more for cooling, which helps to keep the rotors from warping with the high speed, hard braking of a race vehicle.
    ArizonaStupidity cannot be cured with money, or through education or by legislation.  Stupidity is not a sin, the victim can't help being stupid.  But stupidity is the only universal capital crime; the sentence is death, there is no appeal, and execution is carried out automatically and without pity.  RAH

    johnnyboy83

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    Re: brake rotors
    « Reply #4 on: August 22, 2013, 03:54:56 pm »
    For cars, I was always told the slots and holes were to let brake dust and hot gasses exit from under the pad under hard braking so the pad would make the most even contact with the rotor under high stress. I don't think they were really designed with actual dirt and grime in mind.
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