BRAKE pads/ROTORS
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From: jamaica,queens
BRAKE pads/ROTORS
i need to change my brake pads but i dont want to get Brembo pads because i am low on dough...i need to know if anyone knos any low value alternatives?
also can i just resurface my rotors instead of replacing them ?
also can i just resurface my rotors instead of replacing them ?
www.tirerack.com <-- cheap aftermarket pads
You can resurface your rotors as long as they aren't under the minimum thickness.
You can resurface your rotors as long as they aren't under the minimum thickness.
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Joined: Dec 2003
Posts: 2,514
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From: Marietta, Georgia
Because the pad material transfers to the rotor and that is what creates the friction............new/trued cast iron rotors prior to the transfer have very low friction coefficient compared to pad material.
Trueing [minor depth resurfacing] like 0.0015-0.003" is used to clean off old pad material.
"1. Gradually heat treats the rotor and eliminates any thermal shock in the rotor.
2. Burn off volatiles and moisture from the resin that is near pad surface.
This will eliminate “green fade.”
3. Establish a layer of transfer film about a few microns thick on the rotor surface. Shearing of the film during friction is an effective source of friction force. Otherwise, when using a freshly ground rotor without the transfer film, the main friction force would come from cutting, plowing, or scoring the asperities on the rotor surface. This leads to inconsistent braking effectiveness.
4. Mate the two surfaces to a near perfect geometrical match, so that the contact area is high, and therefore the friction force is increased.
5. The performance of a fresh rotor/fresh pad system would be inconsistent. This is due to ever-changing structures and properties of the two mating materials. Bed-in of pads and rotor will form a stable transfer film.
6. If bedding in procedure is not applied, a stable transfer film may not be established for a long time. In other words, the rotor surface would have to be constantly regenerating a film that is not quite stable for a long time. This effect would reduce the performance and increase the wear. "
Trueing [minor depth resurfacing] like 0.0015-0.003" is used to clean off old pad material.
"1. Gradually heat treats the rotor and eliminates any thermal shock in the rotor.
2. Burn off volatiles and moisture from the resin that is near pad surface.
This will eliminate “green fade.”
3. Establish a layer of transfer film about a few microns thick on the rotor surface. Shearing of the film during friction is an effective source of friction force. Otherwise, when using a freshly ground rotor without the transfer film, the main friction force would come from cutting, plowing, or scoring the asperities on the rotor surface. This leads to inconsistent braking effectiveness.
4. Mate the two surfaces to a near perfect geometrical match, so that the contact area is high, and therefore the friction force is increased.
5. The performance of a fresh rotor/fresh pad system would be inconsistent. This is due to ever-changing structures and properties of the two mating materials. Bed-in of pads and rotor will form a stable transfer film.
6. If bedding in procedure is not applied, a stable transfer film may not be established for a long time. In other words, the rotor surface would have to be constantly regenerating a film that is not quite stable for a long time. This effect would reduce the performance and increase the wear. "
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