Brake pad questions
Joined: Oct 2004
Posts: 244
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From: Inglewood, CA
Brake pad questions
I have three questions. One, do ceramic pads perform better than metal pads? Two, are ceramic pads easyer on slotted rotors than metal pads? Three, do ceramic pads creat less brake dust than metal pads?
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The term "ceramic pads" is a marketing term and may not have anything to do with what the charateristics of a pad are. Start by asking what you want out of a pad and go down that route. Almost every pad out there has some sort of ceramic and/or metallic content in it...the amount of the material will lead what the pad will act like when installed.
Joined: Oct 2004
Posts: 244
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From: Inglewood, CA
Originally Posted by StopTech
The term "ceramic pads" is a marketing term and may not have anything to do with what the charateristics of a pad are. Start by asking what you want out of a pad and go down that route. Almost every pad out there has some sort of ceramic and/or metallic content in it...the amount of the material will lead what the pad will act like when installed.
I've noticed that when switching to ceramic pad (satisfied, reybestos and another brand I can't remember) that the bite went down compared to organic or semi-metalic). so it feels like it's not as powerful. stops ok though, never had a problem. but the major selling point is that they are for the most part completly dustless. wheels stay clean for so long.
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Joined: Dec 2003
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From: Marietta, Georgia
You must know what friction vs temperature vs application speed you desire at multiple points along the way to PROPERLY select a brake pad composition.
Impossible to have: high ultra extreme hot friction, high hot friction, high warm friction and high cold friction simultaneously.
Same with 20 mph, 60 mph, and 120 mph application speeds.
Select one from each column and live with the results [squeels or fade or no cold braking].
No/low dust almost always means inferior cold braking at low speeds = squeels and noises.
If you can create a perfect blend of brake pads components you will put every company out of business............they all try but all fail in one area or another.
Why oem spends so much testing every brand to develop a suitable compromise.
Couple of interesting graphs:
http://www.automotivedigest.com/Whit...ction_Tech.pdf
Things oem do to select a pad that after market companies never do on every [or any] model the sell a pad for:
http://www.linktestlab.com/Brochure%...FEV2005-01.pdf
Impossible to have: high ultra extreme hot friction, high hot friction, high warm friction and high cold friction simultaneously.
Same with 20 mph, 60 mph, and 120 mph application speeds.
Select one from each column and live with the results [squeels or fade or no cold braking].
No/low dust almost always means inferior cold braking at low speeds = squeels and noises.
If you can create a perfect blend of brake pads components you will put every company out of business............they all try but all fail in one area or another.
Why oem spends so much testing every brand to develop a suitable compromise.
Couple of interesting graphs:
http://www.automotivedigest.com/Whit...ction_Tech.pdf
Things oem do to select a pad that after market companies never do on every [or any] model the sell a pad for:
http://www.linktestlab.com/Brochure%...FEV2005-01.pdf
Joined: Oct 2004
Posts: 244
Likes: 0
From: Inglewood, CA
Originally Posted by Q45tech
You must know what friction vs temperature vs application speed you desire at multiple points along the way to PROPERLY select a brake pad composition.
Impossible to have: high ultra extreme hot friction, high hot friction, high warm friction and high cold friction simultaneously.
Same with 20 mph, 60 mph, and 120 mph application speeds.
Select one from each column and live with the results [squeels or fade or no cold braking].
No/low dust almost always means inferior cold braking at low speeds = squeels and noises.
If you can create a perfect blend of brake pads components you will put every company out of business............they all try but all fail in one area or another.
Why oem spends so much testing every brand to develop a suitable compromise.
Couple of interesting graphs:
http://www.automotivedigest.com/Whit...ction_Tech.pdf
Things oem do to select a pad that after market companies never do on every [or any] model the sell a pad for:
http://www.linktestlab.com/Brochure%...FEV2005-01.pdf
Impossible to have: high ultra extreme hot friction, high hot friction, high warm friction and high cold friction simultaneously.
Same with 20 mph, 60 mph, and 120 mph application speeds.
Select one from each column and live with the results [squeels or fade or no cold braking].
No/low dust almost always means inferior cold braking at low speeds = squeels and noises.
If you can create a perfect blend of brake pads components you will put every company out of business............they all try but all fail in one area or another.
Why oem spends so much testing every brand to develop a suitable compromise.
Couple of interesting graphs:
http://www.automotivedigest.com/Whit...ction_Tech.pdf
Things oem do to select a pad that after market companies never do on every [or any] model the sell a pad for:
http://www.linktestlab.com/Brochure%...FEV2005-01.pdf
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