What are the best brake pads?
#22
SinterGrip ST (HH-rated)
SinterGrip STAC Track-Day (with Array Cooling™)
CP2.11 Carbon/Ceramic Racing
Platinum Organic Series
#23
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#25
#26
I prefer Platinum Organic Series pads due to little dust, no corrosive metallic dust as they do not harm your rotors at all just polish them where you should take sand paper and rough them up on occasions. The CP2.11 Carbon/Ceramic Racing require heating them up first which is not practical for the street. The SinterGrip ST (HH-rated) & SinterGrip STAC Track-Day (with Array Cooling™) may gall your rotors. A friend of mine wrote than I edited it to suit you, maybe it will be helpful to you. You should read these facts prior to buying your next set of pads; Sintered Versus Organic Pads
1/ MATERIAL ABRASION.
Most sintered metal pads are designed specifically for use on stainless steel rotors. As such, some of these friction materials do indeed gall the rubbing surfaces to varying degrees. Furthermore, using sintered metal pads (any) on Gray iron or individual mold casting rotors can be a recipe for disaster.
2/ THERMAL DYNAMICS.
Regarding sintered pads on stainless; using the base assumption that the friction material isn't overly abrasive [causing galling, scoring, etc.], the real issue is thermal capacity.
All conventional metals used in rotors have their own thermal dynamics to deal with; total mass, shape, lightening/venting hole type (placement and quantity) combined with inherent thermal conductivity of the resident material all play an integral role in material stability at peak operating temperatures. What we're essentially talking about here is resistance to distortion [warping, coning, etc.].
This is a complicated and convoluted subject that has few simple answers as there are so many variables to factor in. But one basic truth is that the sintered pads, including SinterGrip series, run hotter at the interface than do "most" organic pads...by as much as 150 degrees [F] in our testing. If you're running near the edge of thermal capacity with a particular rotor type and design and high performance / racing organic pads (like the carbon based CP911Star), switching to a racing sintered pad will surely exacerbate the problem.
In majority of instances where a problem occurs, thermal stress induced distortion is the culprit.
Last edited by FastHarley; 09-26-2010 at 01:09 PM.
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