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I 've read many but this one seems to be the best so far. It talks about a lot of the myths associated with warped rotors, their association with pads, facts about street pads, high end street/race pads, race pads, bedding them in properly, etc. A lot of it we know already but I learned some new things too. This guy goes into detail about how the pad & rotor work together and different variations of symbiosis between the 2 and failure scenarios. The guy who wrote this apparently worked for Shelby and did a long term brake study. Good stuff. Got it off the H-T competition forum. I 'm glad he confirmed (and that it 's not a myth) that high end street/race pads with high heat limits don't grip as well when they 're cold. Now I know for sure my Axxis pads are more for racing than street because they 're not as good when cold. He also seems to favor carbon metallic pads (more recent) over semi-metallic ones for various technical reasons he discusses plus less chances of warpage. I think my MMs are semi-metalic (not 100% sure though), not sure about the Porterfield R4S that I may switch to this season (just to see if they 're better). The R4 I believe is carbon-metallic but a bit too much for street and I hear they don't grip for anything when cold or in cold weather so they tend to be a little dangerous. Like the guy says, there 's no such thing as a good all around street/race pad. There are pads that are good for street and low speed stopping and those that work best when hot or stopping from higher speeds.
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