Drilled Slotted Rotors
#13
RE: Drilled Slotted Rotors
Well you guys together almost got it. If you add together all the posts you are real close.
There are several companies make good drilled and slotted rotors for the H3. I agree with the consensus, you do not need them for the 3. The 3 is one of the few GM trucks to have adequate brakes right from the factory. GM has been criticised for being too conservative in brakes for years. If you want the drilled and slotted rotors to show thru your huge chrome rims, go for it. They will eat pads like crazy because the cross drill slotted surface INCREASES BRAKE FRICTION even though there is less total rotor surface contact with the pad. You need to run a hard pad, like titaniums, and they still will be chewed up pronto. Your front pad life is probably less than 20k. Yes they eat pads! The cross drill technique is to increase air surface contatct for heat dissapation and minimize gassing in extreme conditions. The slots are to clean/strip pad surface to increase friction. In wet braking it is hard to beat a slotted rotor. Since we are not racing road courses in the rain, I'll pass on this mod.
There are several companies make good drilled and slotted rotors for the H3. I agree with the consensus, you do not need them for the 3. The 3 is one of the few GM trucks to have adequate brakes right from the factory. GM has been criticised for being too conservative in brakes for years. If you want the drilled and slotted rotors to show thru your huge chrome rims, go for it. They will eat pads like crazy because the cross drill slotted surface INCREASES BRAKE FRICTION even though there is less total rotor surface contact with the pad. You need to run a hard pad, like titaniums, and they still will be chewed up pronto. Your front pad life is probably less than 20k. Yes they eat pads! The cross drill technique is to increase air surface contatct for heat dissapation and minimize gassing in extreme conditions. The slots are to clean/strip pad surface to increase friction. In wet braking it is hard to beat a slotted rotor. Since we are not racing road courses in the rain, I'll pass on this mod.
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