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Is it normal the brakes to be noisier when running slotted rotors?

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Old 02-28-2008, 06:56 PM
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Default Is it normal the brakes to be noisier when running slotted rotors?
I just finished up my HP2 upgrade with EBC slotted rotors and they are noisier than my previous set up - single piston w/plain rotors.
Is anyboyd with slotted rotors experiencing the same effect?
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Old 02-28-2008, 07:24 PM
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Sometimes I get a sight "hum" under heavy braking.
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Old 02-28-2008, 07:53 PM
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That is what I am experiencing.
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Old 02-28-2008, 08:10 PM
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Default i di the exact same upgrade... I now get a sound when braking...
Almost a rapid rummble strip like sound. I attribute it to the slots hitting the pad.

Next brake job I'll try perf and see what ahppens.
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Old 02-29-2008, 03:09 AM
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Difference is pads, not rotors.
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Old 02-29-2008, 05:38 AM
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I am runing Hawk HPS.
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Old 02-29-2008, 05:44 AM
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What kind of noise. Sometimes drilled rotors make a "whizzing" sound under light braking.
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Old 02-29-2008, 05:46 AM
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Default It sounds like a rumbling hum. I think it is the slots scrubing the pads but just wanted to see what
the genreal experience is.
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Old 02-29-2008, 06:09 AM
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Yes. And the EBC were noisier than my current ECS slots.
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Old 02-29-2008, 06:35 AM
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i get the same hum as well with heavy braking with my slotted rotors
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