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Why Is Driving Through Snow Bad for Braking?

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Old 02-14-2010, 03:20 PM
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Originally, I had discarded the water surface theory because the brake degradation would stay for 20 minutes or so; even brushing the rotors helped only temporarily. Now that it's been discussed here, I realize that the melting snow and ice keeps dumping water onto the rotor, and as long as that happens, I have to keep brushing the rotor or just be ready for degraded braking. Thanks for the discussion, guys; although I don't understand if slotted rotors would truly help.
Old 02-14-2010, 03:21 PM
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Originally Posted by SpitfireS,Feb 14 2010, 01:09 AM
Think about this: how cold is that top when you close it?
I don't think my top is one of those that can actually open or close.
Old 02-14-2010, 08:52 PM
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Originally Posted by laurensdejong,Feb 14 2010, 06:20 PM
Originally, I had discarded the water surface theory because the brake degradation would stay for 20 minutes or so; even brushing the rotors helped only temporarily. Now that it's been discussed here, I realize that the melting snow and ice keeps dumping water onto the rotor, and as long as that happens, I have to keep brushing the rotor or just be ready for degraded braking. Thanks for the discussion, guys; although I don't understand if slotted rotors would truly help.
The whole point of slots is to wipe the braking surface clean of debris. Debris can be anything from to dirt to water to snow.
Old 02-15-2010, 11:22 AM
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Perhaps you should find out how disc brakes actually work.

http://auto.howstuffworks.com/auto-parts/b.../disc-brake.htm
Old 02-15-2010, 05:06 PM
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your tires might just be cold...

cold rubber (ambient temp plus the snow/slush = damn cold rubber) is too hard to stick to pavement...

After a while of running on pavement the temp should rise a little --- but summer tires (and/or most high speed rated rubber) and snow are a big no no
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