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      07-15-2010, 05:32 PM   #26
Throtex
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Drives: 2009 E92 M3
Join Date: Mar 2009
Location: Fairfax, VA

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I am a noob with a grand total of 8 track days (ever, all this year). I'm on stock pads/rotors (fluid recently flushed, still on DOT 4). Everything has held up remarkably well despite my fairly harsh usage of the brakes.

That said, this past weekend on Jefferson (Summit Point) was the first time I experienced some noticeable material transfer, regardless of any efforts to cool the brakes down. That's just a harsh track on brakes compared to the other Summit tracks, in my limited experience. No stopping issues, just a minor bit of shuddering at the wheel.

It's quickly going away under regular driving this week, just got to wear it down a bit. No big deal. The stock brakes seem perfectly competent to handle 20 minute-at-a-time HPDE events.
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