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      07-05-2017, 09:46 PM   #50440
silvergray545
Skittles, OT OG
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Drives: Lots of M cars
Join Date: Aug 2008
Location: Cleveland, OH

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Garage List
2016 BMW M3 ZCP  [0.00]
2000 BMW M Roadster  [0.00]
2004 BMW M3  [0.00]
2014 VW GLI  [0.00]
Quote:
Originally Posted by 1MOREMOD View Post
That doesn't sound right you sure you don't have air or have boiled fluid one too many times. What pads, fluid and kit?
Stoptech ST40 355mm front and rear kit. Pads are PFC 08s and fluid is Motul RBF600. The kit and pads were brand new. I installed it and bled them until the pedal was hard as a rock. I did my first event with them and had the knock back problem first session out.

I'm as puzzled as you are. My friend is running a ST60/ST40 combo and has zero knock back.
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