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post #2 of (permalink) Old 06-07-2019, 06:14 AM
Richard Jemison
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Join Date: Apr 2005
Location: Pensacola, Fl. U.S.A.
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Alignment of ATE Brake piston cutout

The flat on the piston is to allow clamping force to be even over the pad surface inder pressure, compensation for the rotary force of the disk coming through the pads.
That cutout`s flat section should match the angle of the rotor`s spin at the area of the bottom of the pad.

Richard Jemison
RJR Racing

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