 Setting the Piston 20º Angle, I get this question a lot... |
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| Eric_Shea |
 Jan 4 2011, 10:42 PM
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PMB Performance  Group: Admin Posts: 19,275 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains   |
I get this question a lot so I thought it might help to have it posted in a thread that can be searched etc.
The best way to set a piston angle without using the gauge is to draw an imaginary “Center Line” down the center of the pad cavity. This is illustrated by the “Red” line in this picture. Set the angle facing the side that has the bleeder. This is illustrated by the yellow arrow in this picture. This denotes the “Top” of the caliper. By setting the bottom notch of the piston on the center line it will automatically give you the 20º angle as illustrated by the “Green” line in this picture.  |
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| sean_v8_914 |
Jan 5 2011, 09:53 AM
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Chingon 601 Group: Members Posts: 4,011 Joined: 1-February 05 From: San Diego Member No.: 3,541 |
what is teh reason for this piston orientation?
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| realred914 |
Jan 14 2011, 10:50 AM
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Senior Member Group: Retired Members Posts: 1,086 Joined: 1-April 10 From: california Member No.: 11,541 Region Association: None |
QUOTE(sean_v8_914 @ Jan 5 2011, 07:53 AM)  what is teh reason for this piston orientation? the bump on the piston top is desinged to force one side of the pad on the rotor first, this gives smoother transition from no pad contact to full pad contact. one easy other way to get the angle right is to simply use the metal pad spacer that should be under each front pad, the angle is cut into tha metal spacer, line up that angle with the cut bump in the piston top and your in ok this spacer serves to prevent the piston from rotating out of postion. it is the perfect tool for checking the angle. |
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Posts in this topic
Eric_Shea Setting the Piston 20º Angle Jan 4 2011, 10:42 PM
geniusanthony Eric, you took the time to post this so rather tha... Jan 5 2011, 01:22 AM
76-914
Eric, you took the time to post this so rather th... Jan 5 2011, 01:09 PM sixnotfour :santa: Jan 5 2011, 04:08 AM Eric_Shea Thanks Jeff, that's probably a better picture ... Jan 5 2011, 08:03 AM willamp I recently changed pads and rotors and simply push... Jan 5 2011, 08:20 AM Eric_Shea Good question Phil.
The answer is "probably ... Jan 5 2011, 09:48 AM SLITS
what is teh reason for this piston orientation?
... Jan 5 2011, 11:31 AM Eric_Shea
That's because you like to view things from... Jan 5 2011, 12:31 PM Eric_Shea I saw God at WCR. Had a red mohawk... or was it p... Jan 5 2011, 03:27 PM sixnotfour If we can rope Jeff back in here, I believe he has... Jan 14 2011, 01:10 AM Eric_Shea Only 914 kits come with the angle piece. All other... Jan 14 2011, 11:00 AM |
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