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Old 04-30-2017, 11:10 PM
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3Phase 3Phase is offline
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Join Date: May 2008
Location: Simi Valley, CA
Posts: 5,465
Pfft. Six thousandths?

I just checked one of the old '79 cast 2nd rings and it's slightly thinner than the uncoated steel Top ring with a 1.172 mm thickness.

There's about 0.33 mm or slightly over 0.013" side clearance in the 2nd groove of a 2H7 and a 3H5 piston.

Yeah....
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1982 XJ1100J: "Baby" SS Brakes, '850 FD, ACCT
1980 XS1100G: "Columbo" SS Brakes, '850 FD, ACCT
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