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SBK930's Avatar
Join Date: Jul 2016
Location: Australia / Straya
Posts: 315
Ring gap

Trying to find out the maximum acceptable gap of the rings when the rings are in place on the turbine shaft. Both the turbine and compressor side of a Borg Warner K27 7200 7006 turbocharger.

Old 07-18-2017, 12:35 AM
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Join Date: Jan 2015
Posts: 1,333
If it was a Holset I could help you. They are 2.0 mm free gap and 3.5 mm clearance width between the rings and the wall of the shaft groove for a two ring seal.

that 2mm free gap is the minimum, they don't give a spec for max.

Last edited by boosted79; 07-18-2017 at 04:38 AM..
Old 07-18-2017, 03:10 AM
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