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I have two figures and it equates to 9.8 thou or 250 microns which is what I work to.
10 thou is 1/4 of a mm so 9.8 thou is about 250 microns
All depends on the piston manufacture ( Different grades of alloy ) 0.0005"to 0.0008" is ok for OEM Honda.
Quote from: Trigger on August 18, 2017, 09:39:37 PMAll depends on the piston manufacture ( Different grades of alloy ) 0.0005"to 0.0008" is ok for OEM Honda.Good point about the piston make. In this case I'm talking about the Cruzinimage pistons and rings.