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Piston clearance is measured in thousandths of an inch, not microns.
There's a big, big difference.
The figure you stated would cause an engine to seize, as it is entirely too small.
Pop
If you think in terms of oil film thickness on the cylinder wall, 2 to 3 micron is accurate.
This may have some mfg propaganda in it but I believe it is accurate. What Are Clearance-Sized Particles, CSP?
04-28-2012, 09:01 AM
