Piston Ring, Engine
Piston Ring WidthTop Compression 0.0577 - 0.0587 inch
Bottom Compression 0.0577 - 0.0587 inch
Piston Ring Side Clearance [1]
Top Compression 0.0013 - 0.0033 inch
Bottom Compression 0.002 - 0.004 inch
Oil Snug
Piston Ring Gap
Top Compression 0.010 - 0.020 inch
Bottom Compression 0.010 - 0.020 inch
Oil (Steel rail) 0.015 - 0.055 inch
[1] Allowable limit - 0.002 inch maximum increase in clearance.