Operation CHARM: Car repair manuals for everyone.

Piston Ring

Side Clearance 0030-.0040 Inch (in)
Oil ring 0.04528 Inch (in)
max
Compression (Top) 0.000354-0.000925 Inch (in)
Compression (Bottom) 0.00118-0.00315 Inch (in)
Oil Ring Snug Fit
Ring gap Compression (Top) .006-0.0018 Inch (in)
Specification in 90.200 mm diameter gauge.
Compression (Bottom) 0.0018-0.0022 Inch (in)
Specification in 90.200 mm diameter gauge.
Oil Ring (Steel Rail) 0.00591-0.02598 Inch (in)
Specification in 90.200 mm diameter gauge.
Piston Rings Compression (Top) 0.03937 Inch (in)
max
Compression (Bottom) 0.03937 Inch (in)
max
Service limit 0.04528 Inch (in)