Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Piston Ring, Engine

Piston ring end gap-top 0.15 - 0.38 mm (0.006 - 0.015 inch)
Piston ring end gap- 0.25-0.50 mm intermediate (0.0098-0.0197 inch)
Piston ring end gap-oil control 0.15 - 0.65 mm (0.0059 - 0.0256 inch)
Piston ring groove width * top 1.503 - 1.505 mm (0.0592 - 0.0593 inch)
Piston ring groove width * intermediate 1.502 - 1.504 mm (0.0591 - 0.0592 inch)
Piston ring groove width * oil control 3.030 - 3.050 mm (0.1193 - 0.1201 inch)
Piston ring width 1.5 - 1.47 mm (0.0591 - 0.0579 inch)
Piston ring-to-groove clearance-top 0.033 - 0.005 mm (0.0013 - 0.0002 inch)
Piston ring-to-groove clearance-intermediate 0.033 - 0.005 mm (0.0012 - 0.0031 inch)