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

Ring Gap Clearance-Top Compression Ring 0.0090 to 0.0240 Inch (in)
Ring Gap Clearance-2nd Compression Ring 0.0190 to 0.0380 Inch (in)
Ring Gap Clearance-Oil Control Steel Rails 0.010 to 0.060 Inch (in)
Ring Side Clearance-Compression Rings 0.0017 to 0.0033 Inch (in)
Ring Side Clearance-Oil Control Ring 0.0024 to 0.0083 Inch (in)