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

Pistons, Pins and Rings

Piston Diameter (Std.) 3.4434-3.4441
Piston Clearance 0.0009-0.0022
Piston Pin Diameter 0.8660-0.8662
Piston Pin To Piston Clearance 0.0001-0.0007
Piston Ring End Gap (Minimum)
Compression
Top 0.0098-0.0200
2nd 0.0090-0.0180
Oil 0.0098-0.0250
Piston Ring Side Clearance
Compression
Top 0.0011-0.0031
2nd 0.0011-0.0031
Oil 0.0004-0.0070


All measurements given in inches, unless otherwise specified.