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, Engine

Diameter Coded Red 3.5024 - 3.5031 Inch (in)
Coded Blue 3.5035 - 3.5041 Inch (in)
Coded Yellow 3.5045 - 3.5051 Inch (in)
Piston-To-Bore Clearance 0.0012 - 0.0022 Inch (in)
Service Limit 0.031 Inch (in)
MAX
Piston Bore Diameter Service Piston Grade Required Red 3.5043 - 3.5053 Inch (in)
Blue 3.5053 - 3.5063 Inch (in)
Yellow 3.5063 - 3.5073 Inch (in)
Ring Groove Width Compression (Top) 0.0602 - 0.0612 Inch (in)
Compression (Bottom) 0.0602 - 0.0612 Inch (in)
Oil 0.1587 - 0.1596 Inch (in)