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

Oversize Availability

Piston & Piston Ring End Gap Orientation:






Pistons are available in standard sizes and oversize of 0.030 inch. Rings are available in standard sizes and oversize of 0.030 inch. When installing piston rings, stagger piston rings as shown in Fig. 9.