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

Valve Spring

Outer valve spring free height	2.016 inch
Inner valve spring free height	1.736 inch
Outer valve spring pressure	117.7 lb at 1.181 inch
Inner valve spring pressure	57.3 lb at 0.984 inch
Outer valve spring out-of-square	0.087 inch
Inner valve spring out-of-square	0.075 inch