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

Valve spring compression pressure (N @ spec. length)	Intake	89.92 +/- 4.94 at 0.964 inch
	Exhaust	89.92 +/- 4.94 at 0.964 inch
Valve spring free length (approximate)	Intake	1.740 inch
	Exhaust	1.740 inch
Valve spring installed pressure (N @ spec. length)	Intake	39.34 +/- 2.24 at 1.315 inch
	Exhaust	39.34 +/- 2.24 at 1.315 inch