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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Valve Spring: Specifications

Valve Spring Free Length	1.724-1.783 Inch (in) Note: Outer, 1.787-1.846 inches.
Seat Pressure	16.5-20 lbs. at 1.515 Pound Force At Inch (lbf @ in) Note: Outer, 30.8-34.6 lbs. @1.614 inches.
Out Of Square Limit	0.04 Inch (in)