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)

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Valve Spring

Valve spring free length	Intake	2.101 inch
	Exhaust	2.101 inch
Valve spring installed pressure @N 9 spec. length	Intake	287.19-321.19 N @ 1.676 inch
	Exhaust	287.19-321.19 N @ 1.676 inch
Valve springs installed pressure N @ spec. length service limit	Intake	5% pressure loss @ 1.134 inch
	Exhaust	5% pressure loss @ 1.134 inch
Valve springs - out of square limit,	Intake	2.0°
	Exhaust	2.0°