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

Valve: Labor Times

Standard HoursManufacturer Warranty HoursSkill LevelNotes
Resurface/Grind
One Cylinder
Right Bank10.87.7AIncludes: R&I Cylinder Head, Grind All Valves & Seats And Make All Necessary Adjustments.
Left Bank11.88.3AIncludes: R&I Cylinder Head, Grind All Valves & Seats And Make All Necessary Adjustments.
Both Banks13.79.7AIncludes: R&I Cylinder Head, Grind All Valves & Seats And Make All Necessary Adjustments.
All Cylinders
Right Bank11.88.4AIncludes: R&I Cylinder Head, Grind All Valves & Seats And Make All Necessary Adjustments.
Left Bank13.09.0AIncludes: R&I Cylinder Head, Grind All Valves & Seats And Make All Necessary Adjustments.
Both Banks18.211.0AIncludes: R&I Cylinder Head, Grind All Valves & Seats And Make All Necessary Adjustments.
NOTE
To Knurl Valve Guides, Add
One0.10.0A
To Tune-Up, Add0.70.0A
To R&R Valve Guides, Add
One0.20.0A
To R&R Valve Lifters, Add
Each0.20.0A