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

Block Distortion

Check the cylinder block for flatness of the head gasket surface following the procedure and specifications recommended for the cylinder head. The cylinder block can be machined to bring the head gasket surface within the flatness specifications, but not to exceed 0.254 mm (0.010 inch) stock removal from the original head gasket surface.