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

System Specifications


Bore Diameter 91.992 mm - 92.008 mm (3.6217" - 3.6223")
Bore Out-of-Round-Max (0.010 mm (0.0004")
Bore Taper-Max. Top to 106 mm (4.173") Down 0.008 mm (0.0003")
Runout - Rear Face of Block to Crank. Ctr Line Max 0.05 mm (0.002")