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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Engine Identification Number

Engine serial number - SFI engine









Stamped on a cast pad on the cylinder block, between numbers 3 and 5 cylinders.

Note: The appropriate engine compression ratio is stamped above the serial number.