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

Ignition Timing


TIMING PROCEDURE

1981-88 All with vacuum advance: Disconnect and plug vacuum advance hose before adjusting. Check timing against specified value.

1987-90 E16/GA16 EFI: Check timing against specified value. Disconnect throttle sensor harness before adjusting.

CA16 CA18 DOHC: Remove spark plug/coil cover. Connect inductive clamp to wire between #1 coil and spark plug. Rotate crank angle sensor to adjust.

1990 2960cc 300ZX: Remove #1 coil from mount and connect inductive clamp to high tension wire. Rotate crank angle sensor to adjust.

All Others: Set timing to specified value.