FixVault

Ignition Timing

WARNING: This page is about a different car, the 1998 Porsche 911 and 1997 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

Ignition timing is controlled by ECM and is not adjustable. Value given in IGNITION TIMING  is for verification purpose only.

IGNITION TIMING

Application Degrees @ RPM
911 Carrera & 911 Carrera 4
Automatic Transmission TDC +/- 3 @ 710-790
Manual Transmission TDC +/- 3 @ 760-840