Operation CHARM: Car repair manuals for everyone.

Ignition Timing

CALIFORNIA
With Vacuum Hose Disconnected.
Manual Transmission
5 +/- 2 Degrees After Top Dead Center (deg ATDC)
Automatic Transmission
In "D" Position.
5 +/- 2 Degrees After Top Dead Center (deg ATDC)
FEDERAL
Manual Transmission
10 +/- 2 Degrees Before Top Dead Center (deg BTDC)
Automatic Transmission
In "D" Position.
10 +/- 2 Degrees Before Top Dead Center (deg BTDC)
CANADA
With Vacuum Hose Disconnected.
Manual Transmission
5 +/- 2 Degrees After Top Dead Center (deg ATDC)
Automatic Transmission
In "D" Position.
5 +/- 2 Degrees After Top Dead Center (deg ATDC)