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Ignition Timing

Manual Transmission 49 States And High Altitude
24 at 800+/-50 Degrees Before Top Dead Center At RPM (deg BTDC @ rpm)
California
20 at 800+/-50 Degrees Before Top Dead Center At RPM (deg BTDC @ rpm)
Automatic Transmission 15 at 750+/-50 Degrees Before Top Dead Center At RPM (deg BTDC @ rpm)
In "D" range.