Ignition Timing
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1994 GMC Yukon, 1994 GMC Suburban, 1994 GMC Pickup, 1994 GMC Cab & Chassis, and 1994 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For timing adjustment procedures, see appropriate ADJUSTMENTS - GASOLINE
article in the ENGINE PERFORMANCE section.
IGNITION TIMING (Degrees BTDC @ RPM)
| Application | (1) Man. Trans. | (2) Auto. Trans. | ||||
|---|---|---|---|---|---|---|
| 4.3L (VIN Z) | 0 @ Idle | 0 @ Idle | ||||
| 5.0L (VIN H) | 0 @ Idle | 0 @ Idle | ||||
| 5.7L (VIN K) | 0 @ Idle | 0 @ Idle | ||||
| 7.4L (VIN N) | 4 @ Idle | 4 @ Idle | ||||
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