Ignition System: Distributor
Models that use a distributor, are equipped with High Energy Ignition (HEI) system with Electronic Spark Timing (EST).
PICK-UP COIL RESISTANCE (OHMS)
| Applictation | Resistance |
|---|---|
| All Engines | 500-1500 |
IGNITION COIL RESISTANCE (OHMS)
| Application | Resistance |
|---|---|
| HEI Integral Coil | 500-1500 |
IGNITION TIMING SPECIFICATIONS
| Application | Degrees BTDC @ RPM |
|---|---|
| 4.3L TBI (VIN Z) | 0 @ Idle |