Ignition System: Distributor
All Light Duty models are equipped with the TFI-IV EEC-IV ignition system. All Heavy Duty models are equipped with the Dura-Spark II ignition system. No internal adjustments are required on these systems.
DISTRIBUTOR PICK-UP COIL RESISTANCE
| Application | Ohms | ||
|---|---|---|---|
| Light Duty (TFI-IV) Models | (1) | ||
| Heavy Duty (Dura-Spark) Models | 400-1000 | ||
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IGNITION COIL RESISTANCE - OHMS @ 75°F (24°C)
| Application | Primary | Secondary |
|---|---|---|
| Dura-Spark II | 0.8-1.6 | 7700-10,500 |
| TFI-lV | 0.3-1.0 | 6500-11,500 |