Ignition · Ignition and Tune-Up
| System | Ignition and Tune-Up |
| Subsystem | Ignition |
| Years | 1978–1983 |
| Vehicles | 911 Turbo |
| Confidence | Cross Referenced |
Source: Porsche Technical Specifications (WKD 422 720, 911 SC/Turbo 3.3, 78-81 Models), page 97 - Ignition Timing Values 911 SC and 911 Turbo; cross-referenced against WKD 423110 (911 SC/Turbo, 82,83 Models), page 101 - Zuendeinstellwerte