Ignition · Ignition and Tune-Up
| System | Ignition and Tune-Up |
| Subsystem | Ignition |
| Years | 1980–1983 |
| Vehicles | 911SC |
| Confidence | Cross Referenced |
Source: Porsche 911 Workshop Manual, Technical Data section ("Technical Data, Type 911 SC - from 1981 Models"), page 54; cross-referenced against Porsche Technical Specifications, WKD 423110 (911 SC, 911 Turbo, 82-83 Models), "Zündkerzenübersicht", page 102 (German edition, translated)