| Year | 1994 |
| Date | 01-Jul |
| Volume | 173 |
| Issue | 3,972 |
| Page | 30 |
| Category | Internal Combustion |
| Part | 1 |
| Title | The Endless Engine |
| Author | Peter Johnson (Victoria, Australia) |
| Notes | Describes building an experimental four-cylinder petrol engine, started in 1982. Valves, workmanship, cylinder head, troubles and remedies, cams, picture on page 3 |