Research engine in diesel mode:
1 exhaust gas connection,  2 cooling water inlet,  3 dial gauge for monitoring the cylinder position when adjusting the compression ratio,  4 diesel injection pump,  5 ignition coil for petrol mode,  6 throttle cable for diesel mode,  7 petrol hose with fuel filter,  8 ignition angle adjustment,  9 mounting for diesel injector during petrol mode,  10 TDC marker indication,  11 carburettor