Turbocharging System
The turbocharger is designed to increase power and low engine speed torque by utilizing exhaust gas flow to pump pressurized air into the engine.
The system is specifically designed to avoid turbo lag and ensure maximum engine torque is available between 1800RPM and 3800RPM.
Key Components
The turbocharger consists of an exhaust turbine, shaft, compressor, and centre housing assembly.
The system also includes a wastegate, dump valve, and fuel pressure regulator to control boost pressure and prevent fuel starvation.
Carburettor and Fuel Injection
The Solex 4A-1 carburettor is used in conjunction with an economy device piston to refine fuel delivery.
From the 1987 Model Year, the carburettor is replaced by a Bosch KE-2 Jetronic fuel injection system.
Cooling Requirements
The turbocharging system increases the efficiency of power delivery, reducing overall engine cooling requirements.
However, localized heating may occur, and supplementary heat shields are used to protect critical components.
Manual:
Download: Bentley Mulsanne Turbo and Turbo R Workshop Manual
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