Manifolds, exhaust and emission control systems

All models utilise a light alloy inlet manifold which on carburettor models is coolant heated to improve the atomisation of the fuel/air mixture.

The exhaust manifold is of cast iron construction and incorporates a heated air box as part of the air inlet system on carburettor models.

See also:

Air cleaner air temperature control - description and testing
Thermostatically-controlled air cleaner 1 On all pre-1986 models and certain models from 1986 onwards, the air cleaner is thermostatically-controlled by a vacuum operated system to provide air at ...

Exhaust emission control system components - removal and refitting
Carburettor engines Spark delay/sustain valve Removal 1 Disconnect the vacuum lines at the valve and remove the valve from the engine. Refitting 2 When refitting a spark delay valve it must be ...

Fuel tank - removal and refitting
The procedure is as described in Part A of this Chapter for carburettor engines. ...