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:

Cylinder block and bores - examination and renovation
1 The cylinder bores must be examined for taper, ovality, scoring and scratches. Start by examining the top of the bores; if these are worn, a slight ridge will be found which marks the top of the ...

Windscreen and fixed window glass - removal and refitting
Windscreen Note: The average DIY mechanic is advised to leave windscreen removal and refitting to an expert. For the owner who insists on doing it himself, the following paragraphs are given. Rem ...

Ignition timing - adjustment for use with unleaded petrol
Note: Refer to the Specifications Section at the beginning of this Chapter for ignition timing values for use with unleaded petrol. 1 To run an engine on unleaded petrol, certain criteria must be ...