The first item off was the clutch - six bolts removed evenly to prevent distortion. Next the flywheel. This is held on with a nut tightened to around 220 lb foot so it is necessary to prevent the flywheel turning. Using the nut at the other end of the crankshaft isn't an option as the forces involved would likely damage the crankshaft. I decided to use a big lever between two of the clutch bolts - pictured below.
Unfortunately this lever was not up to the job and bent - and so did all the other levers I had to hand. So this job was shelved until a stronger bit of metal can be found.
The carburettor was next off in preparation for removing the fan housing. The latter has a control rod running from the thermostat on the bottom of the engine. This control rod needs to be disconnected before the fan housing can be lifted. In future I'll know to remove the thermostat when the engine is still in the car because removing it once the engine is out, but still not on a stand, is a bit awkward. This is how engine looked once the fan housing was off (the tower block in the foreground is the oil cooler).
Next the fuel pump and dynamo pedestal were removed. The pedestal is also used as the oil filler and it was completely full of gunk - as can be seen from this picture of the underlying gasket.
Its clear from this picture that I won't be able to avoid splitting the crankcase as the whole case will need to be cleared of such gunk and rebuilt. Of course the easy option would be to continue removing the ancillaries and buy a replacement engine (with lead free heads). I'm in two minds...
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