Plug gaps seem a little wide - cannot remember setting them like that, but these plugs have done 10000 miles since the engine rebuild, mainly in France.
Engine still won't rotate, so another dose of diesel, and I decided to look at bits of the car. Carburator linkages are bust so I must order some, had the distributor cap off, and low and behold contactless ignition.
Traced this lot back to the module on the drivers suspension turret that I had thought was ABS related - its not its the ignition module.
Now the interesting part, had a look at the electronics module in the passenger footwell