Its a non CAT car - I must stress that everything is in excellent working order, the exhaust is sealed, no cracks in the manifold etc.
New Air Filter
The swing plate that acts on the underside of the fuel distributor works properly, the actual throttle body is fine,
Hmm - is it like to have gone slack? what should the timing be? Its on its original chain and tensioner.
I was thinking it was more likely the fuel pump or fuel pump relays