Originally Posted by kerry edwards

To test your fuel delivery, disconnect the fuel line from the tank and run it into a small container of diesel. See how it runs with this direct feed. I think poor fuel delivery could produce hard starting.
The smoke could be a number of things. Oil can enter the combustion chambers via a bad vacuum pump diaphragm on that model I think. It also could be bad or sticking oil control rings. Compression seems acceptable, but you shouldn't have needed to shave the head to get those numbers. I makes me suspect the rings more than I normally would. Poorly adjusted valves can cause hard starting but with those compression numbers, the valves seem to be ok.