Mike.. This car.. has floor shift, I suppose next step is to remove the starter and bench test it. Can the solenoid be taken off and cleaned ? lubed? Plunger realigned?
i got the car (image below) for $750 becuase he thought it might need a starter, and some left rear quarter panel damage, but it has started reliably for 2 months.. AND runs great except for mild smoke which I assume is valve guide seal related, it has excellent power.. In the owners manual they refer to a hotter Bosch spark plug for hard driving..

Would one heat range hotter plug
help a bit with the smoking...?