Remove the starter. Use the chisel end of a shepherd's-crook shaped wrecking bar in the flywheel teeth through the starter hole. Be careful about how much force you apply- - - -those Hydramatic flywheels are hard to find, don't want to break any teeth off. Soak the cylinders with lightweight oil or Diesel fuel for a few days before trying to turn it over.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!