Not sure what your doing but you can use a strap wrench around the bottom pulley to hold the crank from turning.
Yes, but you have to remove the automatic transmission housing, and you have to replace the Torque Converter with a standard transmission clutch that matches the type of transmission with which you are mating the engine.
of course you can!
If the car has an automatic transmission, then it might have lock up torque converter. If the torque converter is engaged while the engine is at idle, then the engine will stall. Bring the vehicle to reputable transmission repair facility and have the replace the torque converter clutch solenoid.
No, as long as the engine is not running hot it will not bother the transmission.
A car with an automatic transmission.
If the car is automatic you must have the footbrake applied to shift from park.
yes you can all you need to do is switch the automatic flywheel and putt on a standard flywheel and make sure the clutch from the transmission will bolt up to the flywheel.
Most likley, what is the make of car and year engine size?
A torque converter. And usually a clutch as well, for better fuel efficiency.
Yes you use engine oil in all cars regardless of transmission.
yes it will i just had an automatic engine installed in my manuel car. and used the old harness
Yes. Will it be cheap? Probably not, unless your car is really old. Transmission and engine work are probably the most expensive modifications you can make to a car.