With no idea what you are doing it would be a learning experience and an expensive one. I would suggest purchasing a shop manual for that vehicle and owning a full set of tools and some shop equipment.
No , when the engine is cool
put it out
you put it in the car
Never put gas in a diesel car. And never put diesel in a gas car. An engine is built to handle one and not the other.
No. Oil dipsticks are proprietary equipment that vary from engine to engine, car manufacturer to car manufacturer. They are not "universal" items.
The bigger your car, the more coolant you need to put in. The bigger your engine and car, the more coolant you need
SERVICE YOUR CAR ENGINE!!!! SERVICE YOUR CAR ENGINE!!!!
a good engine to put in a car i think is a 350 small block with a twin turbo. another is a 440 big block v8 with twin headers
friction
To prevent the engine from overheating.
You take one engine out of a car and put another one in. Done.
if it's a GM car tcc solenoid