Having a 121 head, I've had a hard time finding suitable pistons for my matching number engine. So I decided to use the engine out of the spares car to practice on while I search for pistons.
The bearings wore pretty bad on the practice engine and the oil pump chain was too loose, the ring lands were way out of spec so I am just going to replace the bearings, new oil pump chain and put the old pistons back in and see if it will run.
I lifted the car body off the subframe using a chain block and a heavy duty rack shelf, and then pulling the the subframe out using an ATV lift:
Hooking up the gearbox to the engine:
With the engine mounted onto the subframe, I strapped everything down to the ATV lift with an extra trolley bearing the weight of the gearbox, I slipped it all into position: