Important things to remember!!!!
Make sure your cherry picker can handle that much weight!!!
The engine/trans combination will weigh around 750lbs for a small block/c4, 850lbs for Cleveland/C6 and 950lbs for a big block/C6.
It is not just the weight of the lift, but how stable it will be, too!
If you have to swing the engine around with it waaaay up in the air to clear the radiator support, that makes the whole thing very tippy. The heaviest lift install I ever did was a 429/C6 into my old full size wagon, but I didn't have the heads or intake installed on the engine! That was pretty scary especially since I was doing it all by myself. It was no fun trying to muscle the trans tailshaft up to the more correct angle as I was lowering the engine down onto its mounts. With two people it would have been better, but you also have to be careful that the car itself is on jackstands because you don't want to have the engine come crashing down for whatever reason and the sudden weight on the car to lower it and crush someone.
Length of lifting arm
Most cherry pickers I have seen or rented don't really have a long enough lifting arm to grab as far back as you'll need to to lift an engine/trans combo. We have an extension that we bolt on to the arm for lifting engine/trans together. The problem is that the original arm itself might not be strong enough to be able to handle the added moment arm (leverage) of the weight that far out from the ram. We added additional truss-type bracing to Terry's cherry picker.
If you will look at the weight ratings of the cherry pickers that have the extendable arms, you'll see that the weight rating goes down significantly with the longer lift arm.