/6 engine removal with hood in place?

You can use a cherry picker to remove the engine without removing the hood in a car (A body) by removing the Head and manifolds first. Then use the head bolt holes with shorter 7/16 bolts and a chain on your cherry picker!
To remove the entire assembled engine, the hood will have to come off or take it out the bottom. If removing from the top O suggest removing the bellhousing and pressure plate, Flyhweel removed will give you more wiggle room too in an A body.