I'm pretty sure it rotates, I've just had trouble moving them before. I like the socket idea.

Anyone have a method for securely supporting an engine that's OUT of the car while doing this?

'59 Chevy BelAir (v8)
'50 Chevy Fleetline DeLuxe ('55 235)
'48 Chevy Fleetmaster coupe (late 261)
Chicago