How to remove a slant six engine from car?

The 2 bolt bosses on the head can be the chain mount tabs. The rear boss will balance the engine and trans, the front will balance the engine only. Kinda neat how that works. Id pull both at the same time using the front bolt as it will pull it at about a 45 degree angle, enough to clear the rad support, just pull the rad out so you got a little wiggle room. Once its up, just maneuver the trans tail up and roll the car back from under it.
I use both bosses with about a 12" length of chain. It's at the perfect angle to pull the engine and transmission both.