I just pulled a 250 out. I use a mounting hole on the passenger side at #2 cylinder and a intake mounting bolt around #4 cylinder. These engines are relative light, so 3/8" bolts are plenty for lifting. Key is to keep the chain equal length from the center.

Chevy L6 194-250 cid 440 lbs
Chevy L6 216/235 cid 630 lbs
Chevy small block V8 575 lbs with iron heads and intake
Chevy small block V8 535 lbs with iron heads/alum intake

Joe