Replacing Front Seal on a 727

I have a hydraulic engine hoist, jack stands, an extra yoke to keep the tranny from puking fluid when turned at a sharp angle. The reason I mentioned pulling the engine/tranny as a unit is I helped my son replace a 904 on a 318 a few years ago and it was a real pain dealing with the torque converter and bell housing bolts. I have no experience with 727's. The replies so far are very helpful. Thanks