Maybe find a pan off of a 45re from a 2nd gen ram. Same bolt pattern as a 727 and deeper. I don't know how much more than 727 or how much less than b&m.
76 j10 short, 360 nailhead th400 D20, 3.54, 4" lift, 31" bfg ko2
Comp cam sk10-200-4
Edelbrock performer w/1406