Don,when I did a 40 I used a 2 speed truck r.e. motor that moved the lever up & down when it reached the end of travel it would just free wheel on both ends wont tear any thing up,Made brackets to hold it in place worked great Cliff.
The full length webblng on bottom arent all 78 cases i had a 100 percent stock 36 that had the full lengrh webbing with the serial no. of car on the case it was the 48 case.I have a full webing case if inst.e-mail tipper52501@yahoo.com Cliff
Have a never used Charlie conv.s.b.c.to ford this is a neat marine dist.with no vac.advance Mallory cond.e-mail tipper52501@yahoo.com many other f.h.parts many o.d.trannys incl.49-50 Merc.can e-mail pics Cliff.