My friend, Bobby Roper, a master machinist did all the machine work on that plate; I can't tighten a screw with a screwdriver without stripping the screw threads, or breaking the blade... (That's his '69 Camaro in the wheelie picture I posted, earlier.)
But, thanks, anyway... I should have given him credit, before.:sad11:
That relief was necessary because the plate was about an eighth of an inch too thick for the supercharger to mount properly (it surrounds the mount at that point.) Bobby's retired, but still has his lathes and vertical mill, and is a pretty good welder; all things that have made MY life easier in my mis-directed efforts to build fun cars.