I am just wrapping up a frame up restoration on my 1968 396 SS convertible and I am trying to figure out why the console with gauges four speed trim plate is different from what the factory assembly shows, for example the one that came with my car has no mounting studs for shifter slider and has part#3921801 VS. 3921800 shown in A.I.M.,does anyone know of a design change late in 1968 with this plate? I want this car as accurate as possible since I plan to have it judge at the national next year and have attached pics with my original plate and a repro plate that looks like the one in A.I.M.. Thanks, Curt