lindbhr,
I recently did the same thing, took the SC console out of my '76 930, I prefer the look without the console. I just made a simple L bracket out of some sheet metal and mounted to the bottom of the ashtray bracket. I have a later ashtray in mine with plastic bracket. I also put the blower speed on the left because that is the one I use the most, seems more logical to me on that side.
Paul