You might try a visual check with your eyes before deciding where to mount the gauges. Being 47 yrs old with bi focals, I can focus much easier going from glancing at A pillar gauges back to the roadway as opposed to looking down towards the top of my steering column and then back to the roadway. Just a thought...........
I am 46 yrs old with bi focals to; I was thinking the same this is all trial and error. I do some Fab work with Aluminum and S-steel we will see soon.:thumb: