I have a Mig clock but yet to fit it. I have tried testing cuts in both wood and metal to assess mounting it as the tolerance between the clock body and the visible "bezel" front is pretty close. You will need to be accurate with your hole cutting. Mine is not a perfect circle and has bulges on the sides so I made a template to mark out the wood/metal test panels. I used a holesaw to start cutting the orifice close to the lines with smaller drills to start the bulged areas, and finished it off with a sanding attachment in a drill.
Mine will likely be set into a panel below the dash or on the transmission tunnel as there is no suitable spot in the dash, similar to the Plus4 Supersport stopwatch mounting.
Having put the job off for 2 years(!) it could well be done over the winter in amongst other jobs. House move permitting.
