It is vital that all tanks are gauged. My carver draws fuel from the port tank for the generator. This will cause unequal amounts in the hanger...
Try that port/aux switch as a toggle. I can't imaging that the there is not a gauge reading for each tank. For pure safety reasons you need to...
My 356 is also like trmnewt. The right side of the dash has a toggle that reads port and starboard. When you hold it to either side the gauge...