I am starting a compressor build using a tank that is 1/8 steel and has a ton of threaded fittings everywhere but the tank is solid. I have a million questions and I am hoping that the great minds here can help guide me. [ATTACHMENT=1352]10177263_10203871613608520_7155695862630335835_n.jpg (99k. jpg file)[/ATTACHMENT] its 120 gallon and measures 66" between end caps so based on all of your experience ,would I be better off cutting one big door or 2? and how big?