I HAD A VIAIR 450 -- TOOK IT TO 300 PSI AD I HAD 2 THREE GALLON TANKS -- I RAN IT STRAIGHT ON/OFF SWITCH AND HAD A GAUGE READ 300 EACH TIME --- DID THAT FOR ABOUT A YEAR --- THEN IT FINALLY CRAPPED OUT ---- NOW I SAY
F@CK COMPRESSORS -- I RUN STRAIGHT NITROGEN BEHIND THE SEAT OF MY STANDARD CAB TRUCK -----