On this edition of "Not Another Compressor Question", I was hoping for some help from more knowledgeable people than me. I have a 2003 Bostitch CAP20280WB just like this one. It claims to have 7.6 CFM at 40 PSI and 6.5 at 90 PSI with twin 4 gallon tanks. I don't use it a lot, it mostly sits...