Dv
I've run single stage compressors all day long driving up to three framing nailers off our big compressors--8 hrs a day, 5 days a week--Campbell-Hausfeld, Sencos, etc., also use them for air caulk guns, concrete chippers/hammers-- maybe in automotive work they aren't enough on a daily basis--but for occassional use they'll drive an impact wrench just fine in my experience-
but what do I know