How long does it take you to air back up with it.
I can air up my 285/75/16's (33"-ish) from 18 PSI back up to 35 PSI, in 4min 30secs per tire, pretty good. My airbags, which aren't much bigger than a soda pop can, air up from 50 PSI to 85 PSI in seconds, maybe 10 -15.