Well, the thing is that I don't have a lot of cash to put in pumps, and I would need about 8 of them. I know there are pumps designed for that kind of use, but their a bit pricey compared to car pumps.... Thanks for the info though, really helpfull. Jocelyn, Quebec, Canada _________________________________________________________________ STOP MORE SPAM with the new MSN 8 and get 2 months FREE* http://join.msn.com/?page=features/junkmail