I aired up my truck tire with 1/4 of a pound,,sure help it a lot....it is now just like I want it,,,,thought that I would help make this a truck topic,,glad to see Truck-ed up watching the race, sort of like football, the last few min are sometimes the best....just got back from a short drive, still have not taken care of my glove-compartment,,dont know where I would put the stuff, I am sure it is stuff that I need,,