I like Shrader valves better, just in case you need to fill it up at a gas station or the fittings on the airhose you are connecting to is the wrong type.
use 2 ball valves 1 for front and 1 for rear and u want have any problems and if you need air going down the road just carry along a portable air tank just in case
thanks guys, i think i'm going with the ball valve. the kid is just driving it to the shop so it's just a quick fix. does anyone have a close up pic by any chance?