ait bags.

true.
ok, what size orifice is on the valves, what size internal diameter lines, and how long is it taking to lift?

i got 2500 stones in the front with 1/2" line and 3/8 valves and i can hop at 180 psi and my shit gets up quick at 145 which is what i normally run it at i got the valves at the tank and its a 5 gal tank