I need some explanation on what the diff. is between a wet/dry shot and which one is more beneficial for our trucks?
Will a 50-75 shot be safe with a #4 lower/chip and no internal upgrades..thanx-josh

 

Wet shot means that you have 2 solenoids(valves), one for n2o and one for fuel. It sprays fuel and n2o in together certain combinations, which allows for better fuel/nitrous mixture/atomization, plus puts less stress on the fuel rails. A dry shot is just shooting nitrous and letting the fuel compensation run through the fuel rails. A wet shot is generally safer because it safeguards against detonation (lean condition) and provides better nitrous atomization with the fuel (more even burn).

Sal at PSP recommends up to a 75 shot with 4# extra boost. 50 or 75 should be fine.