The head has aftermarket valves...Could I just go nos..With the blockguard??? I know someone who has a ls motor runing 18psi and a 100 shot and runs 11's in a hatch..But hes crazy..I would be happy just spraying nos..If I was just going to spray on it..How much would i be able to spray?? I know I can spray 100 cause I've seen people spraying 100 on stock blocks..