I want to put Nitrous on my stock bottom end 318.Of course there are those who say that they will help me pick up my pistons afterward.Please offer some wisdom from those of you that have done it.I am bracket racing and waht to run 13.50.My set up is 318 with j heads with 188 valves.Performer intake and 600 edddy carb.I run 15.60 in the 1/4 mile.Car is a 1972 plymouth duster.Trans is 727.Rear end is 8 and 3/4 with 3.55 sure grip.I will use a 125 power shot system.