okay i have this nitrous kit it actully made up of things that my friends dont use and now my question is are all jetting the same or does it depend of which nozzle that your using. i have both two noz nozzles and then i used nex jetting which worked out fine until one jetting fell off and now i need one ASAp b4 the race which is cummin up in 3 days, can somebody please help me are they all the same meaning can i use either NOS jettings OR NEX jettings or not. and also how much shot cna i use for my b20 oh yeah sadly everything is stock still.