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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I have heard that there is 2 types of "spraying" you can use. I think one puts it into the air fuel mix, and then there is one that goes right into the head. I don't know much about nitrous but which type are you looking into using and why?
I would just stay with a 75shot of nitrous. I have heard of people that are running a 125shot no problem hitting high 12's and others are having problems running a 75shot. Just play it safe with the 75shot.
dry shot is as riksy as you can get...you have a much better chance of running lean...i would guess that on a stock setup, with a good tune, you should be ok running a 75 shot trigger by the TPS.