nos on a 2004..

i just purchased a 2004 silverado with a 5.3L ... i was wonder what size shot i shoud run ...i have a diablo preaditor programmer and 4.11gears and throttle boddy spacer and AEM intake and flowmaster muffler .... just looking for insite on what i can run without fucking something up..

i just purchased a 2004 silverado with a 5.3L ... i was wonder what size shot i shoud run ...i have a diablo preaditor programmer and 4.11gears and throttle boddy spacer and AEM intake and flowmaster muffler .... just looking for insite on what i can run without fucking something up..

What kind of nitrous kit are you planning on using? Wet or dry? These motors have no trouble running a 100-125 shot. I don't know too much about running the nitrous on the diablo tune, since it has messed with your air/fuel mix already. You would probably be ok running a small dry shot before the maf and letting it determine your mix, but you might want to think about an injector upgrade. A wet shot would probably be your best bet. I'd get in contact with diablo and ask them about their tune and if it would be ok to run the nitrous.

i have a zex wet kit

i have a zex wet kit

You should have no problems running that kit, but I would still check on your tune first.