How much nitrous for this motor

[lollie]

I would like to know how much Nitrous you think I can run safely with this motor?
Thanks



A-4 o-ring block

internally balanced

347 ci

12.6.1

probe piston

eagle rod

forged crank

isky custom cam

.693 .713

.258 .266

112

trick flow R

stage III

fully ported victor jr.

ceramic coated

[Zeke1]

If " IF " the tune up is right it should take what ya give it 200-300-400 should be fine depending on your piston's are they for Nitrous, thick, ring's down, etc.