Nitrous question

[My68myway]

I just bought a NOS sportsman fogger set up for my car. The motor is a .040 over 350 with a comp magnum 270 cam, headers, intake, 9.375 comp ratio, stock rods, and 4 bolt mains. Nothing radical i know, I had planned on running the nitrous set up on the motor once it got a major overhaul with forged internals etc but i got this system new for a steal. I cant stand just looking at it sitting there anymore. My question is how much nitrous do yall think that motor can take before i have to start worrying about messing anything up?