im getting ready to put a 75 shot on my my 91 gs the motor is stock would it be safe to run a 75 shot on stock motor and stock fuel system if not i was thinking i will get like a walbro pump a adjustable fpr and if thats not enough 310 injestors and safc and colder plugs im new to nitrous so i need all the held i can get thanks

 

zex kit is made to be safe with stock. just make sure you retard the ign. timing 4 degrees retard for the 75 shot.