im going to try and make my own n2o kit. is there such a thing as too big of a solonoid? the jets downsize it the same right..? i can get a big NX n2o noid now and setup now for a 150 and later add an extra small fuel cell and electric fuel pump and another noid. Which brand head/injector is good for a dry shot (placed in front of and aiming at the maf?