Spud,
have question reguarding fuel flow and fitting sizes. This is more of nitrous thing and know not your speciality. A solenoid that has .312 orfice 1/8 entering and leaving. 1/8 pipe fitting has about .185 bore. In your opion can it flow more than the smallest hole,being .185
Also while on subject. How much do the electric lean outs you sale flow and do you have richening solenoid also?