Fpr psi setting

[s13400hp]

Hey i wanted to know how much psi should I set my adjustable fpr for a stock motor

[Grenade180sx]

normally i wouldnt say this. but seriously search.

i believe its 36 psi without vac and 43 with

[louisdaboois]

^^ correct, but the other way around. 43ish at atmospheric and 36ish at idle.