hey i have a 00 b20z in my civic. i have a b&m fuel pressure regulator and guage what psi should i run at idle? i keep hearing different answer. i did search and didnt get what i was looking for although i came up with numerous results. so if your going to tell me to search. save your breath because i dont wanna hear it. only answer if you know for sure i dont want any guesses. thanks
Robbo

 

I believe stock spec is 35-42 psi (that's when the fpr is seeing no vacuum).