so im putting in a b18a1 in my ef 89 sedan lx, and my friend says a need to get a fuel pressure regulator, and a fuel pressure gauge, is that true?

 

No.

Thats what I have, and i dont have any of that. You shouldn't need it if your gonna be a stock b18a.

 

thats what i told him, thank you

 

Correction - You WILL NOT need an adjustable fuel pressure regulator or gauge for ANY swap. Even if the car originally had DPFI... The only time that is needed is when you go power adder (boost/ nitrous) and even then you can just up injector size without turning up fuel pressure (to a point obviously).

 

im running my LS swap on the stock DPFI fuel pump and stock LS parts, whoever told you that needs to do some research.