i have a 98 Ek hatch had a single cam in it and just swap it out with a high compression b20 with a b16 tran and Plm Header and fuel rail and reg and brand new b18 injection and I’m running stock fuel pump and one of my close friend gave me a walbro 300 fuel pump would it be ok to use it and would it make a diff or no csuse I just wanted to change it cause I quess my fuel pump old and never been change and I have a chip out p72 ecu with a chip for my step up car been running perfect so would it make a diff if I change the fuel pump or no