anyone running an external pump on a 4.0? Im looking to find out what brand to go with and what will be needed? pressure regulator, how much psi(does the pump have a default psi that will work and if soo what pump?)..
thanks in advance
Re: trying to hook up an external fuel pump need help
I used an external fuel pump when I did the 4.0 swap. I bought it from Hesco. The engine had the presure regulator built on the fuel rail. Its a 1994 4.0. Not sure about the default stuff, but it runs high pressure I believe around 30-40lbs. Hope that helps.