350 TBI FUEL PUMP

[hugoesgenial]

What fuel pump (how many psi) do you recommend for a 350 TBI 5.7? I'm looking to put in an external one. any tips? brands?

 

[waterpirate]

Hi and welcome! The original pump from napa ect. is cheap and easy to install. Just get a new lock ring and o-ring for a easy peasy swap. A new set of gas tank straps and hardware would prolly speed thins up as well.
Eric

 

[vr1967]

I would go with a 1996-up Vortec pump (ep381) because of the flow rate. The original TBI pump (ep386) barely flowed enough to support the 4.3/5.0 engines, much less the 5.7/7.4 engines.
And before anyone says “but that is a high pressure pump” remember, the pump is capable of producing a higher pressure, but the system pressure is set by the regulator in the TBI