Return line delete possible??

[92Raiderburban]

Just bought a 94 suburban 2500 4x4. Had no gas tank so had to buy one. Sending unit had to buy seperate also. Plastic one from 97 tahoe. The return line port is broken off. TBI unit has 2 fuel hoses. Goin to run high pressure inline pump along frame. Can I delete the return line and plug the tbi unit and only run a feed line for now? Maybe plumb the return line into the feed near the tank? I know using just a feed I will have vapor lock later as it gets hot here in Vegas. Keep in mind I had this setup when I bought my 80 square 5 years ago but that was with an lower pressure pump and 4 barrel carb. Any advice considered.

 

[PlayingWithTBI]

Goin to run high pressure inline pump along frame

How high a pressure pump is it? Can it dead head without overheating? TBI runs best @ 11 - 13PSi stock unless you're going to build it up with a cam,heads, etc.

 

[b454rat]

pretty sure your gonna need a return line.....

 

[Bobw]

Hey. This is my first post, ever. I have a 90 rcsb choo choo 1500 I'm working on. Will post pics later. I bought a complete fuel tank assembly including pump module installed and new straps from Rockauto for under $200.

 

[Schurkey]

No return hose, no reduction in fuel pressure. TBI will be stuck with whatever the max pressure the pump can output. The TBI fuel pressure regulator works by blowing excess pressure down the return-side plumbing.

Good luck.

 

[92Raiderburban]

No return hose, no reduction in fuel pressure. TBI will be stuck with whatever the max pressure the pump can output. The TBI fuel pressure regulator works by blowing excess pressure down the return-side plumbing.

Good luck.

Ok then. Yea i was wondering how the regulator works. This truck has a 454 and the high pressure injectors. 30 psi regulator. Do u happen to have a diagram for the fuel lines?

 

[PlayingWithTBI]

Do u happen to have a diagram for the fuel lines?

Not offhand but the big one is your pressure line and the small one is your return if that helps any.

 

[alpinecrick]

No return hose, no reduction in fuel pressure. TBI will be stuck with whatever the max pressure the pump can output. The TBI fuel pressure regulator works by blowing excess pressure down the return-side plumbing.

Good luck.

Ditto...........

 

[92Raiderburban]

Not offhand but the big one is your pressure line and the small one is your return if that helps any.

Yea I have 2 big ones and small one. ??

 

[Supercharged111]

This is something I'd entertain for a short drive home given no other options, but never as a long term solution.