Going from EFI to Carb, need help with pressure regulator.

Discussion in 'High Tech Retrofits' started by gutted72, Jul 22, 2019.

  1. gutted72

    gutted72 Veteran Member

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    I need some advise on getting the correct fuel pressure regulator.

    I am currently dealing with a screwed up sniper efi system and need to re-install my carb but I'm having a hard time choosing the correct fuel pressure regulator.

    I am going to use the current efi fuel pump in the tanks Inc tank that is currently putting out 60+ psi and I need to bring it down to 5 - 10 psi for the carb.

    I already have a 3/8" fuel return line installed on the car so I will be looking for a bypass regulator. I have come up with 2 that I think will work but I am clueless on if either will do what I need them to do.

    https://www.summitracing.com/parts/aei-13301

    https://www.summitracing.com/parts/edl-174053

    Tanks Inc recommeds the 174053 but I think the 13301 would be the better route to go.

    Any ideas? Anyone?
     
  2. 76z28

    76z28 Veteran Member

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    I'd go with the edelbrock one. I can't imagine trying to adjust something that's 3 to 65lbs.
     
  3. gutted72

    gutted72 Veteran Member

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    Thanks for the insight, didn't think they would be to hard to adjust but I've never installed a regulator. Plus that's the least expensive one :)
     
  4. 76z28

    76z28 Veteran Member

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    I think with that range it might be difficult to do minute adjustments. I know the edelbrock one is a quality piece. I have theirs from the EFI kit and it has been flawless.
     
  5. gutted72

    gutted72 Veteran Member

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    I wonder how it will hold up to 60+ psi down to somewhere between 5-7psi?
     
  6. 76z28

    76z28 Veteran Member

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    If you're running a return you should be fine since it'll just return everything
     
  7. gutted72

    gutted72 Veteran Member

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    It does have a return line installed on the car so that will be easy to hook up.
    Thanks for the help.
     
  8. 1978 Z/28

    1978 Z/28 Member Gold Member

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    I have much experience with regulators I can tell you adjustability would not be an issue. 13301 uses two different springs but I am not so sure about npt thread I like AN thread and o rings more. Less chance of leaks
     
  9. gutted72

    gutted72 Veteran Member

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    Other than the 2 I posted earlier, do you have any suggestions for a regulator that accepts 60+ psi inlet pressure and knocks it down to 5-9 psi outlet pressure & has AN fittings?
     
  10. 1978 Z/28

    1978 Z/28 Member Gold Member

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