fuel pump return line

Discussion in 'Troubleshooting & Diagnosis' started by white 81, Nov 29, 2002.

  1. white 81

    white 81 Veteran Member

    Jun 17, 2002
    Sacramento, CA
    the holly pump im going to get doesnt have a return line, can my return line be safely blocked off? If so whats the best way to do this?
  2. Rick WI

    Rick WI Veteran Member

    Jul 9, 2001
    Madison, WI
    Put a rubber cap over it like you would use for a vacuum fitting on a carb, then install a small hose clamp if needed.

    Ran mine like that for a couple of years way back with no problems.

    70 SS 454 CI 650+HP All Aluminium Fuel Injected Small Block
  3. bpestilence

    bpestilence Veteran Member

    Apr 5, 2002
    Bothell, WA, USA
    Or you could run a return-type fuel pressure regulator and maintain your emmissions legality.

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