Early model dual fuel pumps

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  • DTFE30
    E30 Addict
    • Feb 2011
    • 471

    #1

    Early model dual fuel pumps

    Planning on refreshing the fuel system in my 85 325e with S50 and #24 injectors. Have any of you early model guys:

    -Converted to a single Walbro 255 in the tank?
    -Upgraded the external pump to something that flows a little more?
    -Or is the stock external pump sufficient?

    Any opinions or suggestions would be appreciated
  • justin_l_
    E30 Enthusiast
    • Jun 2007
    • 1079

    #2
    I ran the stock pumps with no issue.

    Comment

    • Deadskittles
      Advanced Member
      • Jul 2011
      • 140

      #3
      I have an early model and am planning on ditching the second pump and replacing the in tank pump with a walbro.

      Comment

      • DTFE30
        E30 Addict
        • Feb 2011
        • 471

        #4
        Im thinking about running a walbro gssl392 (255lph) as my external and leaving the pickup pump.

        Comment

        • classified
          Member
          • Jan 2012
          • 61

          #5
          Stock would be fine for a stockish setup. I have an early model with a Walbro in place of the external pump, but I didn't need to upgrade until about 350hp.

          Comment

          • DTFE30
            E30 Addict
            • Feb 2011
            • 471

            #6
            Originally posted by classified
            Stock would be fine for a stockish setup. I have an early model with a Walbro in place of the external pump, but I didn't need to upgrade until about 350hp.
            So you had the Walbro and stock lift pump?

            Comment

            • vandy
              Advanced Member
              • Nov 2011
              • 130

              #7
              I have an '84 318i that I converted to a single pump using these two links:

              here

              and here

              Works like a charm, haven't had any problems with the TRE pump.

              Comment

              • DTFE30
                E30 Addict
                • Feb 2011
                • 471

                #8
                Originally posted by vandy
                I have an '84 318i that I converted to a single pump using these two links:

                here

                and here

                Works like a charm, haven't had any problems with the TRE pump.
                Thanks! I just ordered an accumulator from GPS. Going to run that with the dual pumps and replace the external pump. I might bump it to 255lph.

                Comment

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