External fuel pump oem PSI???

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  • rmosca594
    Mod Crazy
    • Jun 2013
    • 636
    #1

    External fuel pump oem PSI???

    Hey guys my external pump went out today, anyone know what's the minimum PSI pump I can use? And what the OEM pump PSI is?

    Found an 85psi in line T-Rex pump on CL not sure if it's what I need!

    Thanks in advance!
    1989 325IS 2.8L *SOLD*
    1988 325IS *DAILY*
    Old Build - My 89 325is head first dive
    Tags: None
    • jlevie
      R3V OG
      • Nov 2006
      • 13530
      #2
      The OE pump can develop as much as 90psi, but what is more important is the flow vs pressure curve. The best choice for a replacement is an OE or OEM pump.
      The car makes it possible, but the driver makes it happen.
      Jim Levie, Huntsville, AL

        Comment

        • rmosca594
          Mod Crazy
          • Jun 2013
          • 636
          #3
          I decided to buy a walbro 255 and delete the external, so no worries! Thanks for answer to my question as well!
          1989 325IS 2.8L *SOLD*
          1988 325IS *DAILY*
          Old Build - My 89 325is head first dive

            Comment

            • Andy348
              Mod Crazy
              • Sep 2009
              • 687
              #4
              Make sure it isn't rust in your tank killing the pump before you put in a new one!

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