Single Vs Dual Fuel Pumps | FerrariChat

Single Vs Dual Fuel Pumps

Discussion in '348/355' started by Kokose7en, Jan 28, 2020.

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  1. Kokose7en

    Kokose7en Karting

    Dec 5, 2019
    207
    SF Bay Area
    #1 Kokose7en, Jan 28, 2020
    Other than the obvious difference, how reliable has both designs been? Fuel pump failure common on a F355? Anyone had a failure on one side of a dual design?
     
  2. Qavion

    Qavion F1 World Champ
    Silver Subscribed

    Feb 20, 2015
    11,534
    Sydney
    Full Name:
    Ian Riddell
    #2 Qavion, Jan 28, 2020
    I believe it's not the pump which usually fails, but the less-than-fuel-resistant gaskets and boots which deteriorate and gum up the pump. It's a known problem. Ricambi USA offer better gaskets/boots, etc.
     
  3. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    34,031
    Austin TX
    Full Name:
    Brian Crall
    #3 Rifledriver, Jan 30, 2020
    Both have been reliable. Redundancy was not why some had 2 pumps.
     
  4. taz355

    taz355 F1 Veteran
    Owner Silver Subscribed

    Feb 18, 2008
    5,965
    Indio Ca/ Alberta
    Full Name:
    Grant
    #4 taz355, Feb 3, 2020
    Been on the forum a long time and I concur very few times people have reported the issue so likely is not that common.
     
  5. Homeboz

    Homeboz Karting

    Jan 20, 2017
    63
    #5 Homeboz, Feb 4, 2020
    Agreed. I think the main difference is that with one fuel pump you replace one fuel pump when it starts to fail. With two fuel pumps you replace both fuel pumps even if only one begins to fail (just in case). You convince yourself or the technician convinces you that the other fuel pump must be ready to fail soon and you can save on labor costs.
     

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