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fuel feed lines

  1. B3.3 Fueling Problems

    Cummins B3.3, 6AT, & Cummins Variants -
    Hey guys, so we just finished our B3.3 conversion into a 75 F100 but I'm having a little trouble with the fueling. The truck runs and drives great from cold for about 20 minutes and then it starts to sputter and blow smokes at any RPM above idle. I thought that this was because the injector pump...
  2. 4BD1T Fuel Feed/Return Lines

    Isuzu 4BD1T/2T
    I searched the forum for fuel line suggestions and things were vague. Can someone give me a solid size for the fuel feed and return lines for the 4BD1T? My engine is out of a '90 NPR, if it helps.