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    1. #1
      Join Date
      Apr 2011
      Posts
      165

      1 fuel line or 2

      Suggestions on fuel lines. One fuel line system or two - one being a return. LQ4 L/S 600-700 hp blown fuel injected. 1/2" or 3/8" line? Any suggestions on where to find information on the subject?



      Thanks in advance for your opinion.


    2. #2
      Join Date
      Dec 2010
      Location
      Fredericksburg, VA.
      Posts
      3,164
      Country Flag: United States
      I suspect that engine will require a return line and 1/2" would be better than 3/8".
      Steve Hayes
      "Dust Off"
      68 Camaro

      Support the RPM Act
      https://www.sema.org/rpm-faq.

    3. #3
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      16,118
      Country Flag: United States
      I would do a 1/2" feed and 3/8" return.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @dr__efi
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her


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