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    Results 1 to 4 of 4
    1. #1
      Join Date
      Aug 2007
      Posts
      10

      Nitrous questions

      I'm in the process of putting my 69 Camaro back together. I'm thinking about purchasing a Shafiroff street 540 with the nitrous upgrade (250 shot). My question is, should I run a single electric fuel pump such as a Barry Grant 400 with a 4 port regulator? Or should I run dual fuel pumps with dual regulators?

      TIA,

      Anthony

    2. #2
      Join Date
      Aug 2003
      Location
      Orlando, FL
      Posts
      8,745
      I like dual pumps. Nitrous fuel pressure is so critical, I hate counting on one pump. If the fuel pressure dips, your motor is dead. To me running oine pump is to inconsistant, mild changes in voltage alnoe can cause a pressure drop.

      JMO

    3. #3
      Join Date
      Aug 2007
      Posts
      10
      Frank,

      Can you give me example of the setup you like to run brand, model#, etc?

    4. #4
      Join Date
      Aug 2003
      Location
      Orlando, FL
      Posts
      8,745
      I would run a pair of Holleys new 150 pumps,

      http://holley.com/12-150.asp

      We can do a pair for $400.

      or, you can run one of Holley's new billet mechanical pumps on motor and the electric for the nitrous, and spend about $450. I have used 2 of these new billet mechanical pumps on (2) 572 CI / 750 HP motors in different projects and both have done fantasitc, and very painless to install







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