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How Big On Injectors?

Discussion in 'Engine Building' started by proformance, Feb 26, 2003.

  1. proformance

    proformance Junior Member

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    hey.. does anyone know how big of a fuel pump and injector size that i should get?

    i have a 90 integra, running crower 404 cams, and a 65 shot of nitrous. i am running
    lean naturally, and looking to upgrading my fuel system. currently, the only thing that
    i have is a fuel pressure regulator. it would be nice to get
    something a little bigger, since i am looking to upgrade to a turbo soon.

    anyone else have any ideas on fuel upgrading?
     
  2. 96hatch

    96hatch Junior Member

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    what fpr are you using , and how soon do you plan on going to turbo?

    because , as your car is right now your fuel system is fine, at least until more mods take place. hth....

    but when you decide to boost you will need to consider how much psi you plan to run and that will give you an idea of what size injectors to use.

    rc310's are popular and walbro fuel pumps are too.
     
  3. pissedoffsol

    pissedoffsol RETIRED

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    id go with 440's. you can tune them down for now, and you will run a moderat boost turbo no problem on those
     
  4. proformance

    proformance Junior Member

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    how would i adjust the fuel? do fuel rails do a big difference?
     
  5. rsaeini

    rsaeini Senior Member

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    fuel pressure regulator.
     
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