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Thread: fuel pressure

  1. 08-13-2008, 11:48 PM #1
    speedmaster
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    Default fuel pressure

    How much full pressure is needed to open an injector that is designed to operate about 38 lbs? When I was talking to Bob last night and he was explaining to me that you needed to lean the engine. He was showing me this display on his dash and plugged into the computer port. The reason I am asking is because if it only takes 20 PSI to open the injector then you could install an in line fuel pressure regulator and unplug the vacuum line so the factory regulator will be wide open. He was explaining about trying to change the computers program but I told him why don't you slow down the gas. That is the one thing that is still mechanical to a point.
    Have you tried this?
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  2. 08-13-2008, 11:52 PM #2
    Tech5
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    every car has different fuel preasure needs, most FI cars use anywhere from 32-55 psi fuel preasure
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  3. 08-14-2008, 07:53 AM #3
    Init2winit
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    Quote Originally Posted by speedmaster
    How much full pressure is needed to open an injector that is designed to operate about 38 lbs? When I was talking to Bob last night and he was explaining to me that you needed to lean the engine. He was showing me this display on his dash and plugged into the computer port. The reason I am asking is because if it only takes 20 PSI to open the injector then you could install an in line fuel pressure regulator and unplug the vacuum line so the factory regulator will be wide open. He was explaining about trying to change the computers program but I told him why don't you slow down the gas. That is the one thing that is still mechanical to a point.
    Have you tried this?
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    WTF are you trying to accomplish. Did I miss something here?
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  4. 08-14-2008, 08:48 AM #4
    AnthonyF
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    who the fuk is Bob? An injector opens by the computer. If the injector isnt getting fuel you need to go back and find where it is blocked at or what isnt opening. But I have no idea what you are asking.

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  5. 08-14-2008, 10:54 AM #5
    SixSquared
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    awww methinks someone is trying to get her post count up so she can post in classifieds.

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  6. 08-14-2008, 10:55 AM #6
    AnthonyF
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    ^.....what?

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  7. 08-14-2008, 11:00 AM #7
    SixSquared
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    Quote Originally Posted by AnthonyF
    ^.....what?

    -Ant.
    she's asked a couple of random questions in general tech and stuff... I think she's just trying to bump up her post count so she can post in classifieds, esp. considering she has a URL in her sig.

    To which I say...


    Fuck stance. Stance is for kids in skinny jeans with Justin Beiber haircuts. You don't need stance when you got swagger.
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  8. 08-14-2008, 11:02 AM #8
    AnthonyF
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    ^good eye. Thank you for that input. I will keep an eye on..her?

    -Ant.
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  9. 08-19-2008, 04:01 AM #9
    Barefoot
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    lol wtf
    Quote Originally Posted by xPhantomSilviax
    she's asked a couple of random questions in general tech and stuff... I think she's just trying to bump up her post count so she can post in classifieds, esp. considering she has a URL in her sig.

    To which I say...
    makes sense

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  10. 08-19-2008, 09:10 AM #10
    Init2winit
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    Quote Originally Posted by xPhantomSilviax
    awww methinks someone is trying to get her post count up so she can post in classifieds.

    NOODS OR GTFO
    The genius you are. She has 12 posts. I would stick to butchering up cars, rather than posting your not-so-common sense.
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