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Fuel Injectors... ever wonder how they REALLY work? whats inside? and Flow Testing!

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  • Fuel Injectors... ever wonder how they REALLY work? whats inside? and Flow Testing!



    I'd ordered these Deno fuel injectors second hand from Japan a little while back, and thought it might be a good idea to get them checked out. So today I went to a shop, but I ended up doing a full write up on everything you could ever want to know about fuel injectors!

    Whats inside, how they work, cleaning, balancing and flow testing, all explained in great detail in this article I wrote up: http://tinyurl.com/474p88k

    I figured pretty much everyone would appreciate a little extra knowledge on the subject, I know I sure learnt a lot today! I also made a video (posted in the article) that shows the whole process start to finish.

    This is the testing rig, all wired up...


    and this is the cleaning process....


    It was pretty cool to see how the injectors actually spray, how quick they work, and holy god how much volume they can move in a matter of seconds!

    It was an excellent experience, that really had some definitive, conclusive results.... meaning... we tested them for a baseline, cleaned them and then re-tested them and the results were pretty impressive! I'd say injector cleaning and balancing is one of those things for second hand injectors, or even just old injectors that will make a world of difference. Hope you guys like it and find it marginally interesting lol...
    Last edited by archaeic_bloke; 03-10-2011, 01:01 AM.
    The SkyLife Community & News Website --> http://www.skylife4ever.com

  • #2
    Whoa, that was an awesome video! Crazy to see those little things work!
    Originally posted by kengeroo
    that's what I thought when I opened the package..
    ...don't drink and ebay
    '03 Ford Mustang

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    • #3
      Originally posted by archaeic_bloke View Post

      It was pretty cool to see how the injectors actually spray, how quick they work, and holy god how much volume they can move in a matter of seconds!
      So that's why I burned through a 1/4 tank of gas in a 25 minute session at the track. Im also running 660's

      Very good write up by the way. Thanks for the video.
      Originally posted by Oakville
      that, is what us oakvillians like to call an 'instabone'

      Comment


      • #4
        WOW this explains so much. i now know what those little filters are.. i have two sets of gtr injectors and some are missing those..i thought maybe it was a differnt batch of injectors or something that why they some didnt have them. now i know.
        - Adam

        :
        http://forums.gtrcanada.com/gts-project-cars/44846-project-nashzilla-r32-gt-t-neo.html

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        • #5
          Originally posted by doublejceballos View Post
          So that's why I burned through a 1/4 tank of gas in a 25 minute session at the track. Im also running 660's
          yea~!!! i know eh! its effing unbelievable!! those things could dump an entire tank of fuel in minutes at full tilt!! hahaha
          The SkyLife Community & News Website --> http://www.skylife4ever.com

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          • #6
            is this what is expected from any injector shop? or is this all above and beyond?
            - Adam

            :
            http://forums.gtrcanada.com/gts-project-cars/44846-project-nashzilla-r32-gt-t-neo.html

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