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Removing air boost valve

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    #1

    Removing air boost valve

    I installed a short ram intake on my f22a4 and there isnt a place for the vacuum line running from the air boost valve. Is it possible to remove this valve/block it off? i feel like ive read things about people blocking them off but i dont know for sure. thanks
    Tags: None
    #2
    http://www.custombilletworks.com/pro...Honda_AB_4.JPG

    http://www.custombilletworks.com/products.php?goto=6

    its at the bottom of the page

    i use there products on a lot of my builds

    check out there egr block off also
    Budget Street is offline working in the shop

    drop the mouse and pick up a wrench

    Originally posted by deevergote
    Good for you. You don't even know how to spell VTEC.

    Comment

      #3
      If your going to bypass it, you should go the stealth route. Just cut up a aluminum can in the shape of the flange, punch two holes in it to line up with the bolts, and sandwich your new "block-off plate" between the air boost valve and plenum.

      NOTE: When working with anything similiar to sheet metal, it is highly recommended that you wear gloves to prevent cutting yourself.
      PT3/6 Development Thread | My 1991 LX Coupe | DIY: 90-93 Tcu Fix

      Comment

        #4
        And keep in mind, they designed the abv(air boost valv) for cold starts... my new AEM intake didnt come with a nipple to accept the vacuum line from the abv either, but it came with a very small piece of filter that you twist it and put in the nipple of the abv. This valve is actually kina important if you live in a cold area.

        Comment

          #5
          Ok so I have a question about this valve how exactly does it work? Does it cause vacuum? if so when and why? I understand it is to help during cold starts but I'm trying to figure out why someone hooked the IAB hose onto this valve on a h23 intake mani. Does this actually work with it hooked up this way I have not put it on my car yet so I do not know myself and would like to find out before doing so.
          http://www.cb7tuner.com/vbb/showpost...53&postcount=4

          Comment

            #6
            I'm a little confused here. I know with my A6 (back when I had it) the only thing that went to the intake pipe itself was a rubber hose coming from the valve cover. On JDM H22's the air boost valve is actually blocked off from the factory and not used. Maybe I'm missing something but I just can't remember a hose that came from the intake to the air boost valve.

            Comment

              #7
              No your right the H22 does not have a Air boost valve but the H23 did come with this valve thats the block I am asking about.
              http://www.cb7tuner.com/vbb/showpost...53&postcount=4

              Comment

                #8
                Originally posted by Honda Power View Post
                Ok so I have a question about this valve how exactly does it work? Does it cause vacuum? if so when and why? I understand it is to help during cold starts but I'm trying to figure out why someone hooked the IAB hose onto this valve on a h23 intake mani. Does this actually work with it hooked up this way I have not put it on my car yet so I do not know myself and would like to find out before doing so.
                It seems like whoever hooked it up that way wanted to disable both the IAB plates and the air boost valve. The air boost valve works on a very little amount of vacuum from the air intake and keeps your idle from surging under driving conditions which can happen when you have too much vacuum hooked to the valve. With the way it is set up now, you could remove your air boost valve and strip the IAB plates without changing the way your car performs now.

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