boost gauge install ?'s...help quick!
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This is a discussion on boost gauge install ?'s...help quick! within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; hey guys i need your help quickly... ok i'm installing an Omori boost gauge, and i'm almost finished but i ...

  1. #1
    Registered User TurboWRX's Avatar
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    Exclamation boost gauge install ?'s...help quick!

    hey guys i need your help quickly...
    ok i'm installing an Omori boost gauge, and i'm almost finished but i have a few questions...
    i have a 100% vent BOV, can i tap the BOV line? if not, what's another good line to tap?

    where should i run the power to? i have the gauge in the lefthand corner of the dash, and the wires aren't very long. i've seen that you can power to the 10A fuse, but how do i do that? (i'm not an electronics expert)

    thanks!
    Originally posted by AbACUZ
    im new in here, I am AbACUZ!!!!!!!!!!!!!!!!!!!!!!
    Originally posted by AbACUZ
    No where, is my style diferent, yes, I am AbACUZ.

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    Registered User gifty74's Avatar
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    my advice...tap into the line on the front of the manifold. you can see my T in the pic below. gets the same boost readings as the bov line. for the power, i just jammed the end of the wire down in with the fuse. all you need is for the wire to make contact with the metal when the fuse is in place. if you want a quick and dirty, that'll do it. i eventually tapped into the power and lights off the cig lighter. just pull the 10A fuse for the lights, and slide the bare end of the wire down in when you are pushing the fuse in. not the prettiest, but works. i don't suggest keeping it there forever though. pic of my tap is below...
    Attached Thumbnails Attached Thumbnails manifold t.jpg  

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    Registered User TurboWRX's Avatar
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    ok thanks for the help, i just have one last question...

    on the connector, there's the 2 bigger ends then the 1 smaller end. the hose for the boost gauge goes on the smaller end, right? on the connector it has an arrow and says "Omori Meter" and it's pointing to one of the bigger ends, but this really didn't make sense.

    also, that hose that you tapped on looks awfully big for my connector.
    Originally posted by AbACUZ
    im new in here, I am AbACUZ!!!!!!!!!!!!!!!!!!!!!!
    Originally posted by AbACUZ
    No where, is my style diferent, yes, I am AbACUZ.

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    Registered User gifty74's Avatar
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    that hose is approx. 1/4" ID. i used a 1/4 x 1/4 x 1/8 T connector for that. the line coming out the top is my 1/8" ID line going to my boost gauge. do you have anything to measure the connector they gave you? you might want to pick a 1/4" one up tomorrow. the stock BOV line is that size as well, and i don't know where else you'd tap. those are the easiest anyway.

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    Registered User gifty74's Avatar
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    another tip, that short piece of tubing that actually attaches to the brass nipple on the front of the manifold is purchased. i bought it at autozone. that way you don't have to cut the stock line, just add the extension between the T and the nipple. 7/32" ID vacuum line works perfectly.

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    Registered User TurboWRX's Avatar
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    Originally posted by gifty74
    another tip, that short piece of tubing that actually attaches to the brass nipple on the front of the manifold is purchased. i bought it at autozone. that way you don't have to cut the stock line, just add the extension between the T and the nipple. 7/32" ID vacuum line works perfectly.
    i reread that, but i still don't understand. you're saying i don't have to cut the stock line? how so? i don't get it
    Originally posted by AbACUZ
    im new in here, I am AbACUZ!!!!!!!!!!!!!!!!!!!!!!
    Originally posted by AbACUZ
    No where, is my style diferent, yes, I am AbACUZ.

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    Registered User gifty74's Avatar
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    you just add a section of your own that you buy at an auto parts store. you're just extending the line from the T. you're basically extending the stock line that is already there. so you stick the one end of the T in the stock line you pull off that nipple. you stick the piece of tube you buy at the store on the other branch of the T, and you plug the tube you bought at the store on the brass nipple.

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    Registered User TurboWRX's Avatar
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    oooooh i get it, thanks for the tip!
    Originally posted by AbACUZ
    im new in here, I am AbACUZ!!!!!!!!!!!!!!!!!!!!!!
    Originally posted by AbACUZ
    No where, is my style diferent, yes, I am AbACUZ.

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    dang

    hey...where is belcamp?
    I live in silver spring, MD
    If belcamp is close...maybe you can help me install boost gauge and A/F gauge.
    I'll buy you a FAT A$$ dinner man.

  11. #10
    Registered User michaelwrx's Avatar
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    Re: dang

    Originally posted by soulsweeper
    hey...where is belcamp?
    I live in silver spring, MD
    If belcamp is close...maybe you can help me install boost gauge and A/F gauge.
    I'll buy you a FAT A$$ dinner man.
    Pay for my airfare and I am there.........
    01 WRX World Rally Blue

  12. #11
    Registered User TurboWRX's Avatar
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    ok i got it in and it says 50 cm/Hg at idle....is that right?
    Originally posted by AbACUZ
    im new in here, I am AbACUZ!!!!!!!!!!!!!!!!!!!!!!
    Originally posted by AbACUZ
    No where, is my style diferent, yes, I am AbACUZ.

  13. #12
    Registered User gifty74's Avatar
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    that's 9.68 psi of pressure. and this is at idle and its positive pressure, not vacuum? if so, something is not hooked up correctly. you should be seeing anywhere between 15-20 (mm of Hg i think are the units) of negative pressure at idle. that's about 0.35 psi. check it out again.

  14. #13
    Registered User TurboWRX's Avatar
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    no its negative pressure....45-50 cmHg of vacuum at idle is what i'm getting
    Originally posted by AbACUZ
    im new in here, I am AbACUZ!!!!!!!!!!!!!!!!!!!!!!
    Originally posted by AbACUZ
    No where, is my style diferent, yes, I am AbACUZ.

  15. #14
    Registered User Bask Oner's Avatar
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    I think that Gifty should open a WRX tuning shop.
    Matt
    WRX-less, now RSX-y!!!

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    Registered User TurboWRX's Avatar
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    well the boost seems right...i'm hitting around 1.0 bar in all gears, sometimes it goes to 1.05 bar or so (i have the 3/16" connector), so that all seems right.

    when i'm driving and not on the throttle, its usually around 60 cmHg of vacuum, and at idle its right around 50 cmHg. so does this sound right? thanks for your help guys...
    Originally posted by AbACUZ
    im new in here, I am AbACUZ!!!!!!!!!!!!!!!!!!!!!!
    Originally posted by AbACUZ
    No where, is my style diferent, yes, I am AbACUZ.

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