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Made a custom aluminum vacuum manifold today!

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Old Sep 3, 2008 | 05:20 PM
  #1  
mac_24_seven's Avatar
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Default Made a custom aluminum vacuum manifold today!

Here it is..

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I've got the fittings, just need to put em in. Also have to figure out how I'm gonna mount it in my Integra so I can weld a bracket on it.

Oh, I did'nt weld it. I work at an Aluminum fab company (make fuel tanks) as the Draftsman.. I did everything but weld it. Gotta give credit when its due.

I figured it be alot cheaper (aka free) than spening $30.00 -$50.00 on one.. or ordering a dinky lil thing from another website.

Old Sep 3, 2008 | 07:03 PM
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Default Re: Made a custom aluminum vacuum manifold today!

nice, although I see where it's going to leak if you don't cover it up
Old Sep 3, 2008 | 11:22 PM
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Default Re: Made a custom aluminum vacuum manifold today!

the only problem i see is the volume of it. it will affet your BOV if there is too much volume.
Old Sep 4, 2008 | 09:57 AM
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Default Re: Made a custom aluminum vacuum manifold today!

Originally Posted by PhilStubbs
the only problem i see is the volume of it. it will affet your BOV if there is too much volume.
\REALLY?

Elaborate please? I didn't know that could be a problem.
Old Sep 4, 2008 | 02:10 PM
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Default Re: Made a custom aluminum vacuum manifold today!

larger volume to draw vacuum from = slower bov response time. i wouldn't worry about it too much though.
Old Sep 4, 2008 | 02:24 PM
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Default Re: Made a custom aluminum vacuum manifold today!

Originally Posted by weiRtech
larger volume to draw vacuum from = slower bov response time. i wouldn't worry about it too much though.
I would still run a dedicated vacuum line to the BOV.

The reason being is that there's more gas to transfer the pressure difference so it takes longer, think big soda straw vs. little straw.
Old Sep 4, 2008 | 03:47 PM
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Default Re: Made a custom aluminum vacuum manifold today!

If the volume of air is too much it will slow down the action of the BOV. That's why you dont "T" anything off of the bov line. You can run everything else off of that vac manifold and run your BOV from the intake manifold. I hope that makes sense, I am typing on my phone.
Old Sep 4, 2008 | 04:02 PM
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Default Re: Made a custom aluminum vacuum manifold today!

Its ------- fine... It will work ------- fine...

Quit trying to overanalyze the ------- thing. The volume of it is realy not NEARLY the big deal some of the self proclaimed physicists here are trying to make it out to be. ANY difference would be barely noticable at BEST... As in, not noticable at all for the application its aimed at.....


Old Sep 4, 2008 | 04:25 PM
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Default Re: Made a custom aluminum vacuum manifold today!

Yep, work great. Just feed it with a big fat line from the intake. Way baller than mine, I used a 6" drop off chunk of -8 fuel rail. Drilled and tapped for barb fittings.
Old Sep 4, 2008 | 10:50 PM
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Default Re: Made a custom aluminum vacuum manifold today!

It's still hot looking.




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