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Mounting BOV on the Intake Manifold

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Old Mar 25, 2004 | 08:44 PM
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Default Mounting BOV on the Intake Manifold

Anybody know if it is possible to mount the BOV on the intake manifold without effecting air flow to negatively? Trying to put together a custom turbo with freaking weird rubber piping.
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Old Mar 25, 2004 | 10:11 PM
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You can't do that. Mounting it on the intake manifold places it on the wrong side of the throttle body.

You do know what a BOV does, right?
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Old Mar 25, 2004 | 10:13 PM
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yeah, but I am unsure as to how it relates to the throttle body. Please explain.
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Old Mar 25, 2004 | 10:19 PM
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Ok, you have the turbo spinning and pressurizing air, squeezing it into the engine. When you let off the throttle though, the turbo is still trying to compress air, but it has nowhere to go. This makes the pressure in the intake tract spike, and when it gets too high it will try to release the pressure back though the turbo (causing damage over time.) A BOV is located on a charge pipe between the throttle body and turbo, and has a vacuum hose connecting to the intake manifold. When the vacuum hose sees vacuum (when the throttle plates have been closed) the BOV vents the pressurized air to save the turbo.
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Old Mar 25, 2004 | 10:21 PM
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Damn it, I jusst was not thinking about it fully. You aer totally right. Now my problem lies here: How do I mount a BOV to industrial rubber piping (have you read the other thread I started?)
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Old Mar 26, 2004 | 07:58 AM
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You don't. Buy a mandrel U bend and figure out where some of the hard pipe will fit.
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Old Mar 26, 2004 | 08:05 AM
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hmmmmm....might have to do that. I am trying to stay away from the metal pipng cause EVERYONE and there mamma's (Literaly) use it. Awesome this rubber piping looks freaking sweet! Has N.A.S.A. written down the sides every eight inches in silver writing. Sweet looking sh** man.
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Old Mar 26, 2004 | 08:05 AM
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Like this:

----rubber----|||metal w/ bov|||----rubber----> on to throttle body. h:
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Old Mar 26, 2004 | 08:11 AM
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think it would be alright to hide the BOV on the underside? Then I can make it look like it is all rubber on one side with the BOV hidden out the way.
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Old Mar 26, 2004 | 10:33 AM
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You need an actual section of metal piping to mount the BOV to. That means that even if you put it on the bottom, you will still have a piece of metal pipe in the middle of your rubber pipe.

Observe.



See how the pipes are rubber with metal center sections? That's sort of like what you would need.
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