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TurboXS Boost control

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Old Sep 10, 2004 | 11:21 AM
  #1  
nonmature's Avatar
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TurboXS Boost control

Hey I just wanted to ask on here to assure myself that I am not out of my mind. I was at my usual shop, and I see another Evo owner that I have helped out before. He shows up with a UTEC that he bought from some shop on the east coast. Now I have a decent amount of knowledge on the car subject... but with directions I think almost anything is somewhat easy. Ok now on to the real question...

Has anyone ever heard on or seen a boost controller running off of only 1 hose??? I have never heard of this... I have only seen those with an input and output... On top of that this "boost controller" does attach to the Factory Boost Solenoid... Which I automatically thought "isnt the point of a boost contrller to get rid of that in the first place.... Anyways I checked all the mechanics lines for the guy and it is hooked up per the UTEC instructions... no boost on the guage...needle wanders around zero... anyways I just wanted to ask about the boost controller and if anyone has ever seen or heard of one with only 1 hose???

-non
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Old Sep 10, 2004 | 01:25 PM
  #2  
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come on now you dont have to have seen one to reply you can reply and tell me I'm not crazy
and that you've never seen one either?
-non
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Old Sep 10, 2004 | 01:37 PM
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From: Royse City, TX
LOL The ABC is an Auxiliary Bleed Valve.. the factory boost control solenoid functions by bleeding a set amount of boost out of the mix, whereby raising boost.. the ABC (as its called) functions also by bleeding additional boost from the stock "Circuit"

Most MBC's and aftermarket EBC's use a restriction (the solenoid) to restrict the flow and raise boost (lowering the signal to the actuator)

The UTEC's ABC basically plumbs into the stock bleed system to allow you to raise the boost level slightly, you remove the line from the T-connector to the solenoid (which has the restrictor in it) and add a new line, with this ABC T'd into it.

Since the UTEC is capable of controlling the stock boost solenoid, this bleed valve essentially raises the "range" of boost the stock circuit handles. On a side note, even the low boost level is raised.

Hope this explains the voodoo..

Last edited by MalibuJack; Sep 10, 2004 at 01:40 PM.
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Old Sep 10, 2004 | 02:21 PM
  #4  
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its cool when I got to the shop today we figured it all out It wasnt workin yesterday for some reason...

-non
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Old Sep 10, 2004 | 06:31 PM
  #5  
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Ok another question we istalled a boost guage at the same time with this and it will not adjust anything on that bleeder valve... the car peaks at like 5-7 PSI and it will not read vacuum WTF

-non
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Old Sep 10, 2004 | 07:32 PM
  #6  
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From: Royse City, TX
It depends where you installed the gauge.. It sounds like the gauge is hooked up incorrectly or in the wrong location.
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Old Sep 11, 2004 | 02:37 PM
  #7  
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both guage and utec are hooked up per instructions... car is not running right and we have tryed hooking up the ABC and the Boost bleeder valve at least 20 different ways...

-non
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