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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

No vaccum

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Old Mar 30, 2009 | 04:18 PM
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Default No vaccum

For some reason, nothing vaccum wise is working. I'm running the rfl bov with just the spring and no washers and it won't blow off...just getting compressor surge. My boost gauge also doesn't work. I am using the two nipples after the tb off of the intake manifold. One nipple goes straight to the bov. The other nipple goes to my boost gauge but T's off to my ignition box. A very simple setup but for some reason it's a no-go. Could it be blocked off?
Old Mar 30, 2009 | 04:20 PM
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what is your vacuum at idle?
Old Mar 30, 2009 | 04:22 PM
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boost gauge doesn't read anything period. It just sits at "0"...that and the bov is how I know something is wrong vaccum wise
Old Mar 30, 2009 | 04:31 PM
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are you sure your vacuum lines are connected to the IM?
Old Mar 30, 2009 | 04:34 PM
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What do you mean? Right after the tb there are two nipples...I just connected it there. There is also one nipple on the back of the IM but I'm T-ing off that for the 02 clamp pressure switch.
Old Mar 30, 2009 | 04:37 PM
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Disconnect the lines and blow through them with your mouth, i bet they are blocked somewhere.
Old Mar 31, 2009 | 12:30 AM
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I blew through the lines and one was only partially hard to blow through, otherwise the one going to the boost gauge was fine...
Old Mar 31, 2009 | 02:45 PM
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Today I stuck some wire down the nipples and it cleared some stuff out...I'm waiting on a new oil fitting before I can check things again.
Old Apr 2, 2009 | 02:47 AM
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Old Apr 2, 2009 | 03:30 PM
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Okay figured it out. The sources were just clogged...also the boost gauge line was kinked a little. It's all good now!
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