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Ls6 intake on and now noise?

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Old May 31, 2006 | 05:12 PM
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Default Ls6 intake on and now noise?

Had an LS6 intake put on and new clutch. Currently out of injector, new will go in soon, but under acceleration, there is a "shhhhing" sound. what could it be?
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Old May 31, 2006 | 11:15 PM
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Is it more metal sounding or air sounding?? If it's metal sounding, you better have the clutch checked if it sounds more like air then you probably have a vacuum leak somewhere. How is the car running, any driveability issues since the changes???
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Old May 31, 2006 | 11:19 PM
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Check for vacuum leaks. Did you remove the coolant pipe that runs across the valley cover and replace it?

If you look under the manifold behind the throttle body, and there is a metal tube running under it toward the back of the car, you're going to need to remove the manifold again.
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Old Jun 1, 2006 | 01:54 AM
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I like when my FAST whistles...like I can hear it over my exhaust and valvetrain noise.
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Old Jun 1, 2006 | 09:59 AM
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Intake leak is my educated guess
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Old Jun 1, 2006 | 03:29 PM
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It doesn't happen until the engine warms up and it doesn't above 2100rpms. Don't know if this helps?
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Old Jun 1, 2006 | 03:33 PM
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hmm vacuum leak
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Old Jun 1, 2006 | 03:35 PM
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yeah... I hope you did the coolant pipes... does the car feel like it has any power loss or hesitation or anything?
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