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Forced Induction Superchargers | Turbochargers | Intercoolers

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Old 08-24-2006, 07:53 AM
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Default Dumbest question, or Hardest??
Well, What makes a Supercharger/ or Turbo whine (at idle)??

Is it ?

-Undergreased bearings
-Overgreased Bearings
-Lack of oil
-Too much oil
-Blower Belt

Or what?
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Old 08-24-2006, 08:00 AM
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its because of the sounds that the turbine makes....nothing is wrong with it
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Old 08-24-2006, 09:25 AM
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on the supercharger youll also hear the whine of the gears, its how there cut.
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Old 08-24-2006, 09:38 AM
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i know the woosh sound comes from the impeller sucking air, but the high pitched whine i guess comes from gears when the car isnt making boost?
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Old 08-24-2006, 01:45 PM
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turbos dont make noise at idle

s/c you hear noise from the step up gear ratio
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Old 08-24-2006, 02:07 PM
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yeah i dont recall hearing a whining noise on a turbo, its a little different, its more like a sound a jet makes when its taking off.
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Old 08-24-2006, 02:59 PM
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As said most SC whine is from gears, but I also get some from my Mondo bypass - it's more of a whistle at idle. It may be due to how I have it set up.

Jim
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Old 08-24-2006, 03:07 PM
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theres little elfs in there and the sound you hear is them sucking in air to blow into your engine...theres 3 or 4 i think...
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Old 08-24-2006, 03:59 PM
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If you hear the turbo at idle...turn the car off , its time for a rebuild...
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