Thread: Loud supercharger whine at high rpm?

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  1. #1 Loud supercharger whine at high rpm? 
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    Took my 07 gt put for a drive and noticed at full acceleration with the boost gauge maxed there is a fairly loud whine coming from the supercharger I think. It wasn't there before so I'm wondering if I need to replace my supercharger now. Any insight would be great guys.

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  2. #2 Re: Loud supercharger whine at high rpm? 
    Grocery Getter x2 goldgp's Avatar
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    Not shure if serious, or nah?
    1998 GTP Mods: Getrag 5 speed ,balanced bottom end,ARP hardware,L32 rods,Federal pistons .20 over,XP Cammed,Double roller,130# springs,and 3.4 Gen V,SSC springs,GMPP sways, C5 calipers,12 inch brakes.2000 Grand Prix SE 3.8 Mods: GT dual exaust,plog,downpipe,Transgo Shift kit,1.9 yella terra rr,strut braces,gmpp kit.Both noob tuned with HP Tuner
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  3. #3 Re: Loud supercharger whine at high rpm? 
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    That's why I'm asking, I've never heard it before so I'm just asking. Maybe my bearings are going, Idk...

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  4. #4 Re: Loud supercharger whine at high rpm? 
    Grocery Getter x2 goldgp's Avatar
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    So is this sound different than the normal whine, or are you just now hearing your superchargers normal noise? Sorry for the sarcasm, but an m90 making a whining noise is pretty normal around here.
    1998 GTP Mods: Getrag 5 speed ,balanced bottom end,ARP hardware,L32 rods,Federal pistons .20 over,XP Cammed,Double roller,130# springs,and 3.4 Gen V,SSC springs,GMPP sways, C5 calipers,12 inch brakes.2000 Grand Prix SE 3.8 Mods: GT dual exaust,plog,downpipe,Transgo Shift kit,1.9 yella terra rr,strut braces,gmpp kit.Both noob tuned with HP Tuner
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  5. #5 Re: Loud supercharger whine at high rpm? 
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    It's not a high pitched whine, it's more of a lower pitched moan if you will

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  6. #6 Re: Loud supercharger whine at high rpm? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Stock airbox will allow pretty much no whine, so it might be a bearing on the pulleys or the trans pump/ps pump.

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  7. #7 Re: Loud supercharger whine at high rpm? 
    GT Level Member JamesIvey24's Avatar
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    take your s/c belt off, drive it. report back.
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  8. #8 Re: Loud supercharger whine at high rpm? 
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    You can do that??

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  9. #9 Re: Loud supercharger whine at high rpm? 
    GT Level Member JamesIvey24's Avatar
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    Quote Originally Posted by shadegt View Post
    You can do that??

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    Yep.
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  10. #10 Re: Loud supercharger whine at high rpm? 
    Grocery Getter x2 goldgp's Avatar
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    You could always take the sc belt off and narrow it down.

    Edit: slow typer, lol.
    1998 GTP Mods: Getrag 5 speed ,balanced bottom end,ARP hardware,L32 rods,Federal pistons .20 over,XP Cammed,Double roller,130# springs,and 3.4 Gen V,SSC springs,GMPP sways, C5 calipers,12 inch brakes.2000 Grand Prix SE 3.8 Mods: GT dual exaust,plog,downpipe,Transgo Shift kit,1.9 yella terra rr,strut braces,gmpp kit.Both noob tuned with HP Tuner
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  11. #11 Re: Loud supercharger whine at high rpm? 
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    Is there anything I should be worried about? Can I push it to full throttle to see if it makes that noise still and not have to worry about breaking something?

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  12. #12 Re: Loud supercharger whine at high rpm? 
    I Write E85 Stickies Frosty's Avatar
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    They tend to be whiny little suckers. Take the belt off and see if it goes away. Or pulley down until you cant hear it anymore

    "Lets just throw more boost at it and see what happens" -Frosty
    The Defacto Guide to tuning your car for E85. Read it and learn.



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  13. #13 Re: Loud supercharger whine at high rpm? 
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    If you are stock airbox, then I had a friend describe the same thing to me and he hadn't latched the lid for the airbox correctly.

    Jeff
    An engine is an engine no matter the size.... I think Dr. Seuss said that... or maybe it was Big Weld....
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