4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

high rpm whistle

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Old 04-16-2005, 12:24 PM
  #1  
wicked04
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Default high rpm whistle

my engine whistles at high rpm's. usually between 5 and 6 grand. i didn't really notice it until after i put my mods in. i think it might be my CAI. anyone else get this? should i be worried?

[IMG]local://upfiles/14373/23BF825F9B784E74A09F604178E44BC7.jpg[/IMG]
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Old 04-16-2005, 12:59 PM
  #2  
DuckyGt
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Default RE: high rpm whistle

Its probally just you cold air i notice mine sucking in air at high rmp's to i would really worry unless its like really weird sounding the best i could tell you mine sounds like is kinda a whistle mixed with the a/c on high you should be ok.
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Old 04-16-2005, 02:02 PM
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David_K
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Default RE: high rpm whistle

could you have installed a s/c and forgotten about it?
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Old 04-16-2005, 03:50 PM
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Dan04COBRA
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Default RE: high rpm whistle

Try putting your stock part back on and see if it does it?

Most CAI's are noisey and it's nothing to worry about.
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Old 04-16-2005, 05:53 PM
  #5  
Derf00
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Default RE: high rpm whistle


ORIGINAL: wicked04

my engine whistles at high rpm's. usually between 5 and 6 grand. i didn't really notice it until after i put my mods in. i think it might be my CAI. anyone else get this? should i be worried?

[IMG]local://upfiles/14373/23BF825F9B784E74A09F604178E44BC7.jpg[/IMG]
CAI... I trimed the snorkel (factory) on my air box to let more air in and not suck hot air from the engine compartment and stuck a K&N in it. It whistles around 3000-4000RPM. I've read that most of the CAI systems will whistle. I've also heard a few in friends cars. Nothing to worry about.
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Old 04-16-2005, 07:52 PM
  #6  
The02GT
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Default RE: high rpm whistle

mine whistles at a low rpm but i think its because its my throttle body spacer (wjick has the air swirler in it)
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Old 04-17-2005, 12:42 PM
  #7  
wicked04
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Default RE: high rpm whistle

as far as installin an s/c. i dont think my wallet would have forgotten even if I had. and it doesn't quite sound that NASTY.

[IMG]local://upfiles/14373/FC7C6E2AA4894EF79062F0F06A284198.jpg[/IMG]
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