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

hissing sound

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Old 09-13-2006, 12:26 AM
  #1  
handyandy
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Default hissing sound

Everytime I accelerate I hear a little hiss for a split second coming from the engine, Is something wrong or is this natural? Maybe its one of my bolt ons. Do I have a leak in my intake? I dunno. It sounds kind of cool. But maybe somethings wrong.
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Old 09-13-2006, 12:51 AM
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Default RE: hissing sound

anyone have any idea what could be up?
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Old 09-13-2006, 12:53 AM
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sleeping stallion
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Default RE: hissing sound

is all ur intake setup right.
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Old 09-13-2006, 12:59 AM
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Twister
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Default RE: hissing sound

the TB....sand cast....
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Old 09-13-2006, 01:02 AM
  #5  
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Default RE: hissing sound

my intake is all good, everything is connected right and tight. I'm thinking TB. whats sand cast?
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Old 09-13-2006, 01:08 AM
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Default RE: hissing sound

the aluminum is poured into a sand casting
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