LS1TECH - Camaro and Firebird Forum Discussion

LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Loud whistle near front of engine????

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Old 08-26-2009, 10:02 PM
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Default Loud whistle near front of engine????
After my car gets warmed up and I have drove it a while it has an annoying high pitched noise. Is this a bad Mass Air???? or what??
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Old 08-26-2009, 10:08 PM
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Its your BBK throttle body. Everyone always thinks I have a supercharger when they hear that noise..lol. Its normal for those.
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Old 08-26-2009, 10:13 PM
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Ok cool I thought it was odd, but my mustang had a noise like that too but it was due to a dirty TB but I thought it was cool... Thanks
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Old 08-26-2009, 10:17 PM
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Casting flash in the IAC passage.
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Old 08-27-2009, 02:20 AM
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Yep thats normal.
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