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Discussion Starter #1
Hello:

I start noticing a whistle coming from the engine about some weeks ago. When I start the cold engine it doesn't sounds but when it warms and low revs a bit then it start!, but if i.e I accelerate and rev up it goes, it only happens when it is at certain revs like between 900 and 1200 rpms.
What you recommend me to check?, does any body have had this kind of issue?

Regards
 

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I <3 my SVT
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Mine is in the intake, I think it has to do with me porting my throttle body. you have to identify exactly where the noise is coming from. it could be anywhere, lots of things are capable of whistling noises. It could be as simple as a leaf stuck in your grille, and it whistles at speed. haha just sayin

Matt
 
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