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Loud whistling noise after Boost check valve installation!!!!!!help

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Discussion Starter · #1 ·
I installed a boost check valve a couple days ago and when i accelerate at high revs a loud whistling sound comes from the engine!! did i do something wrong??? maybe it has nothing to do with the BCV anyone have any ideas???
and YES the BCV is on right and tight
thanks guys
 
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Wonderwop
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