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First Start Up After Engine Refresh - whining noise near intake


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Hey Guys,

I finally got around to fixing the cam issues (dislodged freeze plug) that i suffered the first time started the car. This time around this are going much better, but there a weird noise coming from around the intake/throttle body. Its not constant, seems to cycle every 5 seconds or so. 

In the video below you can hear the noise starting at round 18 seconds when I rev the engine, and then it gets pretty evident again around 35 seconds. Any thoughts? 

Other than the noise, the car is running pretty smoothly with no codes
 



I have a durametric unit, if there's anything I can check

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