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what is this noise in my engine comp?

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Old 09-18-2011, 08:59 AM
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what is this noise in my engine comp?

hey guys, just want to know if any of you know what this sound is for sure? i have a couple ideas but i dont want to go ripping apart my beast any more than i have to. Any ideas will help, thank you! http://www.youtube.com/watch?v=kcmD9fFMdD0
Old 09-18-2011, 10:00 AM
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Maybe you got a locomotive hangin out in there somewhere? I got nothin. Exhaust sounds sweet though....
Old 09-18-2011, 11:20 AM
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haha aluminum exhaust :p f*** it does sound like a locomotive. I cant figure it out!
Old 09-18-2011, 12:52 PM
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Pull the vacuum hose from the PCV valve off at the plenum connector, and cap the connector to the plenum. Or, squeeze it to stop the vacuum flow from going through. I had this same sound, ended up being the hose I was using was to thin, and it was contracting itself under vacuum.
Old 09-18-2011, 12:58 PM
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i frequently take the pcv valve off to use seafoam and it still does it. but ill give a try squeezing it or putting my thumb on it, thanks
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