risskybusiness Posted June 25, 2014 Report Share Posted June 25, 2014 Lately I've been experiencing a weird noise from my car. When I'm in boost and release the throttle it makes a weird whoop/whining noise. I'm assuming it's air escaping from somewhere, but not sure where it be from. Does anyone have an idea? For those who don't know I have a 2010 SHO. Quote Link to comment Share on other sites More sharing options...
brucelinc Posted June 25, 2014 Report Share Posted June 25, 2014 Yes,it is the BOVs and is a characteristic of the 4X/3 bar tune. It happens with boost and then when you back off relatively quickly. Many of us have noticed that. I can't explain WHY it seems to be a characteristic of the 4X but it seems to be normal. I was running my BOVs stock and noticed it. I then vented them to atmosphere and the noise was a bit louder immediately followed by a "Ppfffttt" sound. Wish I had a more techical answer. Perhaps only Dan Millen could provide that. Quote Link to comment Share on other sites More sharing options...
risskybusiness Posted June 25, 2014 Author Report Share Posted June 25, 2014 Thanks. I was worried. Sent from my Note 3 using Tapatalk. Quote Link to comment Share on other sites More sharing options...
Guest Guest Posted June 26, 2014 Report Share Posted June 26, 2014 Yeah, that's normal. My BOV make all kinds of crazy noises. My daughter accused me of doing it on purpose. LOL Yeah, it's fun! Quote Link to comment Share on other sites More sharing options...
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