whoosh
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More Turbo
Joined: May 2006
Posts: 504
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From: Cameron, Ok
whoosh
Will someone tell me if the whoosh I hear when it upshifts is the waste gate opening? And if it's normal? Sounds like a big rig air system venting the air compressor...except only when the engine is loaded up.
Postmaster
Joined: Jul 2006
Posts: 4,993
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From: Bend, OR
Its not the wastegate. You will never hear the wastegate on a stock 7.3 turbo.
Its turbo stall due to the engine RPM's changing/dropping quickly. There is no where for the air to go so it rushes out the intake.
Normal, and mostly not harmful.
Its turbo stall due to the engine RPM's changing/dropping quickly. There is no where for the air to go so it rushes out the intake.
Normal, and mostly not harmful.
Post Fiend
Joined: Dec 2009
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From: Livoina,La
I answered your question in that thread
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More Turbo
Joined: May 2006
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From: Cameron, Ok
Thanks Mike and Joe. I moved to this forum before I read your answer, MIke. Thank you. So, Joe, is this what people use the ww to try and cure? You did say it mostly doesn't hurt anything...what does that mean? It's gotta be whooshing out the air filter, right? Is it hard on the turbo? The intake system?
And I've read and read and I can't really find anywhere that boost has much effect on power. Why do people try to increase boost by messing with the waste gate?
And I've read and read and I can't really find anywhere that boost has much effect on power. Why do people try to increase boost by messing with the waste gate?
Hotshot
Joined: Jan 2011
Posts: 18,849
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From: Puget Sound
Shields up... ready for retort.
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More Turbo
Joined: May 2006
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From: Cameron, Ok
Well, thanks Rich. That makes sense to me . And Rick, yes, I first started noticing the whoosh after the 6637 install. So, I guess I'm good to go until I get my buckzooka reloaded!?
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Elder User
Joined: Jul 2012
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From: Glen Rose, Texas
Your fine with the sound. All my turbo cars have had it, and both of my trucks do. The only difference between the cars and these trucks is that on the cars I could use a blow off valve that releases the air instead of coming back through the filter. Havent see anyone on here stating if this is possible on trucks or not.
Fleet Mechanic
Joined: Dec 2010
Posts: 1,546
Likes: 9
From: Wellington, Co
Thanks Mike and Joe. I moved to this forum before I read your answer, MIke. Thank you. So, Joe, is this what people use the ww to try and cure? You did say it mostly doesn't hurt anything...what does that mean? It's gotta be whooshing out the air filter, right? Is it hard on the turbo? The intake system?
And I've read and read and I can't really find anywhere that boost has much effect on power. Why do people try to increase boost by messing with the waste gate?
And I've read and read and I can't really find anywhere that boost has much effect on power. Why do people try to increase boost by messing with the waste gate?
Laughing Gas
Joined: Nov 2010
Posts: 1,193
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From: D.C. but heart's in TEXAS
Bingo. An open intake makes that a very noticeable sound. Takes a while to get used to it!
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