6.7 unique turbo noise - Ford Powerstroke Diesel Forum

6.7 Performance Parts Discussion 6.7 Performance Parts Discussion

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post #1 of 11 Old 10-07-2012, 07:18 PM Thread Starter
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6.7 unique turbo noise

How come on just the 6.7 the turbo sounds like its crying when it winds down? All the other diesels you can here the turbo wind down but not like the 6.7.

Also what is this noise at 3 seconds? I have heard Duramax's do it too. Is it the vanes closing that make it do that?

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post #2 of 11 Old 10-07-2012, 07:29 PM
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It's like the 6.4. The way the turbo is designed I guess it gives it that whooooooosh sound. That camera doesn't pick it up well but it does still have a whine to it to. And also that is the vanes in the turbo opening and closing most likely to keep the vanes from sticking like the 6.0 did.

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post #3 of 11 Old 10-08-2012, 04:52 AM Thread Starter
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I figured it was the vanes. I wonder how the vanes can ever get stuck if there always adjusting. My brothers 6.4 doesn't sound anything like the 6.7 when it comes to the turbo winding down. He has 5" turbo back and my dads 6.7 has more turbo noise only when it spools down. Going down the road the 6.4 screams though.
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post #4 of 11 Old 10-08-2012, 07:27 AM
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right the 6.4 only has the whooosh, the 6.7 has a whooosh then a whistle. sounds pretty sweet lol. the vanes on the 6.0 would stick due to rust, and soot. the design of the 6.7 may be better to prevent sticking. the 6.4 has a vgt and u dont hear anything about them sticking so they prolly solved the issue.

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post #5 of 11 Old 10-11-2012, 11:57 AM
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Love the whistle on my 6.7. It sounds AMAZING!

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post #6 of 11 Old 10-11-2012, 01:54 PM
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Quote:
Originally Posted by 1stgear View Post
Love the whistle on my 6.7. It sounds AMAZING!
I KNOW!!!! he is crazy LOL

T-rav
2010 F350 6.4- H&S Single turbo kit, 5" flo pro,No limit SS cold side kit, No Limit intake, MPD billet CCV/oil filler, newton leveling kit, RED Newton traction bars, custom projector retrofit in oem lights and a bunch of LED lights LOL

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post #7 of 11 Old 10-11-2012, 06:32 PM Thread Starter
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Originally Posted by travisH3 View Post
I KNOW!!!! he is crazy LOL
I think it sounds cool too, just wondering why the 6.7 sounds so much different then any other diesel when the turbo is winding down.
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post #8 of 11 Old 10-11-2012, 07:35 PM
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i just got my 6.7 a month ago i love it so much i was hearing a whistle sound while driving mainly while coasting, and was a little worried but after reading this thread its sounds normal no gauge lights came on same mpg and power.
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post #9 of 11 Old 10-12-2012, 05:16 AM Thread Starter
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Originally Posted by hendrix6.7 View Post
i just got my 6.7 a month ago i love it so much i was hearing a whistle sound while driving mainly while coasting, and was a little worried but after reading this thread its sounds normal no gauge lights came on same mpg and power.
that's pretty normal.
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post #10 of 11 Old 10-19-2012, 06:40 PM
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Sounds great!!!!! I will now do mine too now!

2012 f250 Ultimate Lariat, 6.7 powerstroke
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