more turbo whistle? - Ford Powerstroke Diesel Forum
6.7 Performance Parts Discussion 6.7 Performance Parts Discussion

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Old 01-08-2014, 08:09 AM
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more turbo whistle?

Any way to get the 6.7 to whistle like a 7.3? I love that sound. I figured it would take a different turbo. Anyone been able to get the 6.7 to whistle loudly?
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Old 01-08-2014, 08:24 AM
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I'm also interested in this subject. The only advice I've received was to delete the DPF and install an open box air intake. As far as putting in a new turbo, some kits will actually decrease the amount of turbo whistle. I haven't quite pin-pointed which turbo kits will increase the turbo whistle, but I've been told the MDP turbo kit will produce less turbo whistle. I've watched a video demonstrating an Industrial Injection turbo kit, which sounded like it had more whistle than the stock set up. I imagine that the method in which Ford has made the engine so quiet has something to do with why the turbo whistle is less audible.
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Old 01-08-2014, 08:29 AM
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Get on youtube and google up some piped 6.7 videos.

Turbo technology has changed incredibly since the old 7.3 and early 6.0 screaming turbos. They just do not sound the same anymore. You can delete/tune your 6.7 but they sound more like a jet fighter spooling up for take off than the sound you are talking about.
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Old 01-08-2014, 08:47 AM
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You'll hear a bit more whistle after you straight pipe, but you'll also get this unenjoyable cough-like noise.
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Old 01-08-2014, 08:52 AM
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I don't know man, my 6.7L 2013 has a pretty strong whistle and it's stock. Hell, everytime I turn on the truck and the wife is around and the turbo winds out at start up and then levels out she then say "and we're now ready for take off"
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Old 01-08-2014, 08:59 AM
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That's exactly the sound I meant. Sure they still whistle a bit, but not the same sound as the old days.
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Old 01-08-2014, 09:03 AM
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I think my 2011 w delete and 5" straight pipe had more whistle than my '13 with identical mod
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Old 01-08-2014, 09:29 AM
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Quote:
Originally Posted by Paul's Powerstroke View Post
I don't know man, my 6.7L 2013 has a pretty strong whistle and it's stock. Hell, everytime I turn on the truck and the wife is around and the turbo winds out at start up and then levels out she then say "and we're now ready for take off"
Yeah start up does come with a short but sweet sound.
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Old 01-08-2014, 12:37 PM
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You get a ton of whistle running open downpipe You can easily hear my truck spool up from 500ft. You get lots of other crazy sounds too like wastegate screech or whatever you want to describe that sound as.
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Old 01-08-2014, 01:59 PM
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Oh so that noise is coming from the wastegate...Is there a difference between an open downpipe and a straight pipe?
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