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Anyone tried turbo flutter for fun?

OFC Ranger

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Turbocharged cars make two distinct iconic sounds.

Atmospheric Blow Off-Valve; this creates the iconic sound of a single sharp release of pressurized air.

Then we have the "flutter" or as the internet coins it, the "stustustustu" sound. Yea this made me laugh too, never heard it called that, I was like "The what sound?" It actually kind of makes sense I guess. You've heard it in movies and some of you may not have realized what it was, or mistook it for a BoV sound.

This is caused on a turbocharged system without any blow off valve type present. When the unused pressurized air has no exit point, well, it just goes back to whence it came from. Yup - reverse course all the way back out your intake. It is the sound of the returning air being forced back through your turbo and chopping against the blades.

So there are a couple of public thoughts on this;

1. Terrible for your turbo
2. Not terrible for your turbo
3. Minimally terrible for your turbo

Debate ranges from "air battling on your blades bad mmkay" (which does make sense), to "turbos built today are structurally superior to those of the past", to "wont hurt smaller turbos, but bad for big boy turbos".

I have zero clue what is true, not true, half truth, or any other choice on the spectrum.

We can make our turbos flutter by simply removing the BoV and blocking the pipe, or you can take a slice of coke can and slip it between the BoV and the pipe.

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Grumpaw

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So, you want me to take a piece of a Coke can, slip it between the bov and pipe to make it sound like a make believe ray-gun from a B-rated sy-fy movie.....
I'll pass !!! :facepalm:
 

RedDakooter05

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That sounds like shit and a ricer.

Also, I noticed anytime car idiots say "it won't harm your engine" are the same crowd that WOTs all the time then trades the car before 30k mark then go on forums and say "Bro these cars last for ever".
 


Blmpkn

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This is something where If you have to force it, its not cool.

My racecar is gonna have compressor surge all over the place.. but.. racecar.. costing me too much as it is.. I ain't spending more money on a BOV
 

myothercarizahearse

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So, you want me to take a piece of a Coke can, slip it between the bov and pipe to make it sound like a make believe ray-gun from a B-rated sy-fy movie.....
I'll pass !!! :facepalm:
If you put it that way I'm in
 

Grumpaw

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If your that hard up for something that sounds like that, try a Kazoo...as your driving, just start blowing it...sounds remarkably like a "flutter"...

download.webp
 

myothercarizahearse

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If your that hard up for something that sounds like that, try a Kazoo...as your driving, just start blowing it...sounds remarkably like a "flutter"...

download.jpg
stick it in the tailpipe?
 
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OFC Ranger

OFC Ranger

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That sounds like shit and a ricer.

Also, I noticed anytime car idiots say "it won't harm your engine" are the same crowd that WOTs all the time then trades the car before 30k mark then go on forums and say "Bro these cars last for ever".
How do you feel about big trucks and supercharger whine?
 

Big Blue

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Short answer to title question.

NO !
 

RedDakooter05

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How do you feel about big trucks and supercharger whine?
Define big trucks to me.

Talking tractors/18-wheelers, ect? I think it sounds pretty cool but I suppose if I were around it for more than a few minutes I would start to find it annoying.


I did this mod to my previous F150 with the 2.7 engine. It was neat for a little bit but was ricey no matter what the other F150 owners said...
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