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Blow Off Valve

premium

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Hi

I'm considering (and saving for) a turbo on my N/A VL Commodore RB30.
I'm a huge fan of the idea of 250+ HP, but I'd like to know if they make blow off valves that don't make that stupid noise.
Others might think it's cool, but I don't like the sound of a pigeon under the bonnet.
Any help would be appreciated.

thanks, Premium.
 

black as

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I have 2 cars VZ sv8 6 litre and VU ute 5.7 litre
Go to Repco they sell the quiet ones
 

thewheeldeal com au

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Yeah, its called a plumb-back...

The pigeon noise is from running with no BOV...
The Pssshhhht noise is from a BOV...
A quality plumb back BOV shouldn't make much noise at all (and is legal)
 

snowybill

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Out of interest, are there different ones that make all different noises?
Noob question probly, but hey.. im a noob. lol
 

VL_5SPEED

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What your reffering to is called a dose/flutter caused from compressor surge. Its not a BOV.

BOVS make the gay chhhhhhh often found on them rice box jap cars. bovs can also make no noise.
 

snowybill

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ahh yeh the flutter thing. So whats the difference? IF you can explain in short, or have a link? :)
 

premium

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What your reffering to is called a dose/flutter caused from compressor surge. Its not a BOV.

Well, is there any way to stop the flutter? (sorry for all the nooblet questions, but I know SFA about Turbochargers)
 

calais24/7

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Well, is there any way to stop the flutter? (sorry for all the nooblet questions, but I know SFA about Turbochargers)

Im pretty sure thats what the BOV's are for and yes there are silent ones around and they do serve a purpose
 
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