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The mkiv Supra Owners Club

Stock BOV modification


cheekymonkey
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Hi All

 

I was about to drop £200 on a nice BOV but then I had a thought - there's already a BOV on the stock setup, so why not make use of it?

 

I am going to disconnect the BOV outlet pipe, and have it vent to atmosphere after bunging up the manifold connection. Hopefully it will make a nice noise!

 

Is this worth trying?

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Yes, that works. It's makes the "bus door" noise, if thats what you're after :D It's not as loud as a proper vent to atmosphere BOV, but it's not bad for the money (nothing) ;)

 

Cheers. Will give it a go, record the sound, and do a quick write up. (Yes am starting simple but want to give something back to the club :D)

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I did the stock bov mod to mine (it's an auto) and put it straight back to stock after 5 mins. On low boost it sounded like it was venting, I didn't like it at all.

 

Probably because it was Doug ;) When its recirculating into the intake it still leaks, you just don't hear it!!

 

I made mine adjustable to cure this. I think its the spring that weakens with time.

 

If anyone wants the adjustable stock BOV let me know. Free to a good home now the SSQV is fitted :D

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