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The mkiv Supra Owners Club

Adjusting bleed valve


aido

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Bit of a stupid question potentially but is it possible to adjust a bleed valve?

 

I've had a search on the forums and see mention of adjusting them, but not actually how to adjust them.

 

I have two nuts from memory on mine, is it just a case of putting them as close as they'll go together which will lower the boost and then in summer open them up again to raise it or is it the other way around? Not sure so this is why I haven't changed it yet! Guessing that if I turn it down fully it will mean the car is running pretty much back at stock levels?

 

Just wanting to try adjusting it to see if it will increase mpg and driveability of the Aristo now it's getting crap outside!

 

Thanks in advance

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