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Discussion Starter #1
After installing my Joe P mbc i'm boosting at 20 psi. First I thought all I need to do is lower the boost, so I did. Now I know I lowered it to its lowest and my boost gauge still reads 20 psi. Is something wrong with the boost controller b/c prior installing the mbc I was at 10 psi. All i really wanted to do was set it to 15 but it goes all the way to 20psi.

Any help is appreciated
 

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Elite DSMtalker
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You sure it's not connected backwards?
Where are you taking your pressure source from?
The wastegate can't open if it doesn't see boost pressure and it's not going to if your feed hose deosn't have boost pressure or it's pushing on the ball valve instead of against it.

Steve
 

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Discussion Starter #4
Thanks for the help, i'll check again if I didn't connect the boost controller right..
 
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