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Originally Posted by talonsway
so i removed the arm and took it for a drive, at about 4-5k i was seeing about 20 pounds of boost and at about 6/6.5 almost 30 pounds of boost. So if i am thinking right this means i found the problem, and that is that my waste gate is bad? So start shopping for a big 16g Waste gate actuator?
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If I am reading this right and the arm was removed to allow the flapper to open all the way right away, then you have bad boost creep. The fix would be a larger flapper and porting or an external wastegate. Another option is to choke the exhaust or intake system so that the turbo has a hard time making boost, which obviously isn't the best option for power.
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well I wanted to hold 15 maybe 20 pounds. So if I could get it to hold around there I would be happy. Might just start saving for a external waste gate set up, just drive it like it is because I can not figure out why this is happen. My friends DSM with his 16g and he only boost like 12 and it holds perfect
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Being able to hold 12psi fine with a 16G on a DSM is actually weird and not how they normally act. And what his car is doing does not matter and is not going to fix what yours is doing.