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Old 01-22-2013, 10:58 AM   #549
Scooby Specialist
Member#: 59892
Join Date: Apr 2004
Chapter/Region: South East
Location: Summerville, SC
2004 Harman Tuned
GT30R .82 JBP STi


Originally Posted by flippymcbean View Post
Why would I need a new boost controller? I'm tuned at 17psi. They raised boost when I got tuned so...I don't know what to do anymore.
Are you on your factory turbo? Any work been done to the hot side? Boost creep is a mechanical issue and can't be tuned out. Sure, you can lower the amount of boost, but that's just a band aid. There's tons of info on here about boost creep and what to do about it. The best method for dealing with it short of going external wastegate set up is to port the factory wastegate opening. This is a very common issue when upgrading DP's. This was one of the reasons why STi's went from the VF39 to the VF43. Same size turbo, just with a factory ported wastegate.
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