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Originally Posted by James10694 Now that were on the topic of wastegates.. I'm still having overboosting/boost creep issues. I spoke with my tuner and he sent me an updated map.
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What springs are in the gates, and what is the actual boost being seen? Also, which boost controller, and where is the boost reference for the wastegates (bottom) and boost controller pressure reference plumbed to? If the tuner "fixed it" and it worked for a day, it sounds like a boost controller issue. Actual boost creep due to poor exhaust/kit design would occur when you are trying to run low power/boost, not with higher boost. This is because at low power/boost, more exhaust gas needs to go through the wastegates, to bypass the turbine, and keep the boost low.
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