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Boost creep is an uncontrolled increase in boost as the RPM's go up. So if you are starting at say 8psi at 4k RPM, and hitting 12psi by 7k RPM,
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The370Z.com Sponsor
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Boost creep is an uncontrolled increase in boost as the RPM's go up. So if you are starting at say 8psi at 4k RPM, and hitting 12psi by 7k RPM, then it is considered boost creep.
I have not had any customers experience boost creep, this includes the local guys, where I installed the same kit you guys are running. I believe there is something else at play with those that are having issues controlling boost. Two wastegates are more than enough for this system. With the original 350Z kit, I used one of these wastegates, and it was more than enough to bleed off the exhaust gases to keep boost steady at 5psi on spring pressure, with a much smaller turbine to boot.
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