Hi,
Top port should be vented, bottom is your reference pressure. You shouldn’t have more than one vent open per wastegate. Sounds like you got it figured out, but something changed. Likely a line from your EBC to wastegates has ruptured, or possibly from your reference to EBC. If those are good, then you have a boost leak. Sounds like a simple fix, best of luck.
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'15 370z Nismo Tech 6MT Magnetic Black, V2 BP Kit 6467 Unexploded Turbo | '06 350z Touring 6MT Carbon Silver
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