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But I'll give you the quick lowdown. First, when installing any aftermarket boost controller, remove both stock boost solenoids and all assoc. vacuum lines. Run all new vacuum lines. Cut 2 equal length lines and run each down to the wastegates, then connect them to a "T" fitting. Then cut 2 equal length lines and attach them to the boost feed ports, which are located on the stock black intercooler piping, just before the throttle body pipes. T that off as well. Attach a vacuum line to each of the "T"s and connect both to the appropriate ports on the Greddy boost solenoid. Try to keep line length to a minimum, as to prevent boost spiking, or so I've heard.
 1990 Nissan 300ZXTT Stage III+ |
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