I have an 87 GN with a TE44 (5,000 miles), 50# injectors, chip, hotwire, 340 pump, 3" downpipe, 2.5" SS ATR dual, ported throttle body, manual boost controller, KN cold air, new hoses including HD clamps, stock headers.
Several weeks ago the car only runs to 10-11 PSI. I currently have the...