I have the NOS 5115 dry kit set to 75hp. When i instaled the kit i went from 14.2 to 13.2 on street radials with no suspension mods. I dint have the gears or subframes then. If you have he 5115 kit, where i the spray nozzle installed? Make shure the nozzle is spraing straight in the direction of the incomig air flow. You could use a DMM set to ohms to test your pressure switch. You dont really need to purge. I just arm the system and do a quick burst of nitrous on the burnout before my first run. That will get all of the air out of the line. Remember never to activate the nitrous below 3000 rpm.
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90 GT 25th Anni. Did the AOD to T-5 swap, SPEC clutch, Steeda Tri-Ax shifter, BBK 2½ inch off-road H pipe, Flows, BBK 70mm TB/EGR, Ford Racing aluminim driveshaft, 3.55's, welded subframes, Ram Air, 3 core radiator, NOS dry kit 75 shot, and a K&N filter.
12.9 @ 108
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