Motores

ELECTRONIC FUEL INJECTED GEMINI TWIN PLATE SYSTEMS

FORD These chips can still be retained if higher octane fuel or NX Power Booster (PN # 16000) fuel additive is used. On Dual Stage systems an aftermarket, high INSTALLATION INSTRUCTIONS capacity fuel pump must be installed. Depending on your combination and level of nitrous boost, timing Congratulations on the purchase of your Nitrous retardmay also be required. Express Ford Plate system. You have chosen the finest To insure proper system assembly and operation, nitrous system ever. Nitrous Express utilizes only the carefully read the following installation procedures highest quality components designed for the use of thoroughly before beginning. Use NX thread sealer liquid nitrous oxide. To properly utilize these specially on allpipe thread connections, DO NOT use any designed components and obtain the trouble-free sealer on flare connections, hose, or bottle connecoperation that this system is capable of producing, it tions. Use no other sealing compounds or Teflon tape. is extremely important that you read all instructions All threads must be clean and dry, apply only enough carefully. Pay special attention to theimportant notes sealer to wet the threads, too little is better than too at the end of the installation steps and the tuning tips much. Excessive tightening of parts is not necessary, listed at the back of this instruction sheet. snug is enough. If it is necessary to remove a fitting installed with the red NX sealer heat must be applied to release the sealing agent. NOTE: Due to shipping restrictions allNX nitrous bottles arrive empty. Before beginning the installation the N2O bottle should be filled by a NX accredited filling station. For filling station locations log on to www.nitrousexpress.com Before starting any installation procedures carefully disconnect the vehicle negative battery cable. If there is any question about this operation consult the vehicle owners manual! ILLUSTRATION A NOTE:All NX EFI Gemini Twin Systems come with dual stage spray bars pre-installed at the factory. To up-grade your standard single stage system contact your local NX dealer and ask for PN NX200DS. The NX GeminiTwin EFI system is designed to operate with stock fuel pumps and no timing retards up to the 150 horsepower setting. On all settings above 150 horsepower the following precautions should beobserved: A. An extra capacity aftermarket fuel pump must be used. 250LPM Minimum B. High octane race type fuel must be used to prevent detonation. C. Increased strength internal engine components and high performance head gaskets may be required. D. Depending on compression and fuel quality timing retard may be necessary to prevent detonation. If you have an aftermarket ECU chip that advances thestock timing, detonation could be a problem.

MOUNTING THE BOTTLE Insert the bottle nipple into bottle nut and securely tighten on the bottle valve. (See Illustration A.) Slide bottle into bottle brackets . Use illustration (A) as a guide for proper alignment. Locate bottle assembly in a mounting area that will provide easy access to bottle valve, for hose connection and bottle removal. Using thebottle unit as a pattern, mark and drill four 3/8” holes. Note: Before drilling holes be sure to check beneath the area being drilled for obstructions, fuel

lines or fuel tank. Then secure unit to mounting surface. (Recommended minimum of four 5/16” grade five bolts). Align the bottle in the brackets so that the valve outlet is pointing downward to the mounting surface (see illustration A) andtighten the bottle bracket bolts. NOTE: This is VERY IMPORTANT so that internal siphon tube will pick up liquid nitrous. MOUNTING THE NITROUS PLATE Before any modifications are made under the hood, we suggest that you make a diagram of all hoses wiring and linkages. 1. Pre-assemble the nitrous plate before you begin. Select the horsepower setting that you want to start with, insert the proper...