Honda B16a & Type “R” NXL Nozzle with Integrated Rail Technology
Congratulations on the purchase of your Nitrous Express NXL nozzle with “Integrated Rail Technology” System. You have chosen the finest, most technologically advanced system on the market. Nitrous Express utilizes only the highest quality components designed for the use of liquid nitrous oxide. To properly utilize these specially designed components and obtain the trouble-free operation that this system is capable of producing, it is extremely important that you read all instructions carefully. Pay special attention to the important notes at the end of the installation steps and the tuning tips listed at the back of this instruction sheet.
All NXL systems are designed to operate with stock fuel pumps, and no timing retards are required. If you have an aftermarket ECU chip that advances the stock timing, detonation could be a problem. These chips can still be retained if higher octane fuel or NX Chemical “X” (PN16003) fuel additive is used. On Dual Stage or EFI Race systems an aftermarket, high capacity fuel pump must be installed. Depending on your combination and level of nitrous boost, timing retard may also be required.
To ensure proper system assembly and operation, carefully read the following installation procedures thoroughly before beginning. Use NX thread sealer on all pipe thread connections; DO NOT use any sealant on flare connections, hose, or bottle connections. Use no other sealing compounds or Teflon tape. All threads must be clean and dry, apply only enough sealer to wet the threads, too little is better than too much. Excessive tightening of parts is not necessary, 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 all NX nitrous bottles arrive empty. Before beginning the installation the N2O bottle should be filled by a NX accredited filling station.
Before starting any installation procedures, carefully disconnect the vehicle’s negative battery cable. If there is any question about this operation consult the vehicle owners manual!
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 the bottle 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) and tighten the bottle bracket bolts. NOTE: This is VERY IMPORTANT so that internal siphon tube will pick up liquid nitrous.
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