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LS-1
Kit Number 05177NOS
OWNER’S MANUAL
P/N A5177-SNOS
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CONGRATULATIONS on purchasing your NOS Nitrous Oxide Injection System! Your system is composed of the highest quality components available. It should provide many miles of trouble-free performance when used correctly. If you have any questions regarding the performance of your system, call NOS Technical Service at 1-866-GOHOLLEY. NOTICE: Installation of Nitrous Oxide Systems Inc. products signifies that you have read this document and agreed to the terms stated within. It is t
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Never drop or violently strike the bottle. Doing so may result in an explosive bottle failure. Never change pressure settings of safety relief valve on the nitrous bottle valve. Increasing the safety relief valve pressure settings may create an explosive bottle hazard. Identify the gas content by the NOS label on the bottle before using. If the bottle is not identified to show the gas contained, return the bottle to the supplier. Do not deface or remove any markings, which are on t
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TABLE OF CONTENTS WHAT IS NITROUS OXIDE? .......................................................................................................5 Do’s and Don’ts of Nitrous Oxide..............................................................................................5 Chapter 1 Introduction to your NOS Nitrous Oxide Kit ..........................................................5 1.1 General Information................................................................................
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WHAT IS NITROUS OXIDE? NITROUS OXIDE… …Is a cryogenic gas composed of nitrogen and oxygen molecules …Is 36% oxygen by weight …Is non-flammable by itself …Is stored as a compressed liquid …Exists in two grades—U.S.P. and Nitrous Plus: U.S.P. is medical grade nitrous oxide; its common use is dental and veterinary anesthesia. It is also commonly used as a propellant in canned whipped cream. U.S.P. is not available to the public. Nitrous Plus differs from U.S.P. in that it contain
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1.2 System Requirements When used correctly, Kit Number 05177NOS will work with stock LS-1 internal engine components. To ensure proper performance and driveline longevity, the following is suggested: Automatic Transmissions If the vehicle is to be exposed to severe operating conditions, such as dragstrip use, a reputable high performance transmission shop should service the automatic transmission. Manual Transmissions If the vehicle is to be exposed to severe operating co
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Figure 1 Kit Number 05177NOS Components Chapter 2 Kit Installation 2.1 Bottle Mounting Instructions NOTE: Disconnect the battery ground before beginning installation. 2.1.1 Street Vehicles Accurate calibration of your NOS nitrous system depends on the bottle remaining at a stable temperature. Mount the bottle away from heat sources, such as the engine compartment or exhaust system, and away from windows, where the bottle is exposed to direct sunlight. In vehicles
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Before mounting a nitrous bottle in a racing vehicle intended for use in sanctioned events, check with the sanctioning association for any rules regarding this subject. Most associations require the bottle to be mounted within the confines of the safety roll cage, with the safety pressure relief cap vented away from the driver’s compartment. 2.2 Bottle Orientation Bottle placement is critical to the performance of your NOS nitrous system. It is important to understand how the bottle v
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Figure 4 Kit Number 05177NOS Assembly Drawing 9
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Figure 4A Kit Number 05177NOS Installed 4. Use the assembled bottle/bracket/blow-down tube unit as a pattern to mark for hole drilling. Drill four 5/16” holes for the bottle bracket bolts, a 1/2” hole for the blow-down tube, and an 11/16” hole for the nitrous supply tube. 5. Mount the brackets securely to the surface (recommended minimum of 5/16” bolts). 6. Tighten the bracket clamps on the bottle. 2.4 Spray Nozzle Installation 1. Remove the upper airbox cover.
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6. Remove all debris from the airbox before reinstallation. Figure 5 Location of Spray Nozzle Holes in Airbox Figure 6 Spray Nozzle Assembly 2.5 Solenoid Mounting Use the following procedure to install the nitrous solenoids. CAUTION: Do not overtighten the vise in the following procedure, or the solenoid will be damaged. NOTE: Apply Teflon-based paste to all pipe fittings before assembling the solenoids and regulator. 1. Install a 1/8” NPT Plug (13) in
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2.6 Nitrous Feed Line Mounting HINT: Following the fuel lines along the left side of the vehicle and entering the engine bay near the master cylinder works well. 1. Determine the route for your nitrous feed line to follow. Ensure the path is clear of exhaust system, suspension, steering, wheels, electrical lines and components, and tires. 2. Feed the main nitrous supply line (21) along the proposed route. 3. If it is necessary to support the nitrous supply line under the vehicle,
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WARNING: Be careful when removing the fuel rail test port fitting. The fuel rail may be pressurized. Always allow the engine to cool before performing this operation. Fuel sprayed onto hot engine components may start a fire. 2. Remove the cap over the fuel rail test port on the front of the driver’s side fuel rail. 3. Bleed off the fuel pressure in the rail by covering the test port with rags and depressing the schraeder valve. 4. Remove the schraeder valve with a valve core tool.
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Figure 10 Microswitch Mounting Location—shown at idle. Figure 11 Microswitch Mounting Location—shown at W.O.T. 14
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2.9 Preparing for Operation 1. Start the vehicle. 2. Open the nitrous bottle valve. There should be no change in the engine idle speed or exhaust tone. If either change is noted, refer to Appendix A, Troubleshooting Guide. 3. Inspect the nitrous lines and fittings for leaks. 4. ENJOY!!! Chapter 3 Tuning Suggestions Your NOS Kit Number 05177NOS is factory set to work with stock engine settings. For maximum performance, follow the settings listed in Table 2. Table 2 Tu
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Too much nitrous flow. Reduce nitrous jetting. Inadequate fuel delivery due Inspect fuel filter. Clean or replace filter. Engine detonates to: Plugged fuel filter heavily when system is Crimped fuel line. Inspect fuel line. Replace crimped line. activated. Weak fuel pump. Install fuel pressure gauge, such as Repair/replace fuel pump. NOS P/N 15931NOS in the fuel line. Run engine under load at wide-open throttle, with system activated. High RPM misfire Excessive spark plug gap. Inspe
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Nitrous Pressure Gauges (P/N 15910NOS) measure from 0-1500 psi (although recommended level is 900-950 psi) and are essential in monitoring the bottle. The Quick Release Hinged Aluminum Bracket (P/N 14140NOS) is available for 10 lb. and 15 lb. bottles. P/N 14147NOS is available for the carbon fiber bottle. P/N 16030NOS P/N 15910NOS P/N 14140NOS For those who want the ultimate in appearance, NOS of
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NOS Technical Support Phone: 1-270-781-9741 Toll-Phone: 1-866-GOHOLLEY Fax: 1-270-781-9772 For online help, please check the Tech Service section of our website: www.holley.com A5177-SNOS Date: 7-2-07 18
