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Summary of Contents for Holley NOS 05177NOS
- Page 1 LS-1 Kit Number 05177NOS OWNER’S MANUAL P/N A5177-SNOS...
- Page 2 Kit Number 05177NOS, when equipped with upgrade package P/N 15826, has received an Executive Order Exemption from the California Air Resources Board (EO #D-266). This exemption means that when equipped with this upgrade package, your vehicle will be “Smog Legal”...
- Page 3 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.
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Page 4: Table Of Contents
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...5 1.2 System Requirements ...6 1.3 Kit Components ...6 Chapter 2 Kit Installation ...7 2.1 Bottle Mounting Instructions ...7 2.1.1 Street Vehicles...7 2.1.2 Racing Vehicles...7... -
Page 5: What Is Nitrous Oxide
1.1 General Information Kit Number 05177NOS is intended for use on 1998 and up GM LS-1 Camaro/Firebird engines. Kit Number 05177NOS flows fuel through the factory GM fuel injectors. Necessary fuel flow is accomplished by nitrous flowing through the mass air flow... -
Page 6: System Requirements
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. -
Page 7: Chapter 2 Kit Installation
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. -
Page 8: Bottle Orientation
NOTE: Numbers in parentheses ( ) refer to the parts list /assembly drawing number for the component (Figure 1). Figure 4 shows the installation assembly for Kit Number 05177NOS. Install the bottle nut adapter (2) and washer (3) on the nitrous bottle (1), and tighten securely. - Page 9 Figure 4 Kit Number 05177NOS Assembly Drawing...
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Page 10: Spray Nozzle Installation
Figure 4A Kit Number 05177NOS Installed 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. -
Page 11: Solenoid Mounting
Remove all debris from the airbox before reinstallation. Figure 5 Location of Spray Nozzle Holes in Airbox 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. -
Page 12: Nitrous Feed Line Mounting
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. 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. - Page 13 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. Remove the cap over the fuel rail test port on the front of the driver’s side fuel rail. Bleed off the fuel pressure in the rail by covering the test port with rags and depressing the schraeder valve.
- Page 14 Figure 10 Microswitch Mounting Location—shown at idle. Figure 11 Microswitch Mounting Location—shown at W.O.T.
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Page 15: Preparing For Operation
Inspect the nitrous lines and fittings for leaks. 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 Tuning Suggestions for NOS Kit Number 05177NOS O Jetting .028... -
Page 16: Nitrous Oxide Accessories
Too much nitrous flow. Inadequate fuel delivery due Engine detonates to: Plugged fuel filter heavily when system is Crimped fuel line. activated. Weak fuel pump. High RPM misfire Excessive spark plug gap. when system is activated. Weak ignition/ignition component failure. Surges under Inadequate supply of acceleration when... - Page 17 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.
- Page 18 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...
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