Holley P/N A5177-SNOS manual

LS-1 Kit Num ber 051 77NOS OWNER ’S MANU AL P/N A5177- SNOS[...]

2 CONGRATULATIONS on p urchasing y our NOS Nitrous O xide Inject ion System! Your system is comp osed of the highest quality componen ts available. It should pro vide many miles of trouble-free perfo rmance when used correctly. If you have any questions regar ding the performance o f your system, call NOS Technical Service at 1-866-GOHOLLEY. NOTICE[...]

3 Never drop or violent ly strike the bottle. Doing so m ay resu lt in an explosive bottle failure. Never change pressure settings of safet y relief valve on the nitrou s bottle valve. Increasing the safe ty relie f valve pressure setti ngs may create an explosive bottle hazard. Identif y the gas content by the NOS label on the bottle before using.[...]

4 TABLE OF CONTENTS WHAT IS NITROU S OXIDE? .......................................................................................................5 Do’s and Don’ts of Nitrou s Oxide..............................................................................................5 Chapter 1 Introduction to your NOS Nitrous O xide Kit ......... ....[...]

5 WHAT IS NITROUS O XIDE? NITRO US OXIDE… …Is a cryogenic gas composed of nitrogen and oxygen molecules …Is 36% oxygen by weight …Is non-flammab le by itself …Is stored as a compressed liquid …Exists in two gra des—U.S.P. and Nitrous Plus :  U.S.P. is medical grade nitrous oxide; its common use is dental and veterina ry anesthesia.[...]

6 1.2 Sys tem Requirements W hen used correctly, Kit Number 05177NOS will work with stock LS-1 internal engin e components. To ensure proper performance and driveline longevity, the following i s suggested:  Automatic Transmis sions If the vehicle is to be exposed to severe operating co nditions, such as drags trip use, a reputable high pe rform[...]

7 Figure 1 Kit Num ber 05177NOS Components Chapter 2 Kit Installation 2.1 Bottle Mounting Instructions NOTE: Disconn ect the battery ground before beginn ing installation. 2.1.1 Street V ehicles Accurate calibra tion of your NOS nitrous sys tem depends on the bottle remaini ng at a stable temperature. Mount the bott le away from hea t sources, such[...]

8 Before mounting a nitrous bottle in a racin g vehicle intended for use in sanction ed events, check with the sanctioning association fo r any rules regarding this subj ect. Most associations require the bo ttle to be mounted within the confines of the safety roll cage, with t he safety pressure relief cap ven ted away from the driver’s compartm[...]

9 Figure 4 Kit Num ber 05177NOS Assembl y Draw ing[...]

10 Figure 4A Kit Num ber 05177NOS Installed 4. Use the assemb led bottle/bracket/blow-down tube u nit as a pattern to mark for hole drilling. Drill four 5/16” holes for the bottle bracket b olts, a 1/2” hole for the blow-down tube , and an 11/16” hole for the nitrous supply tube. 5. Mount the brack ets securely to the surface (recommended min[...]

11 6. Remove all debris from the airbox before reinstallation. Figure 5 Location of Spray Nozzle Holes in Airbox Figure 6 Spray Nozzle Assembl y 2.5 Solenoi d Mounting Use the following procedure to install the nitrous solenoids. CAUTION: Do not o vertighten the vise in the following procedure, or the solenoi d will be damaged. NOTE: Apply Teflon-b[...]

12 2.6 Nitrous Fe ed Line Mounting HINT: Following the fuel lines along the left side of t he vehicle and entering the engine b ay near the master cylinder works well. 1. Determine the route for your nitrous feed line to follo w. Ensure the path is clear of exhaust system, suspension , steering, wheels, elec trical lines and components, and ti res.[...]

13 WARNING: Be c areful when removing the fue l rail test port fitting. The fue l rail may be pressurized. Alwa y s allow the engine to co ol before performing this operation. Fuel sprayed onto hot engine component s 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 fue[...]

14 Figure 10 Microsw itch Mounting Locatio n—shown at idle. Figure 11 Microsw itch Mounting Locatio n—shown at W.O.T.[...]

15 2.9 Preparing for Operation 1. Start the vehicle . 2. Open the nit rous bottle valve. There should be no chan ge in the engine idle speed or exhaust tone. If either change is noted, refe r to Appendix A, Troubleshooting Guide . 3. Inspect the nitrous lines and fittings for leaks. 4. ENJOY!!! Chapter 3 Tuning Suggestions Your NOS Kit Numb er 0517[...]

16 Too much ni trous flow. Reduce nit rous jetting. Inadequate fu el delivery due to: Plugged fuel filter Inspect fuel filter. Clean or replace f ilter. Crimped fuel line . Inspect fuel line. Replace c rimped line. Engine detona tes heavily when s ystem is activated. W eak fuel pump. Ins tall fuel pressure gauge, such as NOS P/N 15931 NOS in the fu[...]

17 Nitrous Press ure Gauges (P/N 15910NOS) measu re from 0-1500 psi (although recomm ended level is 900-950 psi) and are essential in mon itoring the bottle. The Quick Rele ase Hinged Aluminum Bracke t (P/N 14140NOS) is available fo r 10 lb. and 15 lb. bottles. P/N 14147 NOS is available for th e carbon fiber bottle. P/ N 16030NOS P/N 15910 NOS P/N[...]

18 NOS Techni cal Support Phone: 1-270- 781-9741 Toll-Phone: 1-866-GO HOLLEY Fax: 1- 270-781-9772 For online hel p, please check the Tech Service se ction of our website : www .holley.com A5177-SNOS Date: 7-2-07[...]