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Holley 02121NOS - page 1
P/N 199R10382 2005 Mustang Wet Single Fogger Kit Kit Number 02121NOS OWNER’S MANUAL CONGRATULATIONS on purchasing your NOS Nitrous Oxide Inj ection Syst em! Your system is composed of the highest quality components availa ble. It should provide many miles of trouble-free performance when used corre ctly. If you have any questions regarding the pe ...
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Holley 02121NOS - page 2
NOS nitrous oxide is legal for use in most states when used in accordance with state and l ocal traffic laws. NOS does not recommend or condone the use of its produc ts in illegal racing activiti es. NOS has not pursued California Air Researc h Board (CARB) exemptions for these kits, hence, they are not legal for use on pollution-controlled vehicle ...
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Holley 02121NOS - page 3
TABLE OF CONTENTS WHAT IS NITR OUS OXID E? .......................................................................................................4 Do’s and Don’ts of Nitrous Oxide..............................................................................................4 Chapter 1 Introduction to your NOS Nitrous Oxide Kit ................. ...
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Holley 02121NOS - page 4
WHAT IS NITROUS OXIDE? NITROUS OXIDE… …Is a cryogenic gas composed of nitroge n and oxygen molecul es …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; it s common use is dental and veter inary anesthesia. It ...
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Holley 02121NOS - page 5
These kits have been design ed for safety and smoothness of operation. Nitrous oxide i s injected into the engine only when the following conditions are met: Bottle valve is opened. System is armed. Engine is at wide-open throttle. RPM conditions are met. Horsepower and torque increas es due to these kits will vary with engine dis p ...
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Holley 02121NOS - page 6
1.3 Kit Components Before beginning the install ation of your NOS kit, compare the components in your kit with those shown in Figure 1 an d listed i n Table 2. If any components are missing, p lease contact NOS Technical Support at 1-866-GOHOLLE Y. Table 2 NOS 2005 Mustang 02121NOS Pa rts List Item Description Quantity NOS P/N (1) Bottle Nut Adapte ...
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Holley 02121NOS - page 7
Figure 1 Kit #02121NOS We t Kit Components Chapter 2 Kit Installation 2.1 Bottle Mounting Instructions NOTE: Disconnect the batter y ground before beginning insta llation. 2.1.1 Street Vehicles Accurate calibration of your NOS nitrous s ystem depends on the bottle remaining at a stable temper ature. Mount the bottle away from heat sources, such as ...
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Holley 02121NOS - page 8
Figure 2 Nitrous Bottle Siph on Tube Orientation Figure 3 Nitrous Bottle Mount ing Orientations 2.2 Bottle Orientation Bottle placement is critical to the performance of your NOS nitr ous system. It is important to understand ho w the bottle valve and siphon tube are assembled to prop erly orient the bottle in your vehicl e and ensure that it picks ...
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Holley 02121NOS - page 9
Figure 4 Exploded View of Kit #02121NO S Wet NOS System 1. Install the bottle nut adapter (1) and Teflon washer (2) on the nitrous bottle (3). Tighten securel y. 2. Loosely install the bottle mounting brackets (4 & 5) on the nitrous b ottle, as shown in Figure 3E. 3. Locate the bottle/bracket assembly in the desired mountin g location, ensuring ...
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Holley 02121NOS - page 10
2. Install the Soft Plume Nozzle (22), taking into account the length of the nitr ous and fuel supply hoses a nd the intended location of the solenoids. Take into a ccount that the nozz le mounti ng bung (21) needs to be restraine d during final installation, and accessibility of a tool is important. Make sure the nozzle and fee d lines will not in ...
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Holley 02121NOS - page 11
Figure 6 Mount the solenoid assembly to the dr iver’s s ide foremost valve cover bolt. See Figure 6 . Ensure that the assemb ly and lines do not interfere with engine accessorie s or body parts, and that hoses reach the Soft Plume nozzl e inlet ports without being stretched or kinked. 8. 9. Securely mount the solenoid assembly. 2.6 Solenoid / Sof ...
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Holley 02121NOS - page 12
2. Install the 4AN fitting (12) into the injector block with Teflon paste, while secured in a soft jaw vise. Tighten securely. See Figure 9. WARNING! Do not tighten fittings whil e installed on the fuel rail. Insta ll these while secured in a soft jaw vise. 3. Thread the 90° end of the 6” 4AN hose into the fitting in th e injector block (hand ti ...
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Holley 02121NOS - page 13
Figure 12 Electric Wiring Schematic 2.9 Electrical System Installation (WOT/Window S w itch) Refer to Figure 12 and the procedures in this se ction for electrical system installation. WARNING! Death or injury may occur from w orking on a charged electrical system. 1. Disconnect the car battery at the ground cable (if not already done). 2. Install t ...
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Holley 02121NOS - page 14
Components Figure 13 Snap in rocker switch es & use backing plate with purge switch. Installed Figure 14 Figure 15 Hand tighten the purge switch. Installation complete Figure 16 Fig ure 17 4. Install the wiring relay and rel ay harness in the engine compar tment near the battery. The relay’s orang e wire should reach the battery (+) terminal. ...
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Holley 02121NOS - page 15
Coil #3 is closest to the firewall. Coil #1 is closest to the radiator. Figure 18 Figure 19 11. Connect the bro wn / yellow striped wire on the WOT/W indow Sw itch to the green / white striped wire of coil #3 (cylinder 3) on the car. See Figure 19. 12. Connect the black wire of the W OT/Window Switch to a ground. 13. Connect the ye llow / white str ...
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Holley 02121NOS - page 16
2.10 WOT/Windo w Switch Troubleshooting- Veri fying the operation of the NOS WOT/Window Switch NOTE: NOS highly recommen ds that the user NOT ch ange the factory WOT/W indow Switch settings. The WOT/Window Switch should be set at the - 300 0 rpm (low) and 6000 rpm (high) - default settings. With the NOS WOT/Window Switch, th ese values are adjustab ...
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Holley 02121NOS - page 17
Chapter 3 Routine Maintenance 3.1 Nitrous Solenoid Filter When nitrous bottles are refilled they can bec ome contaminated with debris, if the refiller does n ot have an adequate filter in their transfer pump mechanism. Contaminants in the bottle will ev entually become lodged in the nitrous solenoid filt er fitting . You should periodical ly (after ...
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Holley 02121NOS - page 18
Figure 23 Exploded View of a Ty pical Solenoid Appendix A Troubleshooting Guide The troubleshooting chart on the foll owing pages should hel p det ermine and rectif y most problems with your installed NOS system. If you still need assistance determining or fixin g pr oblems, call the NOS Technical Support at 1-866-GOHOLLEY. PROBLEM POSSIBLE CAUSES ...
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Holley 02121NOS - page 19
Mismatched N 2 O/fuel jetting. Compare jetting to recommended values. Install correct jets. Excessive fuel pressure. Install fuel pressure gauge, such as NOS P/N 15906NOS, in the fuel line. Measure the pressure during acceleration with the system activated. Regulate pressure down, or install smaller fuel jetting. Loose nitrous solenoid wiri ng. Ins ...
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Holley 02121NOS - page 20
Nitrous Oxide Accessories NOS systems are calibrated for optimum pe rformance with a bottle pressu re of 900-950 psi. The pressure will change with temperature. Heater kits are thermost atically controlled to keep the bottle near 85° F to provide correct pressure. Bottle Heater (P/N 14164NOS) is available for 10 & 15 l b. bottles. Insulating t ...
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