Table of Contents
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Edelbrock General Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Before You Install Your Edelbrock Nitrous System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
What is Nitrous Oxide? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety Tips for Working with Nitrous Oxide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.0
Introduction to the Edelbrock Nitrous Systems Kit
1.1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2
Jet Map Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3
Engine Operation Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.4
2002-2004 Subaru WRX Nitrous System Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.0
2.1
Nitrous Bottle Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2
Bottle Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3
Nitrous Bottle Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.4
Nitrous Feed Line Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5
Solenoid Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.6
Nozzle Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.7
Fuel Line Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.8
Fuel System Leak Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.0
3.1
Nitrous Electrical Components Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.2
Nitrous Electrical System Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.3
Nitrous Electrical System Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.4
Nitrous Relay and Fuse Holder Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.5
Arming Switch and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.6
Microswitch Installation and Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.7
Final Electrical Installation Recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.0
4.1
Fuel System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2
Nitrous System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.0
Solenoid Inspection and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.0
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-22
Catalog #71003
Brochure #63-0261
2002-2004 Subaru WRX Nitrous System
Catalog #71003
Table of Contents
Page 1 of 22
Page #
©2004 Edelbrock Corporation
Rev. 3/04 - DC/mc
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Summary of Contents for Edelbrock 71003
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Page 1: Table Of Contents
Before You Install Your Edelbrock Nitrous System ........ -
Page 2: Edelbrock General Warranty
Our warranty service and repair facility is located at 2700 California Street, Torrance, California 90503. Customers who believe they have a defective product should either return it to the dealer from which it was purchased or ship it directly to Edelbrock along with proof of purchase and a complete description of the problem. -
Page 3: Before You Install Your Edelbrock Nitrous System
❑ Proper measuring techniques ❑ Proper electrical assembly techniques ❑ Basic engine operation and tuning techniques ℡ ℡ Anytime you have questions or concerns with your Edelbrock Nitrous System, please call our Catalog #71003 Brochure #63-0261 Caution!! Technical Support Hotline at 1-800-416-8628 before you start your engine. -
Page 4: What Is Nitrous Oxide
Tighten the nitrous line to the bottle. g. Slowly open the nitrous bottle valve, listening for leaks. h. Perform leak checks on all affected fittings and the bottle fitting. Catalog #71003 Brochure #63-0261 Page 4 of 22 ©2004 Edelbrock Corporation... -
Page 5: General Information
Introduction to your 2002-2004 Subaru WRX Nitrous System Within the pages of this manual is information, safety tips and operation instructions for your new Edelbrock Nitrous System. Watch for these symbols to know where to go for information. ….There is safety related information here. -
Page 6: Jet Map Information
Jet Map Information delbrock Engineering has conducted dyno testing with the Edelbrock 2002-2004 Subaru WRX Nitrous System to ensure the horsepower increase with the nitrous system is as intended. On a typically stock 2.0L engine, you can expect the following approximate power gain: Nitrous Jetting .034... -
Page 7: 2002-2004 Subaru Wrx Nitrous System Bill Of Materials
Edelbrock 2002-2004 Subaru WRX Nitrous System BOM Qty. Description Nozzle and Nozzle Hardware 1 ea. E1 Nozzle 1 ea. E1 Nozzle Bulkhead Body Bolt 1 ea. E1 Nozzle Bulkhead Concave Nut Solenoids and Solenoid Hardware 1 ea. Performer Nitrous Solenoid 1 ea. -
Page 8: Nitrous System Installation
Device (PRD) Bottle Safety Information 1. Do not attempt to remove the bottle valve. Please return your bottle to Edelbrock if service is required to the siphon tube inside the bottle or the bottle valve itself. 2. Never heat the outside of your nitrous bottle with an open flame like that of a torch. -
Page 9: Bottle Orientation
An Edelbrock nitrous bottle cannot be mounted upside-down. Edelbrock does not offer a non-siphon tube bottle for automotive use. If the bottle must be mounted parallel to the axles of the vehicle (sideways), the label must be angled at approximately 45 degrees toward the front of the vehicle. -
Page 10: Nitrous Bottle Installation
2.3.3 Nitrous Bottle Installations For Vehicles With Hatchbacks Or Trunk Areas That Are Connected With The Passenger Compartment. Please contact Edelbrock Technical Hotline at: (800) 416-8628 for more information. Catalog #71003 Brochure #63-0261 Shown here is a bottle with a bottle bracket properly installed with the rubber insulator. -
Page 11: Nitrous Feed Line Mounting
2. These solenoid brackets can be modified to clear almost any potential interference in the engine compartment. Please look at the photos and potential solenoid mounting locations and adapt your brackets according to the needs of your particular application. Catalog #71003 Brochure #63-0261 Pictured above is an unmodified... -
Page 12: Nozzle Installation
1/8”-27 NPT tap to tap the hole to the proper depth. Refer to the diagram on the following page to check for the proper nozzle depth. Install the nozzle mounting nut and collar into the inlet pipe. Catalog #71003 Brochure #63-0261 Page 12 of 22 ©2004 Edelbrock Corporation... - Page 13 If the depth is incorrect, use a 1/8”-27 NPT tap to acheive the correct depth. In these cases, use Edelbrock Nozzle Installation Page 13 of 22 Correct Nozzle Depth...
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Page 14: Fuel Line Installation
If any leaks are found, promptly correct the problem, and perform the checks again before starting the vehicle. Catalog #71003 Brochure #63-0261 Page 14 of 22 ©2004 Edelbrock Corporation... -
Page 15: Electrical System Installation
Important: The wiring hardware and instructions included with this kit are intended for 12-volt electrical systems only. Before attempting to wire your Edelbrock Performer nitrous oxide system, examine and follow the wiring diagram on the following page. Please call the Edelbrock Technical department with any questions concerning electrical wiring. -
Page 17: Nitrous Electrical System Installation Procedures
The wire harness attached to the relay and fuse holder includes 8 feet of color-coded wires to make the electrical system installation for your Edelbrock Nitrous System as easy as possible. We recommend that you do not cut any lengths of wires from the wire harness or complete the wiring of the nitrous system until all of the mechanical components are securely mounted in their permanent locations. -
Page 18: Arming Switch And Installation
This is a picture of an un-modified and “ready to install” microswitch assembly. The microswitch bracket has several mounting positions available for clocking of the switch. It also is of a universal length and can be attached to several positions on and around the throttle body. Catalog #71003 Brochure #63-0261 Page 18 of 22 ©2004 Edelbrock Corporation... -
Page 19: Final Electrical Installation Recommendations
2. Double Check the wires that lead from the microswitch to ensure that they do not interfere with the operation of the throttle body linkage. YOU ARE NOW READY TO HOOK UP YOUR BATTERY AND PREPARE YOUR VEHICLE TO RUN. Catalog #71003 Brochure #63-0261 This Page 19 of 22 ©2004 Edelbrock Corporation... -
Page 20: Before You Run Your Vehicle Using Your Edelbrock Nitrous System
Before You Run Your Vehicle Using Your Edelbrock Nitrous System You have just completed the installation of your Edelbrock Nitrous System. It is time to perform some basic system checks to ensure all of the work you have done is correct and ready to operate properly. The following procedure is designed to... -
Page 21: Troubleshooting And Routine Maintenance
5. Malfunctioning microswitch. a. Turn arming toggle “off”. Open (lever is not being activated) throttle microswitch, check for continuity between microswitch wiring terminals. If continuity is present, replace microswitch. Catalog #71003 Brochure #63-0261 Page 21 of 22 ©2004 Edelbrock Corporation... - Page 22 Open valve fully d. Check bottle orientation. See section entitled 2.3 Nitrous Bottle Orientation . 2. Check bottle mounting. Be sure bottle is mounted correctly. See section entitled 2.1 Nitrous Bottle Mounting . Catalog #71003 Brochure #63-0261 Page 22 of 22 ©2004 Edelbrock Corporation...
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