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2003 FORD MUSTANG COBRA SVT NITROUS SYSTEM
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
Performer EFI 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
Nitrous Spray Nozzle Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.7
Fuel Pressure Safety Switch Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.8
Fuel Pressure Booster Line Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.0
3.1
Nitrous Electrical Components Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2
Nitrous Electrical System Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3
Nitrous Electrical System Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.4
Nitrous Relay and Fuse Holder Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.5
Arming Switch and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.6
Microswitch Installation and Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-18
3.7
Final Electrical Installation Recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.0
4.1
Fuel System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2
Nitrous System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Solenoid Inspection and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.0
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-23
6.0
©2003 Edelbrock Corporation
Brochure No. 63-0148
Catalog #70404
Table of Contents
Page 1 of 23
Page #
Rev. 2/03
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Summary of Contents for Edelbrock 70404
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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
Basic engine operation and tuning techniques which include: -Fuel pressure measurement techniques -Timing adjustment techniques ℡ Anytime you have questions or concerns with your Edelbrock Nitrous System, please call our ©2003 Edelbrock Corporation Brochure No. 63-0148 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. ©2003 Edelbrock Corporation Brochure No. 63-0148 ® tape as sealant on fitting connections. Use only Teflon Page 4 of 23 ®... -
Page 5: General Information
Introduction to your Edelbrock Ford Mustang Cobra SVT Performer EFI 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. -
Page 6: Jet Map Information
Nitrous Jetting Fuel Jetting .032 .036 The dyno tests were conducted at Edelbrock using a stock 4.6L supercharged Cobra engine. These tests were conducted with 950 psi nitrous bottle pressure. Engine Operation Considerations When used correctly, nitrous oxide safely elevates cylinder pressures and temperatures while increasing combustion rate. -
Page 7: Performer Efi Nitrous System Bill Of Materials
1 ea 1/8 NPT to Fuel Jet Adapter 1 ea Tube nut and insert 1 ea 1/16 NPT Pipe Tap 3 ft. Vacuum Line ©2003 Edelbrock Corporation Brochure No. 63-0148 Qty. Description Jets 2 ea. Jet .032 1 ea Jet .036 Fuel Pressure Safety Switch and Hardware 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 for more information. ©2003 Edelbrock Corporation Brochure No. 63-0148 Shown here is a bottle with a bottle bracket properly installed with the rubber insulator. -
Page 11: Nitrous Feed Line Mounting
13. Leave all wiring loose for electrical systems installation. 14. Connect the main nitrous feed line to the inlet fitting (4AN X 1/8 NPT nitrous filter fitting) of the first nitrous solenoid. ©2003 Edelbrock Corporation Brochure No. 63-0148 ® paste only on pipe threads. Do not use Teflon ®... -
Page 12: Nitrous Spray Nozzle Installation
These applications will require a “Banjo Nut” at the fuel filter to be drilled and tapped to allow mounting of the safety switch. ©2003 Edelbrock Corporation Brochure No. 63-0148 Shown to the far left is a layout of the solenoid assembly with all of the components that are required for this procedure. -
Page 13: Fuel Pressure Booster Line Installation
Install the .032” fuel jet in the jet adapter that you previously installed on the nitrous regulator. Connect the nut that you just installed on the vacuum line to the jet fitting with the fuel jet in place. ©2003 Edelbrock Corporation Brochure No. 63-0148 Page 13 of 23 Rev. -
Page 14: 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 16: 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 17: Arming Switch And Installation
It also is of a universal length and can be attached to several positions on and around the throttle body. ©2003 Edelbrock Corporation Brochure No. 63-0148 Page 17 of 23... -
Page 18: Microswitch Installation And Wiring
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. ©2003 Edelbrock Corporation Brochure No. 63-0148 This Page 18 of 23 Rev. -
Page 19: 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 20: Solenoid Inspection And Maintenance
Remove any contaminants that may be present. Make sure solenoid body is clean, dry and free of oils before assembly. 10. Replace the O-Ring, plunger and piston spring. 11. Re-assemble solenoid by reversing disassembly procedure. ©2003 Edelbrock Corporation Brochure No. 63-0148 Page 20 of 23 Rev. 2/03... -
Page 21: Troubleshooting Guide
Troubleshooting Your Edelbrock Nitrous System How to use our Troubleshooting Flowchart: The troubleshooting of a nitrous system is basic and straightforward. The symptom chart is divided by symptom, cause and action required. Determine your problem (symptom), identify the potential problem (cause) and correct the problem (action required). - Page 22 Consult a book concerning proper wiring methods. 10. Malfunctioning nitrous solenoid. a. Inspect solenoid wiring. See “3.0 Electrical System Installation” section. Repair wiring. b. Inspect solenoid. See symptom #2. Rebuild/replace solenoid. ©2003 Edelbrock Corporation Brochure No. 63-0148 Page 22 of 23 Rev. 2/03...
- Page 23 Bottle should be 10 lbs. above empty bottle weight listed on bottle label when full. b. Check bottle temperature. Maintain 80 to 85 degrees of bottle surface temperature. c. Check bottle valve. Open valve fully d. Check bottle orientation. Mount bottle properly. ©2003 Edelbrock Corporation Brochure No. 63-0148 Page 23 of 23 Rev. 2/03...