Edelbrock 70003 Installation Manual Download Page 5

©2004 Edelbrock Corporation
Brochure No. 63-0190 - DC/mc

Rev. 03/04

Catalog #70003 & #70004

Page 5 of 28

1.0

Introduction to your Edelbrock 2-Stage Performer RPM 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.

….shows where technical information about your vehicle or specific skills that may help during 

installation.

….call Edelbrock Technical support hotline for more information.

1.1

General Information

The Edelbrock 2-Stage Performer RPM Nitrous System (Part Number 70003 and 70004) is intended for
use on domestic style V-8 engines using single square-flange 4 bbl. carburetors (Part Number 70003),
and Spread-bore 4 bbl. carburetors (Part Number 70004).

Horsepower and torque increases can vary with

equipment upgrades and modifications.

These types of systems utilize an adjustable plate that seats in between the carburetor and the carburetor mounting
flange on the intake manifold. The adjustability comes from the ability of the plate to accept different orifice-sized
jets. The plate has y-shaped jet fittings at opposite ends of the plate that control the amount of nitrous oxide and
fuel flow into the engine.

This system has been designed with some flexibility as to where certain components can be located to allow easy
installation on vehicles with upgraded or modified equipment. The solenoid and microswitch brackets are designed
to be manipulated (bent, cut, twisted, etc.) and the electrical components have properly sized and ample lengths of
wire.

Contact your local automotive store, motorcycle shop or race track for refilling of your bottle. Trust a professional
to properly fill your bottle and reference your installation manual when re-installing your filled bottle back into your
vehicle.

Always take care when handling a full bottle of nitrous oxide. Please reference this manual for further safety
measures to take during the handling of a nitrous oxide bottle.

Please follow all safety methods during the installation of your Edelbrock Nitrous System, and follow all vehicle
regulations and road laws when using your nitrous system.

Summary of Contents for 70003

Page 1: ...nting 12 2 5 Solenoid Assembly 12 2 6 Mounting Your Solenoids 13 14 2 7 Fuel and Nitrous Y Fittings Installation 14 2 8 Nitrous Injection Plate Installation 15 2 9 Jet and Plumbing Installation 15 3 0...

Page 2: ...Corporation assumes no responsibility for damages incurred by the use of products manufactured or sold by Edelbrock Corporation on vehicles used for competition or racing Edelbrock General Warranty It...

Page 3: ...strippers Floor jack Measuring tape and placement markers Vehicle jackstands Safety glasses Timing light Power Tools Power drill Drill bits You should understand the following skills Power tool safety...

Page 4: ...and sore nasal passages Nytrous Plus was specifically created for automotive applications and is available for sale to the public at many speed shops across the USA Safety Steps For Working With Nitro...

Page 5: ...carburetor mounting flange on the intake manifold The adjustability comes from the ability of the plate to accept different orifice sized jets The plate has y shaped jet fittings at opposite ends of...

Page 6: ...and open plenum intake manifolds were tested to ensure validity of jet maps for each horsepower setting Modifications included Edelbrock intake manifolds Edelbrock aluminums heads dyno headers and imp...

Page 7: ...ch recommended for the higher horsepower settings Performer RPM System Monitoring Requirements Fuel pressure and nitrous pressure gauges are very important Your fuel pressure must be set properly and...

Page 8: ...AN x 1 4 NPT Fitting Blue 2 ea 4AN x 1 8 NPT Fitting Blue 1 ea 3AN x 1 8 NPT Fitting Blue 1 ea 4AN x 1 4 NPT Fitting Red 2 ea 4AN x 1 8 NPT Fitting Red 1 ea 3AN x 1 8 NPT Fitting Red 1 ea 4AN Y Fittin...

Page 9: ...or PRD It is a safety valve designed to vent the contents of the bottle into the atmosphere in case of a catastrophic event like a collision It is also installed to prevent the over pressurization of...

Page 10: ...sembled so that the bottom of the siphon tube is at the bottom of the bottle opposite the bottle label An Edelbrock nitrous bottle cannot be mounted upside down Edelbrock does not offer a non siphon t...

Page 11: ...nstall the bottle mounting brackets using Grade 8 bolts nuts and flat washers not included with kit Use fender washer underneath the vehicle for sheet metal mounting 10 Tighten the mounting bolts usin...

Page 12: ...components 2 Trial fit the solenoids with all lines attached to ensure a proper fit 3 Solenoids may be mounted sideways or upside down if necessary 2 5 1 Performer RPM Solenoid Assembly 1 Hold the Per...

Page 13: ...brackets both Performer and Performer RPM solenoid mounting screws you will find eight screws four of which are for the Performer Brackets and Solenoids 8 x 32 UNC x 5 16 and four for the Performer R...

Page 14: ...of one of the supplied 4AN 12 inch red hoses to the inlet of the Performer Fuel Solenoid Connect the remaining end of this hose to the supplied 4AN red Y Fitting 3 Connect one end of the remaining 4AN...

Page 15: ...e Every precaution has been taken to ensure the cleanliness of our components during the assembly of your Edelbrock Nitrous System However because of the importance of the jets and the calibration ext...

Page 16: ...vehicle It is also good practice to have a book that specializes on the specialized techniques required when working with vehicular electrical systems 3 0 Electrical System Installation Item Quantity...

Page 17: ...2004 Edelbrock Corporation Brochure No 63 0190 DC mc Rev 03 04 Page 17 of 28 3 2 Nitrous Electrical System Wiring Diagram...

Page 18: ...relay and fuse holder secure them with fasteners not included with kit such as sheet metal screws bolts and nuts etc Allow for some slack in the red wire that connects the relay and fuse holders toget...

Page 19: ...a collar included with the switch for applications that require special spacing during installation 3 6 Microswitch Installation and Wiring The function of your microswitch is to enable your nitrous...

Page 20: ...interference around the throttle linkage The microswitch bracket supplied is drilled to permit many different switch mounting positions This flexibility allows for the microswitch to be positioned in...

Page 21: ...are completely empty of ANY nitrous Raise the engine speed to above 2000 RPM Briefly depress the activation arm on microswitch which will open the fuel and nitrous solenoids Listen for a loud click o...

Page 22: ...n 7 psi of fuel pressure when it is activated to the fuel solenoid you would have a rich condition The jet map provided for your 2 Stage Performer RPM nitrous system is purposely rich or biased to the...

Page 23: ...nitrous and reduce total timing from there Use an initial timing retard setting that is at least 2 4 degrees more retarded than you expect to be the best setting for your application All stated timing...

Page 24: ...enoid stem damage to the stem will result 7 Carefully remove the stem spring and plunger from the solenoid base paying close attention to the way they are assembled 8 Examine the plunger seal for swel...

Page 25: ...i Replace clean filter 3 Malfunctioning fuel solenoid a Turn arming switch on engine off Activate microswitch listen for the solenoids to click If no click is heard i Repair Replace solenoid ii Check...

Page 26: ...itch wiring terminals i Replace microswitch 6 Inadequate nitrous supply a Weigh bottle i Bottle should be 10 lbs above empty bottle weight listed on bottle label when full b Check bottle temperature i...

Page 27: ...erature and pressure i Ensure before every nitrous usage that you only use nitrous when the temperature and pressure of your bottle are correct Symptom 6 Engine detonates heavily when system is activa...

Page 28: ...ration when system is activated 1 Inadequate nitrous supply a Weigh bottle i Bottle should be 10 lbs above empty bottle weight listed on bottle label when full b Check bottle temperature i Maintain 80...

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