Edelbrock 70403 Installation Manual Download Page 8

Page 8 of 22

Catalog #70403
Brochure No. 63-0147

©2003 Edelbrock Corporation

Rev. 1/03

2.0

Performer EFI System Installation

2.1

Nitrous Bottle Mounting

The nitrous oxide storage cylinder is typically called a “nitrous bottle”. It is an aluminum cylinder, designed and
manufactured to withstand very high pressures. The valve on top of the bottle is a high-flow design that allows
easy opening and closing which controls the nitrous flow to the engine compartment.

Accurate calibration of your nitrous system depends on the bottle remaining at a stable temperature. In vehicles
(such as Corvettes) where the bottle must be mounted in an area subject to direct sunlight, it is suggested that the
bottle be shielded with a bottle blanket.

If the bottle is mounted inside the passenger compartment or in a space that has access to the passenger
compartment such as hatchbacks or vehicles that feature fold down rear seats, the pressure relief device (PRD
valve) must be vented externally from the cockpit. This procedure will prevent the passenger compartment from
filling with a cloud of nitrous oxide, should the safety pressure relief valve rupture. For more information, please
contact the tech line.

Special consideration should be made to protect the bottle installation by not placing the bottle in a
known crumple or crash zone within the vehicle.  At no time should the bottle be mounted within the
seating area of the passenger compartment of a street-driven vehicle.

Here is the Performer Bottle Valve. Installed on all bottle valves used
in Edelbrock Nitrous Systems, is a Pressure Relief Device 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 the bottle. Unsafe bottle
pressure is caused by over filling or elevated bottle temperatures.

There are two types of PRD’s. Internal piping and external piping.
Internal requires no additional parts. The external type requires a
safety blowdown tube designed to route the gas, if the PRD happens to
rupture, to the outside of vehicle. The internal type is design to vent
directly off the bottle into the atmosphere.

It is illegal to tamper with or remove this device

.

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.

3.

Do not

strike the surface of your nitrous bottle with a heavy or sharp object.

4.

Do not

drop your nitrous bottle.

5.

Do not

attempt to grind off or destroy any imprinted markings on the face of the bottle.

6.

Do not

remove, modify or otherwise tamper with the safety valve on the bottle valve.

7.

Do not 

attempt to use a bottle that has been damaged or tampered with.

Racing Vehicles

Before you mount a nitrous bottle in a vehicle intended for use in racing or sanctioned events, check with the sanctioning
association or local racetrack for any rules regarding bottle installation. Most associations require the bottle be mounted
within the confines of the safety roll cage, with the safety pressure relief cap vented away from the driver’s compartment.

Performer Bottle Valve

Pressure Relief

Device (PRD)

660 High Flow

Nitrous Exit

Summary of Contents for 70403

Page 1: ...ng Instructions 9 2 3 Nitrous Bottle Orientation 9 2 4 Nitrous Bottle Installation 10 2 5 Nitrous Feed Line Mounting 11 2 6 Solenoid Mounting 11 2 7 Nitrous Spray Nozzle Installation 12 2 8 EFI Vacuum...

Page 2: ...by such use Edelbrock 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 Edelbro...

Page 3: ...rewdrivers Pliers Bench vise Wire crimping pliers wire strippers Floor jack Vehicle jackstands Safety glasses Power Tools Power drill Drill bits 1 4 1 2 and 3 8 You should understand the following ski...

Page 4: ...e 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 Nitrous Oxid...

Page 5: ...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 size...

Page 6: ...l Quality Because Nitrous Oxide is an oxidizer fuel selection is critical Both octane and fuel consistency affect fuel burn rate The oxidizer quality of nitrous oxide will accelerate the burn rate so...

Page 7: ...lter 4AN x 1 8 NPT straight fitting blue 1 3AN x 1 8 NPT straight fitting blue 1 Swivel adapter 1 8 NPT female x 4AN female 1 12 3AN Line Blue 1 1 8 NPT pipe nipple 1 3 ft Vacuum hose 1 50 psi Nitrous...

Page 8: ...Device 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 pressurizat...

Page 9: ...es are assembled 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...

Page 10: ...y practices involved in working on a vehicle from under the vehicle and verify that there are no fuel lines fuel tank s brake lines emissions equipment or structural members in the way of potential mo...

Page 11: ...with minimal clearance Please look at the photo on the next page of a typical solenoid mounting location and adapt your bracket according to the needs of your particular application 2 6 2 Nitrous Sole...

Page 12: ...Modifications performed to a solenoid bracket depend on many factors When mounting the solenoid regulator assembly on the vehicle considerations should be taken regarding any potential interference w...

Page 13: ...on the EFI Vacuum Tee Cut vacuum line and install 2 9 Fuel Pressure Safety Switch Installation 1 Locate fuel rail test port fitting 2 Make sure the vehicle s engine is cool release pressure in fuel s...

Page 14: ...Stud Nylon insulated 187 15 2 ea 18 22g female spade connector Nylon insulated 16 1 ea 15 amp ATO blade fuse 3 1 Nitrous Electrical Kit Contents 3 0 Electrical System Installation Important The wirin...

Page 15: ...ID FUEL PRESSURE SAFETY SWITCH WARNING DO NOT CONNECT TO THIS TERMINAL MICROSWITCH RED WHITE BLACK BLUE RED SUPPLY 12v ON ACC GROUND 12 16 11 7 8 11 13 14 9 10 13 2 3 4 1 13 15 13 5 6 2 2 2 2 2002 Ede...

Page 16: ...es 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 harn...

Page 17: ...uded with the switch for applications that require special spacing during installation 3 7 Microswitch Installation and Wiring The function of your microswitch is to enable your nitrous system It shou...

Page 18: ...he needs of your particular application The microswitch bracket is drilled to allow many different switch mounting positions This flexibility allows the microswitch to be positioned in such a manner t...

Page 19: ...he installation of you Edelbrock Nitrous System 6 0 Solenoid Inspection and Maintenance 1 Close valve on nitrous bottle 2 Make sure all nitrous supply lines are free of pressure before removal of any...

Page 20: ...itrous bottle valve not fully opened a Check bottle valve b Open valve fully 2 Nitrous bottle mounted improperly a Mount bottle properly Refer to Nitrous Bottle Mounting section 3 Plugged nitrous filt...

Page 21: ...ce temperature d Check bottle valve 1 Open valve fully e Check bottle orientation Refer to Bottle Mounting Orientation section 1 Mount bottle properly 7 Incorrect nitrous jetting a Compare jetting to...

Page 22: ...jet b Check bottle temperature and pressure 1 Ensure before every nitrous usage that you only use nitrous when the temperature and pressure of your bottle are correct Symptom 5 Vehicle surges under ac...

Reviews: