Edelbrock 70050 Bedienungsanleitung

EDELBROCK NITROUS SYSTEMS

PERFORMER RPM SERIES NITROUS SYSTEM

This instruction manual supports the following Kit Part Numbers:

Performer RPM Nitrous Systems #70050, #70051, and #70053

Thank You….

…for purchasing an Edelbrock Nitrous Oxide Injection System.

Nitrous Oxide injection is one of the most exciting performance enhancements for the dollar invested on

the market today. With the use of nitrous oxide come some important safety considerations. This

manual has been written to help you during the installation and use of your Edelbrock Nitrous System.

Please read it completely before you install and use your system. Please pay close attention to the

safety information at the beginning of each section. The information contained there specifically pertains

to each of the components and installation methodologies within the section.

Please take the time to read and understand the following….

By installing your Edelbrock Nitrous System, you indicate you have read this document and you agree

with the terms stated below.

It is the responsibility of the purchaser to follow all installation instruction guidelines and safety

procedures supplied with the Edelbrock Nitrous Systems. It is also the responsibility of the purchaser to

determine the compatibility of the product with the vehicle or the device on which the purchaser intends

to install it.

Edelbrock Corporation assumes no responsibility for damages occurring from misuse, abuse, improper

installation, improper operation, lack of responsible care, or all previously stated reasons resulting from

incompatibility with other manufacturers products and/or systems.

Edelbrock Corporation neither recommends nor condones the use of products manufactured or sold by

Edelbrock Corporation for use on vehicles, which may be driven on public roads or highways, and

assumes no responsibility for damages incurred by such use.

Edelbrock Corporation assumes no responsibility for damages incurred by the use of products

manufactured or sold by Edelbrock Nitrous Systems on vehicles used for competition or racing.

Before You Install Your Edelbrock

Nitrous System…

Please read this Installation manual fully before installing this system.

You will need to have available the following tools:

Hand Tools

Socket set including ratchets and extensions

Screwdrivers

Pliers

Bench vise

Wire crimping pliers, wire strippers

Floor jack

Vehicle jack stands

Measuring tape and placement markers

Timing light

Fuel pressure measurement gauge

Safety glasses

Power Tools

Power drill

Drill bits

You should understand the following skills:

Power tool safety procedures

Undercar safety procedures

Proper measuring techniques

Proper electrical assembly techniques

Basic engine operation and tuning techniques which include:

- Fuel pressure measurement techniques

- Timing adjustment techniques

Caution!!

WHAT IS NITROUS OXIDE?

Nitrous Oxide is a cryogenic gas composed of nitrogen and oxygen molecules. It is stored as a “gas

over a liquid” which means that both liquid and gaseous nitrous oxide is delivered into your engine. It is

36% oxygen by weight, which is what produces the added horsepower. By injecting more oxygen (and

a corresponding fuel signal), we create the additional power the same way a supercharger or a

turbocharger does.

Nitrous Oxide is considered an “oxidizer” and not a fuel. Therefore, nitrous oxide is non-flammable by

itself. Because nitrous oxide is a cryogenic, the same safety methods in handling dry ice apply to

nitrous. Direct contact with the skin will cause a burn similar to contact with dry ice. The exception in

using nitrous oxide comes from increased breathing hazards associated with the gaseous properties of

nitrous oxide.

Nitrous Oxide is offered for sale in two common grades, which are U.S.P., and Nytrous Plus U.S.P.

nitrous oxide is medical grade nitrous oxide. Its common use is dental and veterinary anesthesia as well

as use as a propellant in food such as canned whip cream. U.S.P. is not available to the public and

would provide no advantage in the making of horsepower over the automotive grade nitrous oxide.

Nytrous Plus was specifically designed for automotive consumption and differs from U.S.P. in that it

contains trace amounts of sulfur dioxide (100 parts per million or “PPM”) added to prevent substance

abuse. The Sulfur Dioxide is an irritant to all of your breathing passageways and will create sore throats

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 Nitrous Oxide

1. Never inhale Nytrous Plus (Nitrous oxide (N2O) for vehicular use) as continued exposure can

cause death. Nytrous Plus has a maximum of 100 parts per million (ppm) of sulfur dioxide and

will cause irritation to nose and throat passageways.

2. When working around any high-pressure gas including nitrous oxide, take all precautions to

ensure that exposure to nitrous oxide is minimized.

3. Do not vent nitrous oxide to atmosphere in confined spaces. Only vent nitrous oxide in

well-ventilated and open areas.

4. Liquid nitrous oxide can cause burns to human flesh so protect all skin in and around your

hands, arms and face. Wear safety glasses and rubber gloves to protect from liquid nitrous

oxide splatter.

5. When venting down the nitrous system, vent the line down closest to the nitrous bottle.

6. Do not use any form of Teflon tape as sealant on fitting connections. Use only Teflon paste.

7. When washing components, ensure the clean components are completely dry, free of oils, and

solvents. Failure to remove all liquids could cause component or system failure.

8. Always turn the bottle off before making any repairs to the nitrous delivery system.

9. To safely release nitrous oxide in a pressurized line;

a. Position vehicle in a well-ventilated, unconfined space.

b. Turn bottle off.

c. Slowly turn the nitrous feed line at the bottle open until you hear a light hissing noise.

d. Allow the entire nitrous pressure to vent from the line.

e. Perform your work on the system.

f. Re-attach 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.

1.0 Introduction To Your Edelbrock Performer RPM Nitrous Oxide System

….about this manual!

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 listed here.

.... shows where technical information about your specific vehicle or specific skills will help

during the installation.

1.1 General information

The Edelbrock Performer RPM Nitrous Systems are intended for use on domestic style V-6 and V-8

engines using single square-flange 4 bbl. carburetors (Part Number 70050), spread-bore 4 bbl.

carburetors (Part number 70051), and Dominator-flange carburetors (Part Number 70053). Horsepower

and torque increases can vary with engine displacement and equipment upgrades and modifications.

Approximate power increase estimates can be made based on the mass flow of nitrous oxide into the

engine.

These types of systems utilize an adjustable plate that sandwiches in between the carburetor and the

carburetor mounting pad on the intake manifold. The adjustability comes from the ability of the plate to

accept different orifice-sized jets. The plate has 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 flexibility as to where certain components can be located within the

engine compartment. The electrical components have properly-sized and ample lengths of wire for

some flexibility on where voltage signals are intercepted on the electrical system.

The solenoid and microswitch brackets have a universal shape to allow for adjustability in placement

and location of these components. The solenoids have ample feed line lengths for many different

manifold, air cleaner, carburetor configurations and the microswitch bracket will allow for several

different positions.

This system includes the bottle, bottle feed line and universal footprint steel bottle brackets. The

mounting brackets also include rubber insulators to protect the surface of your nitrous bottle while in the

brackets. When installing your nitrous bottle, pay close attention to the installation instruction for the

location of your bottle. Ensuring the installation of your bottle does not compromise systems that may lie

under the potential location where you plan to drill mounting holes.

Call your local automotive store, motorcycle shop and race track for refilling of your bottle. Trust a

professional to properly fill your bottle and reference this manual when re-installing your new 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.

1.2 Jet Map Information

Edelbrock engineering has conducted dyno testing with the Performer RPM system to provide jetting

maps for the three separate plates at different jetting levels. These jet combinations are supplied with

this system kit to enable you to vary your engine’s power output. On a typical mildly-modified 350 cubic-

inch engine, you can expect the following approximate power gains for each of the jetting levels:

Square-Flange Jet Map

Spread-Bore Jet Map

Dominator-Flange Jet Map

Jet Map Footnotes

The jet map above has footnotes that offer the following instructions and technical information.

1. Use 1 heatrange colder plugs.

2. Use 2 heatrange colder plugs.

3. Use 92 octane pump gasoline or better.

4. Use 110 octane race gasoline or better.

5. Single Plane manifold only. DO NOT use a dual plane manifold at this horsepower level.

6. Advanced tuning required. Suggested timing adjustment is just a guideline. Engine component

modifications may affect timing.

The dyno tests were conducted at Edelbrock using a mildly-modified 350 cubic-inch engine. Both dual-

plane and open-plenum intake manifolds were tested to ensure validity of jetting maps for each

horsepower setting. Modifications included Edelbrock intake manifolds, Edelbrock aluminum heads,

dyno headers, and improved ignition. We also used different grades of fuel and colder plugs during the

testing. All stated timing adjustments listed in jet maps is where the motor being tested worked best.

Final timing should be adjusted to achieve best power and/or MPH per application. See section “5.0

Ignition Timing and Nitrous” for more info on timing selection.

Any variation in jetting patterns other than what is listed above and engine damage could occur. Please

contact the Edelbrock Technical Department with any questions you have concerning jetting patterns

and their effects on engine performance.

Horsepower settings of 200 and 250 are for single plane manifolds only. In testing, we found that dual

plane manifolds have some distribution problems at these super high flowrates that could cause engine

damage. Please contact the Edelbrock Technical department with any questions you have concerning

jetting patterns and their effects on engine performance when using a dual plane manifold.

Approximate HP Gains Nitrous Jet Fuel Jet Timing Adjustment Footnotes

100 57 57 3°-5° Retard 1, 3

150 68 68 5°-7° Retard 1, 3

175 78 78 6°-8° Retard 1, 3

200 85 85 7°-9° Retard 2, 4, 5, 6

250 99 99 9°-11° Retard 2, 4, 5, 6

Approximate HP Gains Nitrous Jet Fuel Jet Timing Adjustment Footnotes

100 59 59 3°-5° Retard 1, 3

150 71 71 5°-7° Retard 1, 3

175 81 81 6°-8° Retard 1, 3

Approximate HP Gains Nitrous Jet Fuel Jet Timing Adjustment Footnotes

100 57 57 3°-5° Retard 1, 3

150 71 71 5°-7° Retard 1, 3

200 85 85 7°-9° Retard 2, 4, 5, 6

250 104 104 9°-11° Retard 2, 4, 5, 6

1.3 Engine Operation Considerations

When used correctly, nitrous oxide safely elevates cylinder pressures and temperatures while increasing

combustion rate. These characteristics make the engine more sensitive to detonation. To ensure

proper performance and engine life, the following tips are suggested:

 Adequate Fuel Pressure and Delivery

When designing your fuel system, plan on your pumps and lines flowing at least 0.1 gallons per hour per

horsepower at rated pressure. The testing at Edelbrock was conducted with a fuel pressure of 6.5 psi.

Any variation from this fuel pressure will cause your final air/fuel ratio to change. Consult our technical

department for any questions on fuel pressure and its effects on final air/fuel ratios when using nitrous

oxide.

 Performer RPM Fuel System Requirements

When using the Performer RPM series kits, the potential horsepower gains are quite high. The critical

area for continued success with your nitrous system lies in the fuel system. In most cases, an auxiliary

fuel supply system will be a required addition to your nitrous system. A high flow electric fuel pump and

high capacity adjustable fuel pressure regulator are both recommended to ensure the fuel flow rate is

enough to ensure proper system operation. The minimum size we recommend for the fuel inlet feed line

is a –6 (3/8” inch), with a size of –8 (1/2” inch) 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 a gauge is the only sure way to monitor system performance. The same is true of the nitrous bottle

pressure. A nitrous pressure gauge is the only way to ensure that your system calibrations are within

the parameters required of your horsepower setting.

 Fuel 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 we recommend a

high quality of gasoline. We also recommend you use the same grade of gasoline every time you use

your nitrous oxide system. This will maintain the same fuel burn rate every time. Please refer to the jet

map footnotes for information on what fuel types and fuel qualities that were used during the testing here

at Edelbrock.

 Engine System Upgrades

With all performance modifications complementary system upgrades will always serve to elevate the

consistency and longevity of an engine, especially when using nitrous oxide as a power adder. Ignition

upgrades, intake manifold upgrades, and fuel controls and fuel pumps can all add to the performance of

a nitrous oxide injected engine.

 Cast Pistons

With all nitrous oxide applications, forged pistons are highly recommended. Because of heightened

potential for detonation, cast pistons are more prone to failure and cannot handle horsepower increases

over 125 hp. Never initiate your nitrous system before you are at full-load, wide-open throttle conditions.

Cast pistons will not be able to survive this kind of stress.

1.4 Performer RPM System Bill of Materials (BOM)

Quantity Description

Plates and Plate Hardware

1 ea Performer RPM Square-flange Plate, 70050 System

1 ea Performer RPM Spread-bore Plate, 70051 System

1 ea Performer RPM Dominator Plate, 70053 System

2 ea Square-flange gaskets, 70050 System

2 ea Spread-bore gaskets, 70051 System

2 ea Dominator gaskets, 70053 System

4 ea Long Carb Studs, 70050 System

4 ea 2 ea Long Carb Studs, 2 ea Long Carb Bolts, 70051 System

4 ea Long Carb Studs, 70053 System

Solenoids and Solenoid Hardware

1 ea Performer RPM Nitrous Solenoid (Black)

1 ea Performer RPM Fuel Solenoid (Red)

2 ea Solenoid Brackets with Screws (4 ea)

1 ea 12” Nitrous Feed Line (Blue), Solenoid to Plate

1 ea 8” Fuel Feed Line (Red), Solenoid to Plate

Fittings

1 ea N2O Filter Fitting, 4AN x 1/8” NPT, Blue

1 ea 6AN x 1/4” NPT Fuel Fitting, Red

1 ea 4 AN x 1/8” NPT Nitrous Fitting, Blue

1 ea 4AN x 1/8” NPT Fuel Fitting, Red

Bottle and Bottle Hardware

1 ea 10 lb. Nitrous Bottle

1 pr Nitrous Bottle Bracket Set, (1 Tall, 1 Short)

1 ea 660 Bottle Nut and Teflon Washer

1 ea 14’ Nitrous feed Line, bottle to solenoid

Electrical System Components

1 ea Electrical Component Package (see page 16 for BOM)

Technical Information

1 ea Performer System Information Packet

1.4 Performer RPM System Bill of Materials (Continuation)

Jets

Performer RPM Square-Flange Jet Pack P/N 70050

Performer RPM Spread-Bore Jet Pack P/N 70051

Performer RPM Square-Flange Jet Pack P/N 70053

2 ea. Jet, #57

2 ea. Jet, #68

2 ea. Jet, #78

2 ea. Jet, #85

2 ea. Jet, #99

2 ea. Jet, #59

2 ea. Jet, #71

2 ea. Jet, #81

2 ea. Jet, #57

2 ea. Jet, #71

2 ea. Jet, #85

2 ea. Jet, #104

2.0 Performer RPM System Installations

2.1 Nitrous Bottle Mounting

The nitrous oxide storage cylinder is typically called a “nitrous bottle”. The “bottle” is not unlike a scuba

tank. 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 close 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.

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.

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 such as 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.

Racing Vehicles

Before using the Edelbrock bottle mounting brackets to mount a nitrous bottle in a vehicle intended for

use in racing or sanctioned events, check with the sanctioning association or local race track 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.

Pressure Relief

Device

(PRD)

660 High Flow

Nitrous Exit

Bottle Valve Handle Pictured The Performer RPM Bottle Valve installed on all the bottle

valves used in Edelbrock Nitrous Systems is a Pressure Relief

Device or “PRD”. It is a safety valve designed to vent the con-

tents of the bottle into the atmosphere in case of a catastrophic

event, such as a collision.

It also serves to prevent the over-pressurization of the bottle

itself. Over pressurization can result from over-filling, exposure

to direct sunlight, or high-temperatures. It can also come from a

violent strike to the bottle surface.

It is illegal to tamper with, modify, or remove the PRD device.

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