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Catalog #70024 & 70025
Brochure No. 63-0182

Page 1 of 6

©2008 Edelbrock Corporation

Rev. 6/08

Victor Jr. Plate Upgrade Kits 

for Square Flange and Dominator Carburetors

Kit #70024 and #70025

INSTALLATION INSTRUCTIONS

Please study these instructions carefully before installing your new Edelbrock Nitrous Kit.

Failure to follow instructions will void the

warranty and may cause damage to parts and/or personal injury. If you have any questions, please call our 

Technical Hotline at: 1-800-416-

8628

, 7:00 am - 5:00 pm, Monday through Friday, Pacific Standard Time or e-mail us at:

[email protected].

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.

The Victor Jr. Plate Upgrade Kit is a kit designed to be used as an upgrade from an existing Performer RPM Nitrous System to the Victor Jr. Nitrous
System using both new and existing components. This kit comes complete with everything needed for a finished installation if you still have all
of your Performer RPM components.

70024

70025

Item #

Qty.

Description

1

1

Performer RPM Fuel Solenoid

2

1

Performer RPM Nitrous Solenoid

3

2

4AN to 1/8”NPT Blue Nitrous Tee

4

2

4AN to 1/8”NPT Red Fuel Tee

5

1

Teflon Bottle Nut Washer

6

2

6AN to ¼”NPT Blue Fitting

7

2

6AN to ¼”NPT Red Fitting

8

4

Solenoid Bracket Screws

1

2

3

4

5

6

7

8

9

10

11

12

Item#

Qty.

Description

9

1

6AN Blue Y Fitting

10

2

6AN Blue Steel Braided Hose

11

4

4AN x 3AN Blue Steel Braided Hose

12

4

4AN x 3AN Red Steel Braided Hose

13

2

Solenoid Brackets

14

Misc. Jets

15

1

6AN Bottle Nut

16

1

6AN Feed Line

14

13

15

16

IMPORTANT NOTE:

Proper installation is the responsibility of the installer.  Improper installation will void warranty and may result in poor

performance and engine or vehicle damage.

Summary of Contents for 70024

Page 1: ...ion 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 The Victor Jr Plate Upgrade Kit is a kit designed to be used as an upgrade from an existing Performer RPM Nitrous System to the Victor Jr Nitrous System using both new and existing components This kit comes ...

Page 2: ... RPM Nitrous Solenoid using Teflon Paste only Install the 4AN x 4AN x 1 8 NPT Blue Tee fitting into the outlet port of the Performer RPM Nitrous Solenoid using Teflon Paste only 11 Install the assembled Performer RPM Nitrous Solenoid onto one of the supplied solenoid brackets using the supplied solenoid bracket mounting screws Mount this solenoid and bracket as close to the Victor Jr Nitrous Plate...

Page 3: ...cerning jetting patterns and their effects on engine performance The Victor Jr Series Nitrous Systems are intended for single plane manifolds only Do not use a dual plane manifold with the Victor Jr Series Nitrous Systems In testing we found that dual plane manifolds have some distribution problems at these super high flow rates that could cause serious engine damage 14 Using the jet chart below s...

Page 4: ...er horsepower settings Victor Jr 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 be ensure that your system calibrations are within the parameters required of yo...

Page 5: ...nitrous and fuel jets These are conservative jetting combinations based upon 900 to 950 psi nitrous oxide bottle pressure and 6 to 6 5 psi flowing fuel pressure Operating with these pressure levels should yield safe and reliable power increases Spark Plug Facts The most important aspects to be considered when selecting a Spark Plug for your nitrous combination are but not limited to heat range fir...

Page 6: ...ally On a Nitrous system even 1 degree change in advance can make a big difference When using aftermarket ignition components and or systems it would be advisable to contact the manufacturer for information on using their components with a nitrous system It is always better to be very conservative in your timing approach and tune towards an optimum timing setting Example Ignition timing without Ni...

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