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©2007 Edelbrock Corporation
Brochure #63-0478
Catalog #70410
Rev. 7/07 - DC/mc
Page 16 of 16
Symptom #6… No change in performance when system is activated
(Continuation)
9. Loose nitrous solenoid wiring.
a. Inspect solenoid wiring. See
“Electrical System Installation”
section.
b. Consult a book concerning proper wiring methods.
10. Malfunctioning nitrous or fuel solenoids.
a. Inspect solenoid wiring. See
“Electrical System Installation”
section.
i. Repair wiring.
b. Inspect solenoids. See symptom #2.
i. Rebuild/replace solenoid.
Symptom #7… Engine detonates mildly when system is activated.
1. Inadequate octane fuel.
a. Verify what gasoline you use.
i. Use higher-octane fuel.
2. Spark plug heat range too high.
a. Verify what heat range the spark plug is, and how it functions in a high load, high performance application.
i. Install a performance spark plug.
ii. Reduce spark plug heat range.
3. Too much nitrous flow.
a. Verify the size of the nitrous jet.
i. Install the proper nitrous jet.
b. Check bottle temperature and pressure.
i. Ensure before every nitrous usage that you only use nitrous when the temperature and pressure of your bottle are
correct.
Symptom #8… Vehicle surges under acceleration 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 to 85 degrees of bottle surface temperature.
c. Check bottle valve.
i. Open valve fully
d. Check bottle orientation.
i. Mount bottle properly.
Edelbrock Corporation
2700 California Street
Torrance, CA 90503
Tech Line: 1-800-416-8628
E-mail: Edelbrock@Edelbrock.com