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Symptom #6 -- No change in performance when system is activated (Continuation)
8. Excessive fuel pressure.
a. Perform fuel pressure test procedure.
b. Install fuel pressure gauge.
i.
Regulate pressure to proper settings.
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 your using.
i.
Use a higher octane fuel.
2. Spark plug heat range too high.
a. Verify what heat range the 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.
4. MAKE SURE THERE IS NOT A NON-NITROUS COMPATIBLE AFTERMARKET CHIP OR PROGRAMMING IN THE ECM.
Symptom #8 -- Vehicle surges under acceleration when system is activated.
1. Inadequate nitrous supply.
a. Weigh bottle.
i.
Bottle should be 10lb. above empty bottle weight listed on bottle label when full. (15lb. will be more).
b. Check bottle pressure.
i.
Maintain 80°-85° 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
©2007 Edelbrock Corporation
Brochure #63-70216
WWW.EDELBROCK.CO M
Tech Line: (800) 416-8628
E-mail: Edelbrock@Edelbrock.com
Page 16 of 16
Catalog #70216
Rev. 5/07 - DC/mc
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