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Old 01-16-2019, 06:28 AM
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Jerry Clayton Jerry Clayton is offline
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Join Date: Jul 2005
Location: Bartlett, Ill
Cobra Make, Engine: Everett-Morrison LS1
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Check timing--likelyhood of advance mech hanging up and not retarding to ideal idle speed

Also maybe backfeed to ignition system from charging circuit because of poor grounds, amp guage improperly/faulty wiring---------

It probably is electrical but maybe even that is rpm related
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