Thread: Iconic 427 runs very rich since new?
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Old 09-01-2014, 06:45 PM
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Join Date: May 2014
Location: Eugene, or
Cobra Make, Engine: Backdraft RT3 #1350 427
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Default Iconic 427 runs very rich since new?
Have 600 miles on #1350 and runs really rich (always has). Starts and idles okay at 1000 rpm to 1100 rpm and choke seems fine. Black smoke at all engine speeds. Dyno shows lack of RWHP (-100) and possible ignition issue? Any folks with this engine and Holley 670 with MSD ignition that have experienced the same. Would welcome any tuning tips you may have. Am in OR so too far from BD for checkup there.
Thanks in advance.
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