05-16-2016, 01:20 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,483
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Not Ranked
Could it be it's leaning out at high rpm due to a restrictive air filter/cleaner? I would have thought a WOT lean condition would otherwise be fairly simple to address - just go to larger jets like you did.
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