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Old 02-21-2019, 04:33 PM
Ron Scarboro Ron Scarboro is offline
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Join Date: Oct 2010
Location: Raleigh, NC
Cobra Make, Engine: 289 FIA Superformance 425hp 289
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I don’t think float levels would keep it from cranking. When my float stuck the butterfly was wet. If the top of the butterfly’s is dry and the accel pumps are working (easy to verify visually). Generally, as long as the carbs are in the ballpark it’ll crank, but may not continue to idle beyond a few seconds.

It almost sounds to me like you’re 180 deg out on timing or the MSD is bad. I have a MSD and I can time it off a light w/o issue.
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