Flutter below 2k rpm

That makes perfect sense. My O2 gauge tells me I am in the ballpark at 13.3-14.0 at idle and 14.5-15-2 @ light cruise. Of course it is only on the drivers side and I could have a distribution problem...
The Holley was puking gas out the tailpipe and I just could not grt it to behave. The holley did have much more power under full throttle