I might try to lean the primaries and just keep an eye on the A/F ratio gauge. or maybe the vac secondaries are opening too soon? or power valve too high of a rating?
Not sure where to start and at 1.52/L at the pump as close as I can get it to run at optimum ratio for cruise and light throttle the better!! WOT is a different story but 10:1 for cruise seems rich to me.
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