Some time ago I wrote in this forum about having the wrong fuel nozzle in my C90 Marvelous Scheiber carb. Having changed the nozzle, I still am getting dry carbon build up, now after about 12-14 hours. I clean them and everything is ok. I lean even when on the ground (4000 ft.). Spark plug chart says hotter plug but the REM40E has no hotter equivalent to my knowledge. An ideas???
Dick in Columbus NM
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