[C320-list] Black smoke with 3GM30F

[jtamucci at comcast.net]

Thanks to those that responded.  I replaced the exhaust elbow a couple years ago as a preventative maintenance item.  Today I wire brushed the prop and drive shaft which  still had a lot of build up.  I am able to get max RPM of 3100 at 6.1 knts.  No black smoke now.  I am declaring victory for the rest of this season.

Joe Tamucci #619

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