Posted by TBprnaa on November 02, 2009 at 17:47:26 from (64.12.116.20):
Started '53 Jubilee after it had sat (covered, outside) for 3 weeks. During and after warm up, exhaust was dark, more black than blue. Lots of moisture in air (wet snow was on ground) and I did wipe off distributor,wires, etc. Smokey exhaust continued after fully warm, not as much at higher engine speeds but still more than usual. Pulled plugs, not wet but dirty/black. Prior to this, exhaust has had little color / blow by. Would you suspect bad spark/wet electrical or carb? I had slowed idle speed to 450 -475 three weeks ago when installing new proofmeter. Had to adjust idle air screw also to get smoother running at idle rpm. Ran ok but weather was warmer and drier back then. Thanks for ideas/input. Tim
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