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If the carb were getting in the secondaries too soon wouldn't it cough black smoke?Did I move the screw enough or should I have gone further?
It acts like its running lean. The plugs look like its running lean. The carb number is 17085226. I will have to go back up to the garage to get the egr number.The distributor held vacuum. Like I said, I doubt the egr is causing the lean condition as its not even opening. I can open it with my finger and the truck will idle down. I bought a GP Sorensen kit for the carb #96-519a. If I don't find the problem this week, I will pull the carb and build it this weekend. It worries me that the truck seems to be running worse today but the last time I ran it, it was 64 degrees and today its 30 so the lean condition might be the problem. It seemed to be surging at lower speeds.The numbers on the egr are: csm 17085768 and 103 51n ( I guess that answers one question anyway)
DELPHI EG10081 OE No 17085768, 17085769