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    Hot Elbow with New Manifolds and Smoking

    Interesting. Yeah it's not sitting on the trailer quite level. Under normal operating conditions they should both be cool I assume right?
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    Hot Elbow with New Manifolds and Smoking

    No never overheated. Where would be a good place to start looking for a blockage? Do these cool from the engine block or from the water line that feeds the front of the elbow? I assume the latter? Like I said, had the idle speed screw all the way out and it was still idling kind of high.
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    Hot Elbow with New Manifolds and Smoking

    Could be float height, not sure I adjusted that. Idle screw was adjusted almost all the way out to get to 800 rpm but it seems to be running higher rpm a lot. The hot riser is on trailer with muffs. The other one is cool, not even a little warm, and the right side is hot enough I can't...
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    Hot Elbow with New Manifolds and Smoking

    So I have a 5.0L Mercruiser 2005. It got a lot of use up to about 4 years ago and has been sitting ever since. I took the opportunity to do some much need maintenance. I replaced the exhaust manifolds and elbows, rebuilt the carb, rebuilt the trim cylinders, changed the oil, spark plugs...
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