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post #14 of Old 07-09-2013
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Re: atomic 4 cooling system

If it is white smoke, that's a really bad sign that you're burning oil. Black smoke is unburned fuel. You can easily smell both of these. If it's steam, you may have opened an area of the engine's head cooling system that has been completely plugged for a while and only minimal water is flowing through that section and causing steam. When an engine emits steam, there's no petroleum odor, but there can be some nasty smells from marine critters and scum.

You may want to run another batch of acid through the cooling system, which could open up some tiny openings in the engine's head, and this may even solve the steam problem. Can't hurt.

Keep in mind, however, that the acid eats away at rust and calcium crud that builds up throughout the cooling system. Some of that rust, especially in a raw water cooled engine, may have eaten away at the engine to the point where the rust was the only thing holding the engine together - somewhat like the cars I owned when I was young and poor.

Good Luck,

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