
Originally Posted by
ddude2uc
There are many pros & cons of using seafoam, it's a matter of anyones personal experience with it which way they tend to go. It's not good on older engines' gaskets.
Coolant is your engine oil’s number one enemy. Engine sludge is inevitable when oil meets engine coolant. Contamination of your oil with coolant promotes sludge by two means. First, it introduces water into the oil. Second, it brings into contact oil and coolant, which are incompatible fluids. (emulsion)
Oil and coolant react to form deposits as they experience temperature changes in your engine. Some are gooey or gel-like. Others are hard, brittle deposits that plug oil passageways, reducing oil flow. These two types of deposits guarantee a shortened life for your engine.
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