My Dad has always put half a quart of MARVEL MYSTERY OIL at every oil change, so far his '86 Dodge 250 pickup has 175,000 miles on it and does not burn oil. Not sure if it helps or not but it seems to be working this is what the label say about using it in the oil [ QUOTE ]
Prevents valve sticking and clatter. Fortifies properties of engine oil, prevents breakdown caused by extreme temperatures. Promotes easier cold weather starts. Reduces and prevents acid and sludge formation.
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