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Diesel Oil Not Good For Gas Engines

ammonia coolerPricey oil price december 2014 Bob: A number of oil price december 2014 buddies of mine consider that using diesel oil in gasoline engines makes the engines last longer. They support this by saying that diesel oil works in harsher situations — larger temperatures and longer journeys — than oil for gasoline Falling-Film Evaporator engines. Which oil is greatest for my automotive And which multigrade oil — 10W-40 or 20W-50 — is finest for areas where summer season temperatures are high Your column is far appreciated here in Mexico. — M.A.L.

Pricey M.A.L.: Logic would indicate that your mates` reasoning is right. Diesel oils have to put up with a lot higher engine temperatures, higher oxidation charges, sulfur deposits, gas soot, acids and other deposits and circumstances not usually found in automobile engines. So it will make sense that utilizing diesel oil in a gasoline engine would enhance the latter`s longevity.

Uh-uh!
Oils meant to be used only in diesels are rated by the American Petroleum Institute as CC, CD or CC/CD. These letters on the oilcan point out that the oil is particularly formulated for diesel engines.

If you happen to occur to be driving a new automobile — diesel-engine cars excepted — nowhere within the proprietor`s manual will you see recommended a CC, CD or CC/CD oil. All current gasoline engines require an SF oil. The SF may be in combination with CC or CD or even CC/CD — for example SF-CC/CD — however you will never see just CC or CD really useful.

If diesel oils are so good, why don`t automotive manufacturers suggest their use in gasoline engines It`s because diesel oils oil price december 2014 fail in one crucial area when used in gasoline engines. API-rated diesel CC or CD oils do not meet the engine-cleanliness parameters set for oils rated SF for gasoline engines.