04-18-2007, 03:10 PM
There is no disputing the fact that the European car manufacturers make some of the most powerful engines on the planet. Current engine architecture relays on a very compact package to attain this feat. In doing so many of the bearing dimensions have decreased in overall surface area. This transmits into more forces acting on a given area during one crankshaft revolution. We must also not forget that these engines are also seeing much higher RPM operation than engines in the past to attain these power numbers. This is requiring OE lubrications systems to do what was not expected of them in the past. No matter how often you change the oil in the engine if the properties of that oil are not appropriate for the physical forces acting on the rotating assembly than a failure is eminent. Another area that has seen a tremendous amount of advancement particularly in the import segment is valve train technology. A great deal of the power level increases in recent years can be directly linked to this area of the engine. These new systems have put new demands on the oil manufactures to produces products that will be capable of not only keeping the bottom end together but also the valve-train, camshafts and a multitude of technologies that allow the manufacturer to manipulate cam timing, lift and duration. ACEA specs address these specific issues where API specs do not. My recommendation is to run oil that has ACEA specs that are appropriate for the specific engine your servicing. This may require a little research but I am confident it will be less time than an engine overhaul requires. http://WWW.ELFOils.us
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