Types of Performance Oil Coolers will include plate and fin coolers, stacked coolers, and tube and fin coolers. Stacked coolers are the largest of the 3 types, having larger plates to help rid of the heat. Tube and Pin coolers contain serpentine tubes, which the oil flows through, and the fins will transfer the heat back into the air. Plate and fin coolers are formed much like a radiator, with oil flowing through the plates, which are attached to fins. Depending on your intended use of your 2004 Subaru Forester, the type of oil cooling you need may vary. Sport Compact Warehouse is your premier source for Performance Oil Cooling. Reach out to a representative today and we will help you make a more informative decision.
When an engine is assembled, the oil clearances are set with the expectation that the engine oil will have a certain viscosity when the engine is at normal operating temperature. However, if the engine oil gets too hot, the oil becomes thinner and loses its ability to prevent metal-to-metal contact. When this contact occurs, the parts wear, increasing the oil clearance. Subsequently, oil pressure drops with complete engine failure shortly thereafter.
In addition to lubrication, engine oil also helps cool the engine. Some engines use jets of oil to cool the undersides of the pistons, and oil not only lubricates but carries a significant amount of heat away from turbocharger bearings. But again, if the oil temperature is too high, this cooling capability will be lost. Overheated pistons can fail or allow engine damaging and power reducing detonation, and overheating can destroy the turbocharger bearings.
Air flowing around the oil pan is enough to carry the heat away from the engine oil on an ordinary road vehicle driven at normal highway speeds. But performance and racing engines operated at high RPMs can quickly elevate the oil temperature beyond the oil pan’s cooling ability, even on deep sump and finned pans. This is when an engine oil cooler becomes necessary. An oil cooler is like a small radiator: oil flows through the cooler and transfers heat to the surrounding air so the oil can stay within its optimal operating temperature range, ensuring that viscosity is maintained and preventing oil break down.
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