Be sure to choose a size that will not be too small and restrictive as this will result in oil pressure drop that could damage an engine. For example if a hydraulic system has a continuous input power of 100kw and its 80 percent efficient then 80kw is available at the output to do useful work and 20kw is converted to heat.
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What size oil cooler do i need. Oil temp sender in bottom of pan. Still running stock merc oil cooler. The amount of air flow and space for the cooler. What size oil cooler do i need. Oil pressure drop â p can be found from the pressure drop curve. Using the basic principles of thermodynamics the size of the oil cooler needed can be calculated and can be plumbed into a car using extended oil lines to divert the fluid through the heat exchanger.
The size of the radiator. 489 cubic inches 500 hp. Each of the following above will play a key roll in deciding the size of oil cooler you will need for your car. The coolers dimensions are 11 58 x 11 x 34 and is rated at 30000 gvw. Choosing a proper size is based on a few factors. All three of these coolers have an effective cooling area right around 75 square inches so their cooling performance is similar.
Your engine functions at its best when the oil is between 180 and 200 degrees. To try to simplify things we have broken down all of the coolers we have reviewed into 5 categories. Multiply it by the. Most engines will use an 8 an or 10 an size fitting. The power output of the motor. The capacity of oil in the system.
The cooler comes as a complete kit with extra transmission hose fittings clamps and zip ties. Personal small medium large and huge. Say we have a high performance engine putting out about 325 hp. According to the cooling capacity curves the minimum size cooler for these conditions is an oaw 61 40. Series 9 with 20 rows series 6 with 25 rows or series 1 with 50 rows. Engine oil coolers why do i need an engine oil cooler.
What we like about the hayden 679. The chart suggests at least three possibilities. This provides enough capacity to tow 10000 pounds or be used on class a motor homes large travel trailers or with 5th wheel trailers. Personal has 16 quarts or less small has 17 to 35 quarts the medium has 36 to 59 quarts large has 60 to 99 quarts and giant has 100 quarts and above of storage volume. So the oil cooler must be capable of rejecting at least 20kw of heat to maintain an acceptable and stable oil temperature. Most factory cooling systems however maintain fluid temperatures of approximately 200 to 220 degrees which means the maximum temperature drop it can create in your oil still exceeds the ideal temperature.
Oil coolers come in many sizes just like radiators.
Gallery of What Size Oil Cooler Do I Need
