There was a thread on here or thumpertalk comparing the temp of oil with and without a oil cooler. Oil coolers can only be helpful adding an oil cooler to any engine will amplify the life of the oil in this manner developing the life of the motor.
Auxiliary Oil Coolers Keep Engine Oil Temperature Under Control
Do oil coolers really help. Also this gives the oil cooler the opportunity to cool the oil before it is used by the engine thereby making sure every part of the motor receives cooled oil at the proper temperature. Everyone knows that oil is an engines lifeblood so how do you keep your cars blood from boiling. As with the vast majority of heat energy created by an engine it generally needs to be released to the. By keeping the oil cool it prevents overheating during stressful hauling jobs. If i recall right though the test was on either a street legal mod 110 or 50 i cant really remember which one it was. Position the oil cooler can be covered up and it can for the most part be mounted into even the most cramped engine compartments.
If a vehicle tends to off road or carry consistent heavy loads an engine oil cooler can help extend the life of the engine. Oil is therefore used to lubricate these moving parts and in turn picks up a lot of heat. Well no matter whether the primary cooling system on your car is coolant or air the secondary cooling system on all engines is oil. And that can be greatly enhanced with a slight modification. I believe the oil temp with the oil cooler was something like 20 30 degrees cooler than without the oil cooler.