Rising Temps Put Stress On Engine Oils

When you think about it, we demand a lot from our motor oil. For example, we all want better fuel economy, so we’re using lighter oils. However, we also want engines to produce more power per cubic inch. To add power, we’re putting in turbochargers which raise the engine temperatures and put higher stress on our oil.

That’s not the only stress. We value cleaner air, so new devices that reduce exhaust emissions place more contamination in the oil and increase engine temperatures. We’ve also cut aerodynamic drag, a plus for vehicle owners, but brutal on oil. By minimizing the air flow over the engine and drivetrain, temperatures also rise.

In fact, the average under-the-hood temperature has increased from 175 degrees Fahrenheit in 1975 to 225 degrees in 2000. Our vehicles are increasingly complex and powerful machines. To keep them running smoothly, we’re demanding that our lubricants do more and last longer.

That is why synthetic motor oils and drivetrain fluids have been increasing in market receptivity over the past two decades. For more information about AMSOIL synthetic motor oils, visit the AMSOIL website at http://www.amsoil.com

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Off-road racing, record chasing on the Bonneville Salt Flats and events like the Diesel Power Challenge can teach a lot about the performance limits of lubricants.