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Temperature Extremes Call For Superior Motor Oils

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AMSOIL Synthetic Gear Lube Outperforms Valvoline Gear Lube

8.2% More MPG With AMSOIL Synthetic Lubricants

AMSOIL Proves Superior In Clark County Field Test

AMSOIL Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil is Correct Choice for Jeff Foster Trucking

AMSOIL Products Improve Efficiency and Reduce Operating Costs for Gerlach Trucking

What is the Noack Volatility Test?

What is the Four-Ball Wear Test?

What is TBN?

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AMSOIL Synthetic Lubricants Excel In Temperature Extremes

Perhaps Better Known for Their Cold-Temperature Benefits, Synthetics Are Equally Beneficial in Extreme Heat.

TECH TALK

Dan Peterson
Vice President, Technical Development

Summer is on its way, and thank goodness; this winter has really been hard on everything! Wildlife, water mains, heating budgets, people - and our vehicles - have all suffered through this winter. As of Februaty 11, 2014, Duluth, Minnesota. marked 23 consecutive days with a low temperature below zero. The last day a low temperature was zero or above was January. 19, with a low of 13 degrees Fahrenheit.

We often think about synthetics' low-temperature properties - maintaining flow in sub-zero conditons to lubricate vital components and ensure startups on the coldest mornings - but with a hint of spring on the horizon it's time to get ready for summer. One of the many benefits of synthetic motor oils is their excellent all-weather performance. What happens to lubricants during the dog days of summer in the desert Southwest where daytime temperatures routinely climb above 100 degrees Fahrenheit? Driving a vehicle under these conditions stresses lubricants also, but in different ways than driving in subzero temperatures.

Hot operating conditions subject oils to stress that can result in sludge and varnish formation in your engine and transmission, resulting in major damage. There are a bunch of tests that can be run on used oil to help predict sludge and varnish formation, including oxidation, nitro-oxidation, viscosity increase and total base number (TBN) depletion. If you are not interested in becoming a used-oil analysis expert, make sure to pick lubricants proven to withstand the heat. One of the main differentiators of lubricants is how long they can effectively fight sludge and varnish formation. In the southern half of the United States, the chemical reactions that create sludge and varnish are accelerated with high temperatures. As a general rule, chemical reaction rates, including sludge and varnish formation, double with every 10 degrees Celsius (18 degrees Fahrenheit) rise in temperature. So if you live in Phoenix, Arizona, your vehicle lubricants better be designed to hold up to these accelerated reaction rates. It takes detailed knowledge of lubricant chemistry and field experience to get it right.

Keeping surfaces effectively separated to reduce friction is another concern down in Phoenix, Arizona, during the summer. Reducing friction will reduce the amount of heat that is generated, which will lower the operating temperature of the component. Anti-wear components help maintain this separation of surfaces, but lubricant thickness is the main mechanism.

When oil gets too thin, friction and heat are generated. Since lubricants generally thin as temperatures go up, they need to be designed to provide effective separation at the highest expected operating temperature. An oil's base stock and formulation influence this property, called viscosity index (VI), which indicates the change in oil viscosity in relation to temperature. Oils with high viscosity indices have smaller changes in viscosity due to temperature changes than do oils with low viscosity indices; therefore, it is desirable for oils to have higher viscosity indices. As you might expect, synthetic motor oils have higher viscosity indices than conventional mineral-based oils do.

We also rely on engine oil to absorb heat from the contact surface area and transport it to a location where it can be safely dissipated (an oil cooler or sump). As oils age, they cannot carry away as much heat, so temperatures increase, accelerating the chemical reactions which result in sludge and varnish.

Hot summer temperatures were part of the challenge facing AMSOIL Signature Series Synthetic Motor Oil and Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid during the 2011-12 Las Vegas Taxi Cab Field Study. Over the course of 18 months, test vehicles operated in the fleet's service area of Las Vegas up to 24 consecutive hours daily, accumulating more than 7,000 hours of service. Like most taxi cabs, the vehicles operated in stop-and-go conditions where excessive idling is the norm, but they also faced the grueling summer temps of Vegas where daytime highs often exceed 100 degrees Fahrenheit. Hour after hour, day after day, under such punishing conditions, AMSOIL lubricants proved up to the task. Engine and transmission components from the test vehicles were later examined and found to have minimal or no notable wear, even after practicing extended drain intervals.

Few of us operate our vehicles under such severe settings, but it is reassuring to know that AMSOIL synthetic motor oils provide outstanding wear protection and superior high-temperature performance in the harshest conditions. The next time you're driving during one of those summer scorchers or battling stop-and-go traffic, be assured that AMSOIL synthetic motor oil is working hard under the hood to keep your engine running cool. Published, AMSOIL Magazine 03/14.


AMSOIL Signature Series Synthetic Motor Oil

AMSOIL Signature Series Synthetic Motor Oil

AMSOIL Signature Series Synthetic Motor Oils are formulated to meet the latest API SN Resource Conserving and ILSAC GF-5 industry specifications. AMSOIL Signature Series Oils include 0W-20, 0W-30, 5W-30 and 10W-30 and represent the very best motor oils AMSOIL has to offer, allowing motorists to take advantage of maximum extended drain intervals. AMSOIL Signature Series Synthetic Motor Oils are recommended for drain intervals of up to 25,000 miles/one year, whichever comes first (15,000 miles/one year in severe service conditions).

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Premium AMSOIL Synthetic Motor Oils offer the longest drain intervals on the market, unsurpassed protection and performance that effectively extends equipment life and improved fuel economy, saving customers money at the pump and reducing the nation's dependence on foreign oil.


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AMSOIL Synthetic Diesel Oil Articles and Testimonials


"AMSOIL INC. warrants that the use of its lubricants will not cause mechanical damage to any mechanically sound equipment when AMSOIL INC. products are used in full compliance with the company's recommendations and instructions."


FULL WARRANTY


AMSOIL synthetic motor oils are formulated to surpass engine test specifications, offering protection far greater than competing motor oils for extended drain intervals. Most synthetic oil manufacturers make no claim to extended drain intervals, deferring to the maintenance schedule provided by the vehicle manufacturer. With its unparalleled oil and warranty program, AMSOIL offers consumers unprecedented protection and economics.


Another AMSOIL First

More than 20 years ago, AMSOIL began using the NOACK volatility test as a comparison tool and measurement of quality. Back then, nearly every oil tested side-by-side with AMSOIL synthetic motor oils failed, and those that passed barely squeaked by. Other oil companies paid no attention to NOACK results until Ford Motor Company made it a requirement for service fill oils, validating what AMSOIL had said all along.


THE NOACK Volatility Test
The NOACK Volatility Test determines the evaporation loss of lubricants in high temperature service. The more motor oils vaporize, the thicker and heavier they become, contributing to poor circulation, reduced fuel economy and increased oil consumption, wear and emissions. AMSOIL Synthetic Motor Oil resists high temperature volatization better than other motor oils. AMSOIL Synthetic Motor Oil maintains peak fuel efficiency and reduces oil consumption and emissions.

AMSOIL Now An ISO Certified Manufacturer
AMSOIL recently received ISO 9001:2000 certification of our Quality Management System (QMS). NSF International Strategic Registrations is the registrar that has verified our QMS meets the requirements of the ISO 9001:2000 standard, the most widely utilized quality standard throughout the world for quality management systems. ISO standards are used by over 300,000 companies worldwide setting rigorous standards for businesses, government and industry.

ISO 9001:2000 is applicable to any manufacturing and service organization providing a framework for system development that focuses on the customer, quality system performance and ongoing improvement. AMSOIL received ISO 9001:2000 registration under the scope: synthetic lubricants blending, packaging, and other fulfillment directly associated with lubricant product.

The ISO certification puts AMSOIL in line with some of the most efficient companies in the world. It is further assurance that the products and services AMSOIL provides will continue to maintain the high level of quality the company always demanded.


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