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Corporate Announcement
Premium API CJ-4 Synthetic 15W-40 Diesel Oil

AMSOIL Synthetic 15W-40 Diesel Oil (DME) is the premium choice for API CJ-4 emission-quality diesel oil required by model-year 2007 and newer diesel engines. It delivers extraordinary lubrication in diesel engines found in commercial, fleet and personal vehicles. Built with the latest additive and synthetic base oil technology, AMSOIL Premium Synthetic 15W-40 Diesel Oil exceeds the higher performance demands of modern engines. It withstands the stress of heat, soot and acids to help prevent deposits, corrosion and wear. AMSOIL, the leader in automotive synthetic lubrication, produced the world’s first API-qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL, The First in Synthetics,® to do the best job protecting your engine. More Information.

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Keeping Vehicle Warranties Valid
Are you concerned that the use of AMSOIL and extended drain intervals will void your warranty? In 1975, Congress enacted the federal Magnuson-Moss Act to regulate written consumer product warranties. An examination of the law reveals warranties remain intact when AMSOIL Synthetic Lubricants are used. FTC regulations state: (c) No warrantor of a consumer product may condition his written or implied warranty of such product on the consumers using, in connection with such product, any article or service (other than article or service provided without charge under the terms of the warranty) which is identified by brand, trade, or corporate name; except that the prohibition of this subsection may be waived by the Commission if (1) the warrantor satisfies the Commission that the warranted product will function properly only if the article or service so identified is used in connection with the warranted product, and (2) the Commission finds that such a waiver is in the public interest. (15 U.S.C.2302(C))

That means your warranty stands when you use AMSOIL Synthetic Lubricants.

Vehicle manufacturers recommend lubricants according to their viscosity grade and service classification. Any oil, whether its conventional petroleum motor oil or synthetic, meeting the correct viscosity grade, 5W-30 for example, and the current API and ILSAC North American service classifications may be used without affecting warranty coverage. AMSOIL motor oils are recommended for use in applications requiring these specifications.

Furthermore, the practice of extending oil drain intervals does not void warranties. Original equipment manufacturers pay or deny warranty claims based on the findings of failure analysis. To affect the vehicle warranty, the lubricant must be directly responsible for the failure. If the oil didn't cause the problem the warranty cannot be voided, regardless of brand or length of time in use. Synthetic motor oil was introduced to the automotive public in 1972 by AMSOIL, INC., with the world's first API rated synthetic motor oil specially formulated for long service and superior performance and protection to that of conventional oils.

Nearly 35 years ago, AMSOIL synthetics represented a vision of the future and technology ahead of their time. Since then, every major engine oil manufacturer has introduced synthetic oils of their own. Many original equipment manufacturers would like you to believe you can only use their products. However, it's a violation of the consumer protections set forth in the Magnuson-Moss Act, unless they're willing to provide you those products free of charge.

AMSOIL offers a warranty that covers the cost of repair or replacement of a proven mechanically sound engine damaged as a result of using AMSOIL synthetic motor oil. However, it has never happened. Thirty years of experience proves AMSOIL can be installed in any vehicle with complete confidence.

AMSOIL further backs its products with action when a dealership or warranty company states their warranty is voided if they use synthetics or extended drain intervals.

If you have heard from any dealership or warranty company that the use of AMSOIL motor oil or the practice of extending drain intervals will void warranties, send AMSOIL all the details including the name of the business, business owner or manager and the individual making the claims, in a signed and dated letter. Send the letter to the Technical Services Department at corporate headquarters and an AMSOIL representative will send them a letter explaining the facts.

Access to the complete Magnuson-Moss Act is available on the Internet by key words Magnuson-Moss Act or Federal Trade Commission.

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About the Company
AMSOIL was founded on Al Amatuzio’s desire for technical innovation, his commitment to high quality and his belief that consumers would respond to a superior product. The company has remained true to these ideals; its history is a checklist of revolutionary products that have withstood the tests of time. As the pioneer corporation in the field of synthetic lubrication, AMSOIL sees its Commitment to Excellence as a historical responsibility, and A.J. Amatuzio’s energy and vision continue to drive the company forward.

Today, virtually every other motor oil manufacturer has recognized the superiority of synthetic lubricants and has followed the AMSOIL lead with introductions of synthetic motor oils of their own. They spend millions of dollars advertising their “new” and “revolutionary” products. No one, however, can match AMSOIL's experience and technological know-how. And no one delivers products like AMSOIL. Accept no substitutes – AMSOIL is “The First in Synthetics.”®

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Benefits of AMSOIL Synthetic Base Stocks
HEAT CONTROL
Lubricated components are designed to operate in a range of temperatures which are considered optimal. However, demands for more power, faster operation and more load-carrying capacity often push actual operating temperatures above the optimal range. High temperature operation is often a cause of component failure and even more often a significant cause of component wear. Because uniformly smooth synthetic lubricant molecules slip easily over one another, they are superior friction reducers compared to conventional lubricants. The less friction in a system, the less heat is produced. Friction and heat are two major contributors to component failure and wear. In addition, uniformly sized synthetic lubricant molecules are better heat transfer agents than conventional lubricant molecules. Some conventional petroleum lubricant molecules are large and heavy. Others are small and light. As oil flows in a lubricated system, the small, light molecules tend to flow in the center of the oil stream while the large, heavy ones get stuck on the metal surfaces where they create a barrier against the movement of heat away from the component and into the oil stream. Since synthetic lubricants have no large heavy molecules, they don’t blanket hot components. Instead, every molecule is equally likely to touch the hot component surface and take some of its heat into the oil stream which carries the heat away.

VISCOSITY INDEX
Lubricant viscosity plays an important role in component efficiency and life expectancy. Viscosity is a measure of fluid flow. If a component is lubricated with a lubricant whose viscosity is too low, the component will not be protected adequately and will wear excessively. If the component is lubricated with a lubricant whose viscosity is too high, the component will expend excess energy doing its job, which reduces efficiency and may affect the life of other components, such as motors. “Viscosity index” is a number assigned to lubricants to describe how much their viscosity changes with temperature. The higher the viscosity index, the less the lubricant’s viscosity changes with temperature. High viscosity index lubricants protect better and provide greater efficiency than low viscosity index lubricants do because the high viscosity index fluids are more apt to retain the correct viscosity for the job, neither thickening as much in cold nor thinning as much in heat. Synthetic lubricants have higher viscosity indexes than conventional lubricants, due, in part, to the uniformity of synthetic lubricant molecules.

THERMAL AND OXIDATIVE STABILITY
Some of the chemicals in conventional lubricants break down at temperatures within the normal operating range of many vehicle and equipment components. These unstable contaminants do not help the lubrication process in any way and are present in conventional oils simply because removing them is impossible or too expensive. When they break down, they coat components with varnish, deposits and sludge and leave the lubricant thick, hard to pump and with very poor heat transfer ability. Because synthetic lubricants are pure and do not contain contaminants, they are much more resistant to thermal and oxidative breakdown. That means they can be used in higher temperatures than conventional oils can without breaking down and they are impervious to breakdown at normal operating temperatures. With synthetics, components stay varnish-free, deposit-free and sludge-free. And, because thermally and oxidatively stable lubricants retain their fluidity, pumpability and original heat transfer abilities, they protect and lubricate better, longer.

COLD TEMPERATURE FLUIDITY
Conventional lubricants often contain paraffins which cause the lubricants to thicken in cold temperatures as the paraffin gels. However, a lubricant must flow readily throughout the system it protects or the system goes unprotected, and cold-thickened lubricants lose their ability to flow readily. Synthetic lubricants do not contain paraffins or other waxes that thicken dramatically in cold temperatures. Synthetic lubricants flow readily in extremely cold temperatures, much colder than those at which conventional oils flow, which provides rapid post-startup lubrication and protection, keeping startup wear in check. The superior cold temperature fluidity of synthetic lubricants also helps engines start more dependably in cold temperatures than they do with conventional oils.

FRICTION CONTROL
Uniform, smooth synthetic lubricant molecules slip across one another easily. That minimizes friction, which in turn, improves power and fuel economy because more of the energy released from fuel combustion reaches the wheels and moves the vehicle. The vehicle accelerates more quickly and powerfully because more of the fuel goes to moving the vehicle rather than to overcoming friction.

LOW VOLATILITY
The small, light molecules in conventional lubricants “boil off” at relatively low temperatures. The tendency of a liquid to boil off is referred to as its “volatility.” Conventional lubricants are more volatile than synthetic oils are. Volatility affects more than the rate of oil consumption. Because the light molecules are lost through volatility, conventional oils tend to grow thick with use, which makes them hard to pump. The harder the oil pump works, the more energy it consumes, which reduces fuel economy and the quicker the pump wears out. Plus, parts require more energy to move through thicker oil than they do through thinner oil. All the energy spent on pumping and moving through thick oil is energy lost to performance and fuel economy. Synthetic lubricants lose very little to volatility because their molecules are uniformly sized. None are smaller and lighter than others and therefore more susceptible to boiling off. The low volatility of synthetic lubricants keeps performance and fuel economy at their peak.

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AMSOIL High-Quality Additives
Lubricants contain basestocks and additives, with the basestock comprising the greatest volume of the finished lubricant. Additives either enhance basestock properties or add properties to the finished lubricant that the basestocks don’t have. Very broadly, each additive performs one or more of the following functions:

• Protect metal surfaces
• Extend the range of lubricant applicability
• Extend lubricant life

More specifically:

SURFACE PROTECTIVE ADDITIVES
• Anti-wear agents inhibit wear
• Rust and corrosion inhibitors inhibit rust and corrosion
• Detergents keep surfaces free of deposits
• Alkalinity additives neutralize acids
• Dispersants keep insoluble materials dispersed in the lubricant to inhibit wear
• Friction modifiers reduce friction

LUBRICANT APPLICABILITY-EXTENDING ADDITIVES
• Viscosity modifiers reduce the rate of viscosity change with temperature change
• Seal swell agents help form and maintain tight seals

LUBRICANT LIFE-ENHANCING ADDITIVES
• Antifoam agents inhibit lubricant foaming
• Antioxidants inhibit lubricant oxidation

Just as quality differences exist between lubricant basestocks, quality differences also exist between lubricant additives. For example, low quality viscosity modifiers are often damaged by the shearing forces in the engine. Once damaged, they no longer work to increase the lubricant’s viscosity in high temperatures, leaving lubricated components open to wear and damage during high temperature operations. The quality of lubricant additives is directly related to their cost. Lubricants made to be sold at a low price contain low cost additives, and, of course, a low cost conventional basestock. Lubricants formulated for performance contain additives proven to perform, despite their usually higher cost. Over time, the performance formulated lubricant proves to be the more cost effective choice due to the superior lubricant and protection it provides. Vehicles and equipment last longer and perform better with performance-formulated lubricants. Additive quality also affects lubricant life. It doesn’t pay to pair long-life additives with short-lived conventional basestocks. It does pay, however, to pair long-life additives with long-life synthetic basestocks. Here, too, quality pays – in reduced oil drains, reduced used oil disposal costs and reduced downtime. In fact, every benefit attributed to AMSOIL synthetic lubricants comes not only from the lubricants’ synthetic basestocks, but also from their top-quality additives.