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What is the Noack Volatility Test?

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SAPS Levels Are An Important Differentiator In European Specifications

AMSOIL Makes It Easy By Clearly Defining SAPS Levels In Its European Car Formula Line.

TECH TALK
Dan Peterson, Vice President, AMSOIL Technical Development

Matt Erickson
Technical Product Manager,
Passenger Car

The March 2011 Tech Talk Column described how automotive industry trends and governmental regulations to reduce exhaust emissions are forcing sulfated ash, phosphorus and Sulfur (SAPS) levels In engine oil downward. SAPS are common oil additives that provide desirable performance properties, including detergency and protection against wear and oxidation. But they can also reduce the performance or longevity of exhaust treatment devices such as diesel particulate filters (DPFS) and the three-way catalysts used in the catalytic converters of newer gasoline-powered vehicles. High levels of sulfated ash can clog DPFS and reduce fuel economy and engine performance, while phosphorus and sulfur can deactivate catalyst sites, decreasing the effectiveness of catalytic converters and allowing unwanted emissions into the atmosphere.

Reducing emissions in today's smaller, high-horsepower gasoline and diesel-powered engines, while still protecting their vital operating components, is a continuing challenge for OEMS and lubricant manufacturers. This is particularly true because there is no one-size-fits-all motor oil when it comes to SAPS levels. The European Automobile Manufacturers' Association (ACEA) establishes lubricant standards for Europe, similar to the American Petroleum Institute (API) here in the States. Previously it was possible for the same motor oils to be used in applications calling for different SAPS levels because there was no lower limit. Until recently, a low-SAPS oil could be used in a mid-SAPS application, and a mid-SAPS oil could be used in a full-SAPS application. Current ACEA specifications create three clearly defined categories for SAPS levels and eliminate backward compatibility. This required a third AMSOIL European motor oil formulation to cover all three SAPS levels outlined by ACEA and vehicle manufacturers.

The best SAPS level for a vehicle depends on several factors. Gasoline and diesel engines with emissions systems that are sensitive to the SAPS content of oil require lower SAPS formulations to properly function for a long period of time. These oils are engineered to the exacting engine oil specifications Of ACEA and European OEMS to ensure they are compatible with current emissions systems while still providing engine protection. This is very difficult to accomplish because although lower SAPS levels provide the best emissions systems protection, it costs much more to achieve equal engine protection with low SAPS content. Lower SAPS oils rely on different properties to provide proper engine protection, while still promoting long emissions system life. As a result, as SAPS levels go down, finished-product pricing goes up.

Not all engines are best served by low- or mid-SAPS oils. Older vehicle designs rely on oils with fUll SAPS content to protect components properly and usually do not have advanced emissions systems that are sensitive to the extra additives. Additionally, fuel quality has a major Influence on the recommended SAPS level. Fuel quality varies regionally and is often related to the ethanol or sulfur content in gasoline or diesel. Many new vehicles also require full-SAPS engine oils because they are better suited to address those issues.

Because of these changes in specifications, AMSOIL revamped its European Car Formula lineup. The two existing products, European Car Formula 5W-30 Low-SAPS Synthetic Motor Oil (AEL) and European Car Formula 5W-40 Mid-SAPS Synthetic Motor Oil (AFL), now have updated labels with clearly defIned SAPS levels and some specification realignment per the new European specs; however, the formulations remain unchanged. The new European Car Formula 5W-40 Full-SAPS Synthetic Motor Oil (EFM) is also a 5W-40 because that viscosity category continues to be the most recommended by European OEMS.

SAPS levels are not an indicator of quality. All three European Car Formula Synthetic Motor Oil formulations are premium and deliver premium-grade performance in their respective applications. so, how do you know which one to use? As always, select the oil that lists the specification recommended by the vehicle manufacturer and be confident that the vehicle's engine and emissions system are protected. Published, AMSOIL Magazine 11/12.


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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