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Motor Oil Test and Comparison

AMSOIL vs. Mobil 1

409,000-Miles Without An Oil Change

AMSOIL Excels in API Sequence IIIF Performance Test

Motor Oil Performance Tests & Comparisons

Temperature Extremes Call For Superior Motor Oils

Why Harley-Davidson Owners Choose AMSOIL

Synthetic Motorcycle Oil & Harley-Davidson Warranty Issues

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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Dependable Cold-Weather Performance

AMSOIL Products Excellent Cold-Weather Performance Provides Added Benefits for Customers

Many consumers use the fall months to prepare their vehicles and equipment for winter. If there's a weak point in a vehicle, it seems as though the cold will find it and create problems. Plastic becomes brittle, fuel and lubricants can gel and extreme cold is just plain hard on things. The winter months bring unique challenges for lubricants but the enhanced performance characteristics of AMSOIL synthetic lubricants excel at cold weather performance. Conventional lubricants are far more susceptible to the effects of extreme temperatures. Extreme cold at startup can cause oils to thicken, starving vital moving parts of necessary lubrication. In many cases the motor oil will thicken to the point that the vehicle will not start. Many motorists let vehicles idle for extended periods to warm the interior and defrost the windows. Others create extreme heat in the engine by plowing or getting stuck in deep snow. These are just a few examples of the many challenges lubricants face in a typical North American winter. AMSOIL Synthetic Lubricants are formulated for maximum cold temperature performance, allowing quick starts, superior protection and versatility.

Keep Engines Protected

AMSOIL Synthetic Motor Oils provide superior protection and performance in cold weather applications. They dramatically outperform conventional petroleum motor oils, especially in the cold. Conventional petroleum lubricants often contain paraffins (wax). While modern refining techniques remove most of the wax from petroleum oil, some wax-like molecules remain. These wax-like molecules are soluble at ambient temperatures above freezing, but crystallize into a honeycomb-like structure at lower temperatures and cause oil circulation problems. At startup, this can leave working parts unprotected for as long as five minutes while the oil warms to a temperature that allows it to flow. AMSOIL Synthetic Motor Oils provide outstanding low-temperature fluidity for fast, dependable winter starts and immediate startup protection. In addition, their superior synthetic multi-viscosity formulations allow AMSOIL Motor Oils to provide exceptional high-temperature protection in hard working vehicles used in severe service winter applications.

Pour point is an indicator of an oil's ability to flow at cold operating temperatures. It is the lowest temperature at which the fluid will flow. Pour point depressants keep wax crystals in the oil microscopically small to keep them from joining together to form the honeycomb-like structure. They lower the temperature at which oil will pour or flow and are found in most motor oils designed for cold weather use. As synthetic motor oils do not contain those wax crystals, they tend to offer better cold temperature protection properties. In fact, the following chart comparing AMSOIL Synthetic 10W-30 Motor Oil (ATM) with several competitive products shows that AMSOIL Synthetic Motor Oil remained fluid down to -54 degrees F. (read more performance data)

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AMSOIL offers several other lower-viscosity motor oils with even lower pour points for maximum cold temperature performance, including AMSOIL Synthetic 5W-30 Motor Oil (ASL) (-58 degrees F), AMSOIL Signature Series Synthetic 0W-30 Motor Oil (SSO) (-60 degrees F) and AMSOIL 0W-20 Synthetic Motor Oil (ASM) (-65 degrees F). AMSOIL synthetic motor oils help engines turn over easier and flow quickly to engine parts for critical startup protection. Engines start faster and wear is greatly reduced for extended engine life. AMSOIL motor oils are available in wide viscosity ranges for optimum performance year-round.

The Cold Crank Simulator Test determines the apparent viscosity of lubricants at low temperatures and high shear rates. Viscosity of lubricants under these conditions is directly related to engine cranking and startability. The lower a lubricant's cold crank viscosity, the easier an engine will turn over in cold temperatures. The low cold-crank viscosity of AMSOIL synthetic motor oil reduces drag on moving parts and allows engines to achieve critical cranking speed in frigid temperatures. Engines turn over quickly and dependably in the coldest winter temperatures and motor oil flows to critical areas requiring immediate lubrication, protecting against wear at startup.

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Beyond Motor Oil

Gear lubes face many of the same cold weather challenges as motor oils do, and the same basic differences between conventional and synthetic products apply to them as well. Synthetic gear lubes inherently possess superior cold weather performance characteristics and more readily provide dependable protection. While engines, transmissions and cooling systems use heat created by combustion to warm up, gear oils rely on friction to warm up, which is only generated once the gears begin to move. This initial movement in cold weather is the point at which gears are most susceptible to damage.

As temperature decreases, the viscosity of oil increases. Gear lubricants with high viscosity at cold temperatures are less efficient, and the gears require more energy to turn. Gears and bearings in the differential and axle housing are splash lubricated, and gear lubricants that are too thick at cold temperatures can channel and starve internal components of lubrication, which can cause failure. AMSOIL Severe Gear Synthetic Gear Lubes possess excellent cold flow properties, as evidenced in Brookfield Viscosity Test results. Extensive testing, the results of which are available in the AMSOIL A Study of Automotive Gear Lubes White Paper (G2457), and real world experience have proven the Severe Gear line's ability to deliver exceptional performance and protection at extremely low temperatures.

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Fuel Additives That Perform

Diesel applications can be especially sensitive to cold weather issues. As the temperature drops, the wax naturally found in diesel fuel begins to form crystals. The point at which wax crystals form is known as the cloud point. These wax crystals eventually clog the fuel filter and starve the engine of fuel, preventing it from starting. While low quality fuels may form wax crystals in temperatures as warm as 40 degrees F, most fuels have a cloud point near 32 degrees F.

The point at which the wax crystals clog the fuel filter is known as the cold filter plugging point (CFPP). AMSOIL Cold Flow Improver (ACF) lowers the CFPP by as much as 34 degrees F in ultra low sulfur diesel fuel (ULSD).

AMSOIL also offers Diesel Concentrate Plus Cold Flow Improver (DFC): a convenient combination of two fuel additives in one bottle. Diesel Concentrate Plus Cold Flow Improver delivers improved efficiency and cold temperature performance.

While Cold Flow Improver helps prevent diesel fuel from gelling in cold temperatures, AMSOIL Diesel Recovery (DRC) is an emergency diesel fuel treatment that dissolves the wax crystals that form when diesel fuel has surpassed its cloud point in applications not treated with Cold Flow Improver. Diesel Recovery liquefies gelled diesel fuel and thaws frozen fuel filters, avoiding costly towing charges and getting diesels back on the road.

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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.


"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.


AMSOIL Product Information

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What Drain Interval Does AMSOIL Recommended For Your Vehicle?
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