ASTM Test Results 2003, AMSOIL Comparative Motor Oil Testing

Here are the Facts with Scientific Proof

Each of these test values determines your vehicle performance, fuel efficiency, smooth and trouble free operation for extended periods of time. AMSOIL goes HEAD-TO-HEAD with the big boys on a LEVEL PLAYING FIELD and makes a fair comparison showing the differences between AMSOIL's synthetic oil compared to Castrol and Mobil One's synthetic motor oil, as well as Valvoline, Pennzoil and others that you may be using now! Just one of these test result is enough to convince a critic the importance of using Amsoil. Up to 1 year or 35,000 Km drain interval saves you money, while your engine performs brilliantly year after year!

Four Ball Wear Test (ASTM D-4172)

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The Four Ball Wear Test determines the wear protection properties of a lubricant. Three metal balls are clamped together and covered with the test lubricant, while a rotating fourth ball is pressed against them in sliding contact. This contact typically produces a wear scar, which is measured and recorded. The smaller the average wear scar, the better the wear protection provided by the lubricant. As shown in the graph, AMSOIL Synthetic 0W-30 Motor Oil produced the smallest wear scar of the tested lubricants.

"There Are Only Two Types of People Who Don't Use AMSOIL"
Those That Don't Know About It and Those Whose Equipment Isn't Worthy

Thin-Film Oxygen Uptake Test (ASTM D-4742)

The Thin-Film Oxygen Uptake Test evaluates the oxidation stability of lubricating oils. As shown in the graph, AMSOIL Synthetic 10W-30 Motor Oil had the highest induction time of all the tested oils. In fact, it didn't reach its break point in over 500 minutes of testing.

The superior oxidation stability of AMSOIL Synthetic 10W-30 Motor Oil allows it to effectively resist the formation of engine deposits and sludge, keeping engines running clean and efficient and extending oil life. It also resists thickening, maintaining its superior wear protection and lubricating properties and maximizing fuel efficiency. Click here for API Sequence III F test results.

NOACK Volatility Test (ASTM D-5800)

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.

As shown in the graph, AMSOIL 10W-30 Synthetic Motor Oil outperformed its nearest competitor by over 30%. The extremely low volatility of AMSOIL Synthetic 10W-30 Motor Oil allows it to maintain its superior protective and performance qualities throughout extended drain intervals. In addition, oil consumption and emissions are minimized and fuel efficiency is maximized. Click here for API Sequence III F test results.

The Pour Point Test (ASTM D-97)

The Pour Point Test determines the lowest temperature at which a lubricant will flow. The lower a lubricant's pour point, the better protection it provides in low temperature service. As shown in the graph, AMSOIL Synthetic 10W-30 Motor Oil has the lowest pour point of the tested oils.

The low pour point of AMSOIL 10W-30 Synthetic Motor Oil allows it to maintain its fluidity in extremely low temperatures, reducing drag on moving vehicle parts, providing critical engine components with quick, essential lubrication and easing startup in cold temperatures. Wear is substantially reduced and equipment life is extended. Click here for API Sequence III F test results. Note: AMSOIL 0W 30 pour point is -54°C (-65°F) and is better than the grade illustrated above.

More Real Life Illustration of the Above Mentioned Properties

A fleet of New York city commuting Taxies was tested for 96,000 Km's or 60,000 miles. One group used Amsoil without an oil change for the entire test period and the other group used conventional oil changed at 4800 km or 3000 mile interval. Click Here to learn more.

See the difference!

The 5000 Km / 3000 miles motor oil change is nothing but a money generating plan which virtually guarantees your vehicle's engine and power train will wear out at an early age when using any petroleum based motor oil. This is precisely what they want! That way you have to buy a new vehicle often.

Isn't it about time you learned the truth? Click Here to Learn what the auto manufacturers and your "friendly" dealership doesn't want you to know about AMSOIL synthetic motor oil for your vehicle's engine.

Compare AMSOIL with other oil companies.