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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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Lawn Care Business Converts to AMSOIL

Gale Salyers doesn't know yet how much he'll save using AMSOIL lubricants in his lawn maintenance machinery, but one benefit was immediately apparent.

"I don't have to gag on smoke and exhaust when I'm using my gas powered hedge trimmers," Salyers said. "With regular petroleum based oil, I had smoke and fumes in my face and oil on my shirts all the time since the trimmer is held at chest level. Now I have no smoke or carbon buildup."

Salyers, who owns and operates Eden Lawn Care with his wife and son in Clermont, Florida, was introduced to AMSOIL 2-Cycle Oil buy one of his customers.

"I had thought about switching to a synthetic oil," Salyers said, "but my attitude was, if it's not broke, don't fix it." Then he was given a couple of packets of the AMSOIL 100:1 2-Cycle Oil. "That sold me on it right away," he said.

Eden Lawn Care services more than 100 customers each week in the Clermont area, one of the fastest growing areas in the United States. In business for 16 years, the Salyers have two trailer loads of machinery, including Dixie Choppers and John Deere walk behinds. Salyers just switched to AMSOIL motor oil in his four-stroke engines and plans to perform scheduled maintenance every six weeks instead of every two. He already has influenced a great many of the area lawn care companies to switch to AMSOIL as well.

"I've been around this machinery a long time, and I've used just about every type of oil," Salyers said. "And this is by far the best I've used in 16 years. It is just a great product."

Maximum Protection for Lawn Care Equipment

Lawn care equipment engines often run hot, sacrificing equipment life. Conventional petroleum motor oils are poorly suited for the operating temperatures of this equipment, quickly experiencing oxidative and thermal breakdown and accelerated engine wear. In addition, many four-cycle lawn equipment applications do not include oil filters, so oil dispersants must keep contaminants and wear particles suspended in the oil until it is drained. As petroleum oil breaks down, these cleaning additives are quickly depleted, causing deposits and sludge to build up and resulting in premature engine wear.

AMSOIL Synthetic Motor Oils are ideal for use in four-cycle lawn care equipment, including tractors, mowers, sweepers and sod cutters. AMSOIL Motor Oils provide a wide range of protection for four-cycle engines, avoiding oxidative and thermal breakdown in high temperature, high RPM conditions, maintaining their lubricating and cooling abilities and dramatically reducing friction and wear. AMSOIL Synthetic Motor Oils are formulated with top of the line additive packages that safely hold contaminants in suspension, while protecting engines against condensation and water even when they're not in use.

AMSOIL Synthetic 10W-30 and 10W-40 Motor Oils and 0W-40 Formula 4-Stroke Synthetic Motor Oil provide outstanding protection in four-cycle lawn care equipment applications and are recommended as replacements for manufacturer recommended SAE 30 oils.

AMSOIL Saber Professional Synthetic 100:1 Pre-Mix 2-Cycle Oil provides outstanding protection for two-cycle lawn care equipment, including trimmers, blowers, mowers, tillers, chain saws and chop saws. Its high film strength virtually eliminates metal to metal contact and keeps friction, heat and wear to an absolute minimum. Formulated with high temperature detergent additives, Saber Professional prevents hard carbon deposits, and its lean 100:1 mix ratio reduces plug fouling, exhaust smoke, smell and pollution, while improving engine performance.

AMSOIL Saber Professional Synthetic 100:1 Pre-Mix 2-Cycle Oil

  • Smokeless Formula
  • At 100:1, Saber Professional produces 30 percent lower emissions than oils mixed at 50:1
  • One mix ratio for everything eliminates confusion
  • Versatile and very good for many applications
  • Cost effective compared to oils mixed at 50:1 or richer
  • Lean mix ratio prevents plug fouling and exhaust port deposits

Why is AMSOIL Synthetic Oil Better?

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AMSOIL Product Information

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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."


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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Which AMSOIL Products Are Recommended For Your Car or Truck?
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What Drain Interval Does AMSOIL Recommended For Your Vehicle?
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