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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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AMSOIL Impresses Kwik Kar Lube Owners

Tom and Kay Garrett are having good luck with AMSOIL products. The Garretts own the Kwik Kar Lube and Wash in Grapevine, Texas, and carry many AMSOIL products.

"The XL Motor Oils are the most cost-effective that we offer, with XFL 5W-30 the largest seller," said Tom Garrett. "For those customers who want the best for their cars, we also offer the AMSOIL Oils Filters."

The Garretts also carry AMSOIL Synthetic Automatic Transmission Fluid.

"Texas heat puts a lot of stress on our customers' cars, and the auto manufacturers are specifying higher quality transmission fluids," said Garrett. "Having the best products available enables us to protect our customers' cars, and is also keeping my business ahead of the pack in a competitive industry," Garrett added.

Recently Garrett simplified the store's gear lube inventory by converting to AMSOIL exclusively.

"We used to have five or six pails of gear lube, plus product in our bulk gear lube tank," said Garrett. He said the old method often created problems for his employees to locate and dispense the correct product.

"Our new method of having the 75W-90 in bulk handles most of our needs, with the 80W-140 on hand for heavy duty applications," Garrett said, "It has simplified our operation and we haven't had any customer complaints about the price of gear lube service."

Garrett said displaying AMSOIL products such as motorcycle oil, filters and two-cycle oil in his customers waiting area has boosted sales as well.

"Many of my customers have motorcycles, jet skis or boats," said Garrett. "While they're waiting for their cars to be serviced they can look at some of the other products they frequently use." Garrett added that the chrome motorcycle oil filters and the 20W-50 Motorcycle Oil attract a lot of attention and frequently end up as added sales on the ticket.

Garrett is becoming more impressed with AMSOIL all the time and is thinking about carrying even more products.

"I just finished a year's use of AMSOIL 0W-30 in my personal car," said Garrett. "We're definately considering offering the 25,000-mile drain oils to our customers."

DOMINATOR Solves Engine Issues

Tom Donahue has switched to AMSOIL DOMINATOR Synthetic 2-Cycle Racing Oil and is having impressive results. Donahue races his 2000 Yamaha GP1200R 1200cc, 155 hp personal watercraft.

"Out of the box, it would go about 63 mph, not fast enough for Limited Class Racing," said Donahue. "As I began modifying the engine to gain horsepower, I began having reliability issues,"

Donahue said he installed a milled head and an after market exhaust system and soon had a non-running motor. Upon disassembling the engine, Donahue could see the problem appeared to be too much heat being generated between the pistons and cylinders.

"I decided to switch to pre-mix fuel and spent probably $500 repairing damage to the cylinders," said Donahue.

No more than 40 hours later, he had the same problem.

"After rebuilding the engine a second time, I switched to AMSOIL, and that was 80 hours ago," said Donahue. "I pulled the head off the engine, and the crosshatching on the cylinders is as visible as the day I had them machined."

"I have 100 percent confidence in your oil to run a two- to four-hour endurance race, and know I will have a running motor when it is over," said Donahue.

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.

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