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"A Study of Motorcycle Oils"  (1MB PDF)
The most comprehensive motorcycle oil testing in history. 26 oils compared. 28 pages of documentation.

Press Releases

AMSOIL Introduces New Marine Gear Lube
Exceptional Protection Against Wear From Water Contamination
 

AMSOIL INC. of Superior, WI has introduced a newly formulated Synthetic Marine Gear Lube with exceptional anti-wear protection, even when contaminated with as much as 10% water. This extreme pressure formulation controls damage from shock loading caused by propeller cavitation, making it excellent for fast accelerating, high horsepower applications. AMSOIL Synthetic Marine Gear Lube offers superior protection in one of the world's harshest and most demanding environments.

AMSOIL Marine Gear Lube is recommended for fresh and salt water applications requiring either a 75W-90 or 80W-90 gear lube meeting API GL-4 or GL-5 performance standards. Examples include: Lower Units: Mercury/Mariner, Johnson/Evinrude, Bombardier, Honda, Yamaha, Suzuki, Force/US Marine, Nissan, Tohatsu, Harbormaster. Sterndrives: Mercruiser-Bravo, OMC/Bombardier, Volvo-Penta, Yanmar, Konrad, Marine Drive Systems. V-Drives: Casale & Menkens. Bow Thrusters: Harbormaster Marine. Marine Transmissions: ZF Marine Transmission.

Additional Features:
~ Resists Heat and Thermal Breakdown
~ Conditions Seals to Minimize Leakage
~ High Load Carrying Capacity
~ Compatible With Other Marine Gear Lubes

AMSOIL Marine Gear Lube is available in quarts, 5-gallon pails, 16-gallon kegs and 55 gallon drums.
For more information, or to find the product application for your needs, visit: www.amsoil.com/storefront/agm.aspx
 

News Contact:
Ed Newman
Marketing & Advertising Manager
Ph. 715-392-7101
enewman@amsoil.com

Reformulated Propylene Glycol Antifreeze/Coolant from AMSOIL® Combines Many Great Features

AMSOIL INC. of Superior, Wisconsin, has introduced a revolutionary new Propylene Glycol Antifreeze and Engine Coolant. The new AMSOIL Antifreeze/Coolant is universal in application and ideal for use in both gas and diesel powered automobiles, RVs, light and heavy duty trucks. It is completely compatible with other EG coolant formulations including DEX-Cool®, Sierra®, and Zerex®.

AMSOIL Propylene Glycol Antifreeze and Engine Coolant has an extremely long life span, up to seven years or 250,000 miles in passenger cars and 750,000 miles in over-the-road diesel trucks. Using a breakthrough poly organic acid technology the product plates to metal to prevent corrosion, improves protection against liner pitting and even seals hairline cracks to prevent leaks. The new antifreeze/coolant is resistant to corrosion of aluminum, iron surfaces and solder points.

Because of its low toxicity disposal is less of an issue than typical antifreeze. In the case of accidental ingestion AMSOIL Propylene Glycol Antifreeze and Engine Coolant is safer for children and pets than ethylene glycol coolants which are sweet tasting and highly toxic.
 

News Contact:
Ed Newman
Marketing & Advertising Manager
Ph. 715-392-7101
enewman@amsoil.com

ExxonMobil Joins AMSOIL® in the Extended Oil Drain Push

For the first time since AMSOIL INC. introduced the concept of "extended drain" oil 33 years ago, another major brand of oil has entered the extended drain arena, a further push toward changing the length of oil drain intervals forever. Last week ExxonMobil introduced its new 15,000 mile oil. AMSOIL INC. of Superior, Wisconsin, globally recognized as the first fully synthetic oil to meet American Petroleum Institute service requirements, has been designing and manufacturing the extended oil change motor oil since 1972. From that time to the present AMSOIL has touted a 25,000 mile or one year oil change interval.

According to AMSOIL Vice President Alan Amatuzio, the introduction of ExxonMobil extended drain oil is long overdue. "While AMSOIL INC. has certainly proven that extended drain intervals provide valuable benefits," said Amatuzio, "the fact that ExxonMobil is finally saying the same thing brings the message to even more people. ExxonMobil's move is significant in that more consumers will now recognize AMSOIL as the pioneer in extended drain oils and will benefit from the advanced technology we introduced 33 years ago."

By the late 1990's most large oil companies offered a synthetic motor oil in their product line, but none of these companies other than AMSOIL pushed drain intervals beyond the 3,000 mile change recommendation. Average oil change intervals in Europe are 10,000 miles with many vehicles recommending 15,000 mile and longer change intervals. The shorter U.S. drain interval results in millions of gallons of unneeded oil production and more than a billion dollars a year in consumer spending.

The environmental benefits of extended drain intervals include reduced packaging waste, use of natural resources and greatly reduced need for disposal of used oil. In addition, independent tests have demonstrated improved fuel economy when synthetic lubricants are used in the engine and throughout the drivetrain.

News Contact:
Ed Newman
Marketing & Advertising Manager
Ph. 715-392-7101
enewman@amsoil.com

New Long Life Synthetic Gear Lubes from AMSOIL

AMSOIL INC. of Superior, WI has two new gear lube formulations specifically for extended service life up to 500,000 miles in over-the-road trucks. Available in 75W-90 and 80W-140 viscosities, AMSOIL Long Life Synthetic Gear Lubes are engineered to protect gears better than conventional gear oils, resisting acid, carbon and varnish formation and oxidative breakdown.

Features and benefits of AMSOIL Long Life Synthetic Gear Lubes include:
· Protects against wear for improved equipment life
· Shear stability for consistent viscosity throughout its service life
· Greater range in operating temps for excellent "All Season" performance

Formulated specifically for Class 8 heavy-duty trucking, these oils meet Arvin/Meritor (O-76E, O-76N for 75W-90) and (O-76A, O-80 for 80W-140) for petroleum and synthetic oil viscosities, GO-J, GO-J+ specifications set by Mack, and Dana SHAES 256 for 500,000-mile oil drains. Both oils are still very good recommendations for the automotive market as well. AMSOIL Long Life Synthetic Gear Lubes also meets API GL-5 & MT-1, MIL-PRF-2105E, Navistar TMS 6816, plus hypoid gear oil specifications from all foreign and domestic manufactures such as GM, Ford and Daimler Chrysler. For more information, or to find the product application for your needs, visit:

SAE 75W/90
SAE 80W/140 

ExxonMobil Follows AMSOIL into Extended Drain Market

Motor oil technology has gradually progressed since the days of the earliest automobiles. In those days, standard motor oil drain intervals were between 500 and 1000 miles, and motorists had to switch viscosity grades with the changing of the seasons. The development of oil filtration and additive technology in the 1930s allowed drain intervals to increase to 2000 and later 3000 miles, while the development of viscosity modifiers in the 1940s allowed the formulation of multi-grade oils that could be used in both hot and cold temperatures.

According to AMSOIL Vice President Alan Amatuzio, the introduction of ExxonMobil extended drain oil is long overdue. "While AMSOIL INC. has certainly proven that extended drain intervals provide valuable benefits," said Amatuzio, "the fact that ExxonMobil is finally saying the same thing brings the message to even more people. ExxonMobil's move is significant in that more consumers will now recognize AMSOIL as the pioneer in extended drain oils and will benefit from the advanced technology we introduced 33 years ago."

ExxonMobil recently announced a new line of motor oils recommended for extended drain intervals.
It was only a matter of time before another company followed the path forged by AMSOIL over 30 years ago. Some motorists may recall that Mobil also followed AMSOIL into the synthetic motor oil business, introducing its synthetic motor oil several years after AMSOIL. The technology for extended oil drains is obviously available, but until now, the major oil companies have had other agendas. Marc Graham, who is president of Pennzoil-Quaker State-owned Jiffy Lube International, was quoted in a 2001 Lubricants World interview as saying, “At [PQS] we use a number internally that if we [shortened the drain interval] by 100 miles [for each car serviced], it would mean an additional $20 million in revenue for the company.” He also explained that “if we could move our customers to get one more oil change per year, it’s worth $294 million for the oil change alone and $441 million in revenue, when you include the ancillary products and services customers typically buy along with the oil change.”

Mobil backed off 25,000 mile oil change intervals in 1974.
Mobil briefly recommended 25,000 mile oil drains in the 1970’s. It’s not difficult to figure out who they were trying to compete with. AMSOIL was the only other company offering synthetic motor oils and recommended 25,000 mile drain intervals. However, it may be that because vehicle manufacturers weren’t yet comfortable with extended drain intervals, Mobil retracted its extended drain recommendations and simply recommended motorists follow the intervals specified in their vehicle’s owners manual. Of course, traditional oil change recommendations also allow Mobil and other motor oil companies to sell a lot more oil. Everyone wins but the customer.

AMSOIL stands apart from the competition.
AMSOIL has always formulated its products to be the absolute best, continually researching ways to make its already outstanding products even better. Other oil companies, however, are beholden to shareholders, and one could speculate that their incentive is to maximize profit. They formulate oils down to a price, rather than formulating them to be the best they can be. Then, they price their products to maximize profits. In addition, AMSOIL has 33 years of experience blending premium extended drain synthetic oils. That’s 33 years worth of proven performance in the field.

A close look at ExxonMobil’s new long drain motor oil line reveals that two are petroleum based, one is a synthetic blend and only one, Mobil 1 Extended Performance, is a full synthetic. The petroleum based products are recommended for 5000 mile drains, the synthetic blend for 7500 mile drains and Extended Performance for 15,000 mile drains. However, a look at the fine print reveals that ExxonMobil is still recommending drivers follow the oil drain recommendations listed in their owners manuals during the warranty period. AMSOIL synthetic motor oils are recommended for 25,000 mile or one year drain intervals in both new and older vehicles. The AMSOIL warranty stands behind this recommendation.

AMSOIL has recommended 25,000 mile/one year drain intervals since 1972.
AMSOIL delivers the highest quality lubricants on the market. It’s the AMSOIL identity, and it’s what customers expect. Al Amatuzio coined the phrase “extended drain interval,” and from the beginning, AMSOIL synthetic motor oils have been formulated for extended drain intervals.

Vehicle manufacturers are pushing for extended oil drain intervals.
Vehicle manufacturers in Europe have been recommending extended oil drains for years. In fact, the average drain interval in Europe is 10,000 miles. Vehicle manufacturers in the United States are definitely coming around to extended oil drains as well. Most owners manuals from recent model vehicles recommend 5000 to 7500 mile oil drain intervals. In addition, oil life monitors have become increasingly common on today’s vehicles, allowing and encouraging motorists to increase drain intervals up to 12,000 miles, even when using conventional oil. Vehicles equipped with an oil life monitor no longer recommend oil changes based solely on mileage. The system measures engine operational data such as temperature, revolutions and speed to determine when the oil is nearing the end of its life.

The motor oil industry is faced with the extended oil drain interval issue.
The success of oil life monitors has posed a threat to motor oil companies who insist oil must be changed every 3000 miles. It becomes increasingly difficult to maintain this position when vehicle manufacturers are recommending significantly longer intervals with the use of their oil monitoring systems. This is no doubt one of the reasons ExxonMobil finally introduced a line of long drain motor oils.

AMSOIL products are available for less.
The suggested retail price of the top oil in ExxonMobil’s new line, Mobil 1 Extended Performance, is $5.79 to $5.99 a quart. That’s right in line with AMSOIL 5W-30 and 10W-30, which retail for $5.95 a quart. By registering as an AMSOIL Preferred Customer, customers pay only $4.85 a quart, and even less when purchasing by the case.