About Gratta Oil

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David M. Gratta of Gratta Oil was first introduced to Amsoil by his father in 1972, when his father decided to use Amsoil motor oil for their automotive and agricultural machinery operations on their family farm.

While other companies brag about their quality, there is absolutely no motor oil on the market today at any price that outperforms the synthetic lubricants offered by Gratta Oil. It is for this reason of superior performance and added protection that Gratta Oil offers the quality and performance of Amsoil to its well established customer base.

If knowledge, talent, and experience are important to you in the selection of an independent Amsoil dealer, you will find Gratta Oil to be your first choice for peace of mind, confidence and quality. Thank you, for choosing Gratta Oil.


We ship promptly nationwide, and international shipment worldwide can be arranged by calling 601-520-1455, or by fax at 210-222-8863. Thank you for considering our products.


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As a jet fighter squadron commander LIEUTENANT COLONEL ALBERT J. AMATUZIO had ample opportunity to witness synthetic lubricants in action. These oils are used exclusively in jet engines because of three extraordinary performance characteristics: an ability to reduce friction and wear on engine components, an ability to function dependably at severe temperature extremes and an ability to withstand rigorous and lengthy engine operation without chemical breakdown.

Recognizing that these same benefits would prove invaluable in combustion engines, Al Amatuzio formulated the first synthetic motor oil in the world to meet API service requirements for automobile engines. The new lubricant performed like no other before it. When the first can of AMSOIL 10W-40 appeared on the market in 1972, it signaled the birth of an entire industry. AMSOIL synthetic lubricants have expanded the boundaries of lubrication science and redefined the performance possibilities of modern machinery and engines.

AMSOIL INC. was founded on Al Amatuzio’s desire for technical innovation, his commitment to high quality and his belief that consumers would respond to a superior product. The company has remained true to these ideals; its history is a checklist of revolutionary products that have withstood the tests of time. As the pioneer corporation in the field of synthetic lubrication, AMSOIL sees its Commitment to Excellence as a historical responsibility, and A.J. Amatuzio’s energy and vision continue to drive the company forward. ...inspire


A Commitment to Excellence


As a jet fighter squadron commander Lieutenant Colonel Albert J. Amatuzio had ample opportunity to witness synthetic lubricants in action. These oils are used exclusively in jet engines because of three extraordinary performance characteristics: an ability to reduce friction and wear on engine components, an ability to function dependably at severe temperature extremes and an ability to withstand rigorous and lengthy engine operation without chemical breakdown.

Recognizing that these same benefits would prove invaluable in combustion engines, Amatuzio began conducting serious research in 1963. By 1966 he had formulated a synthetic motor oil and put it to use in vehicles in northern Minnesota. Throughout the late '60s Amatuzio continued his research and development and sold commercially available synthetic oils under a variety of names. In 1970 he incorporated his own name into a commercially sold product called AMMOIL. In 1971 this product name was changed to AMZOIL and it continued to be sold commercially.

The true milestone came in 1972 when AMZOIL became the first synthetic motor oil in the world to meet American Petroleum Institute criteria. The new lubricant performed like no other before it. When the first can appeared on the market in 1972, it signaled the birth of an entire industry. AMSOIL synthetic lubricants have expanded the boundaries of lubrication science and redefined the performance possibilities of modern machinery and engines.


Know the Facts - AMSOIL Saves You Money!

AMSOIL extended drain intervals means fewer oil changes, long term savings and convenience. Even if you drive only 12,000 miles per year, the cost for AMSOIL motor oil is less than you pay for petroleum oil now! And you still get better wear protection, lower engine temperatures, improved fuel efficiency and easier cold-weather starts. All of these benefits add up to reduced operating costs and longer engine life. Change your oil and filter today and in 12 months change the oil and filter again. That's it! What could be more convenient and good for your vehicle, too?

See the cost comparison chart.


Better Fuel Economy


Fuel economy is becoming more important with each passing year. Gas and diesel prices keep rising, putting a major strain on businesses that rely on vehicles and heavy equipment in their daily operations. AMSOIL synthetic lubricants improve fuel economy by allowing moving parts to move more freely, using less energy and creating less friction than when conventional lubricants are used.

The use of AMSOIL synthetic motor oil, gear lubes and transmission fluids can have a profound impact on fuel economy. Industry tests demonstrate an average conservative decrease in fuel consumption by two to five percent by switching to synthetic lubricants. Many AMSOIL customers report even larger gains in fuel economy.