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Oil Selection & Filter Lookup Guide

AMSOIL provides the Best Possible Protection for your engines and machinery while saving you Money!

AMSOIL formulates a wide selection of synthetic lubricating oils for all types of engine and gear applications, including those for specialized vehicles and severe operating conditions. In addition, AMSOIL has developed sophisticated fuel additives, filtration systems and other companion products that supplement and extend lubricant performance.

Why synthetic?

Mobil 1
Tests prove that AMSOIL provides superior protection than Mobil 1.

Because synthetic lubricants are superior to conventional petroleum lubricants. Petroleum lubricants are refined from crude oil, a natural substance pumped from the earth and containing diverse chemicals. Some of the chemicals in petroleum oil are detrimental to the lubrication process and to the lubricated components. For example, some petroleum oil chemicals invite oxidation in high temperature operations. Oxidation quickly destroys lubricant integrity.

Synthetic lubes, on the other hand, are not refined from crude oil, but constructed from pure chemicals selected for their ability to lubricate. The purity of synthetic lubricant basestocks significantly reduces lubricant oxidation, which promotes the ability of synthetics to be used in higher tempresature applications than conventional lubes may be and promotes their ability to be used for extended drain intervals. In fact, AMSOIL synthetic lubricants are specifically formulated for extended drain intervals.

The molecular uniformity of carefully selected synthetic lubes promotes superior lubrication and friction reduction, which in turn promotes superior heat control, wear control and energy efficiency. Molecular uniformity also helps synthetics maintain their protective viscosity in high temperature operations, which also promotes superior wear control.

The superior performance and protection afforded your equipment by AMSOIL synthetic lubricants adds up to increased productive time and profits for you.

  1. Offers the latest technology for today's engines.
  2. Dramatically extends oil change interval.
  3. Less oil used with extended drains means less oil disposed.
  4. Increases fuel economy up to 2-5%.
  5. Reduces engine temperatures by as much as 25°.
  6. Provides dependable extreme cold start protection.
  7. Offers the finest engine oil filtration in the world.
  8. Reduces oil consumption and harmful emissions.
  9. Provides state-of-the-art additive systems and base oil stocks.
  10. Provides the most comprehensive and knowledgeable staff to answer your questions.
The true savings associated with using AMSOIL synthetic lubricants are the longevity and efficiency of your vehicle or machinery. But there are also direct savings associated with the frequency of oil changes. Bellow is a price breakdown of your costs associated with recommended oil changes using AMSOIL synthetic oil and conventional petroleum oils.
Conventional motor oil companies recommend 3,000-mile drain intervals
  Conventional 10W-30 Motor Oil
*(40 quarts needed for 25,000 miles)
@ 1.50/qt. x 40 = $60.00
  8 Standard Oil Filters @ 5.00 per filter x 8 = $40.00
Total $100.00
AMSOIL recommends 25,000-mile/1 year drain intervals
AMSOIL 10W-30 Synthetic Motor Oil
*(6 quarts needed for 25,000 miles)
@ 5.70/qt. x 6 = $34.00
2 AMSOIL Super Duty Oil Filters @ 10.00 per filter x 2 = $20.00
Total $54.20
  *Comparison based on 25,000 miles driven per year and 5-quart oil capacity, with one quart top-off for filter change.

This chart doesn't even take into account the actual costs associated with the oil change itself, or the time you spend either changing your oil, or taking your vehicle to your local service center.

AMSOIL will actually save you money on your out of pocket oil change expenses, while providing you the finest protection for your vehicle or machinery. The true value is the decrease in maintenance costs, improvements in gas mileage, and improved longevity of your investment.

Question: I just bought a new car, and I'd like to try AMSOIL. Could using AMSOIL void my new car warranty?

Users of AMSOIL Synthetic Motor Oil need not fear altering their warranty coverage. The contention that using an aftermarket product like AMSOIL Synthetic Motor Oil could void new car warranty protection is simply not true.

Major auto manufacturers and regulatory agencies have determined that warranties must cover all equipment failures they would normally cover that are not caused by the aftermarket product. Consequently, and AMSOIL user's new car warranty still covers all failures resulting from defective original equipment or faulty workmanship or faulty workmanship by the manufacturer.

The second element of your protection is the AMSOIL Limited Warranty (use AMSOIL Synthetic Motor Oil as recommended in mechanically sound equipment, and the warranty covers lubricant-related failures). Since AMSOIL motor oils have never once been deemed the cause of an engine's failure, however, this is merely added protection.

Question: I was always told to change my oil every 3,000 miles if I wanted to keep my car running well. How is it possible to drive 25,000 miles without an oil change using AMSOIL, and will extending my oil change interval void my warranty?

AMSOIL Synthetic Motor Oil is guaranteed to run for 25,000 miles or one year in a mechanically sound engine, providing, of course, the oil is kept free contaminants by changing the oil filter according to the manufacturer's recommendation or, when using an AMSOIL Oil Filter, changing the filter at six month or 12,500 miles, whichever comes first. AMSOIL coined the phrase "extended drain interval" and it's been validated by over 20 years of industry testing and by tens of thousands of motorists and millions of over-the-road miles. Based on their results, 25,000 miles is a conservative estimate!

AMSOIL Synthetic Motor Oil performs so well for so long because it doesn't break down in intense heat like conventional petroleum oils do. It doesn't form performance-robbing deposits and it doesn't volatize, which can adversely affect lubricant performance by altering viscosity and increasing oil consumption. Finally, AMSOIL's additive package, a key element in a lubricant's ability to function, holds up under engine stresses, remaining serviceable for the full 25,000 miles.

Note also that extending drain intervals, like using AMSOIL Synthetic Motor Oil in general, does not affect new car warranties. In fact, according to a General Motors representative, "Warranty applicability is contingent upon the cause of failure and generally covers defects in material and workmanship only." In other words, the only situation in which warranty coverage would change is the case of lubricant-related failure (in which case the AMSOIL Limited Warranty protects the consumer).

Question: AMSOIL costs more than my regular oil does. How can I justify paying this higher cost?

AMSOIL Synthetic Motor Oil is more expensive off the shelf than most petroleum oils. But comparing AMSOIL and other motor oils is like comparing apples and oranges: AMSOIL's performance so far exceeds that of conventional motor oil, it's really a different class of product. AMSOIL is a premium product that rightfully commands a premium price.

Like anything of real value, however, the true consumer cost doesn't end with the off-the-shelf price. AMSOIL Motor Oil is extremely cost effective compared to conventional 3,000-mile drain interval oils in savings realized in fuel economy, reduced repairs, fewer oil changes, reduced downtime, reduced maintenance and extended engine life.

Question: I bought a new car a year ago, and I've been running petroleum motor oil in it ever since. Could switching to AMSOIL now cause mechanical problems?

Switching from petroleum motor oil to AMSOIL (or even mixing the two, if the need arises) is perfectly safe. AMSOIL is 100 percent compatible with petroleum oils. Mixing AMSOIL and petroleum is not recommended (having petroleum motor oil mixed in detracts from the superior performance of AMSOIL), but there is no danger in doing so. Those who have been using petroleum motor oil in their mechanically sound vehicles can switch to AMSOIL safely. Petroleum motor oil and AMSOIL Synthetic Motor Oil are only incomparable in the way they perform, not incompatible.

Question: I've been using a petroleum motor oil since I started driving - that was a long time ago. Why should I switch to AMSOIL when I haven't had any problems with what I'm using?

Chances are, you're not driving the same car you were when you started driving. Automotive technology has changed a great deal, even in just the past few years. Today's cars have more power, use less gas and have smaller engines than ever before. High performance mixed with small engines means high stresses and increased demands on motor oil.

How expanding technology and modern engine needs affect motor oil is a primary concern of AMSOIL engineers. High-tech engines need high-tech oils like AMSOIL Synthetic Motor Oil- designed, not refined. AMSOIL Synthetic Motor Oil's basestock is composed of uniform molecules chosen for their lubricating characteristics. Petroleum oils are a hodge-podge of molecules; some lubricate, others detract from the ability to lubricate. The bottom line? AMSOIL's engineers can design their motor oil to meet the needs of you and your vehicle, petroleum refiners can't.

Using an oil designed for today's needs can make a world of difference for you and your automobile by oil changes, easier starts in cold weather, better gas mileage and longer engine life. You can also expect better engine performance. These factors and the overall savings realized by using AMSOIL Synthetic Motor Oil make switching to AMSOIL the smart and easy choice!

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