Comparison of AMSOIL SDF Oil Filters
to other leading brands

Oil filters need to do these following functions:

1. Flow enough oil to keep your engine lubricated at all times

2. Keep oil contaminants out of your engine (up to a certain size)

3. Store those contaminants to keep your oil cleaner

Oil is the life blood of your engine. Its constant flow is essential for proper lubrication of engine components and the prevention of friction, heat and wear. Engine components rely on the oil circulation system to deliver a steady and adequate supply of motor oil, and it is up to the oil filter to ensure fast and efficient flow through its media.

Automotive experts agree that dirt is the number one cause of engine wear.  At first glance, it does not seem possible.  Engine dirt particles are so small - mere dust specs - and an engine is a highly sophisticated piece of machinery, crafted from the most durable metal alloys.  How can these minute particles bring down such a high-tech giant? 

The answer lies in the fact that dirt particles are extremely abrasive.  They consist of razor-like flakes of road dust and airborne grit drawn  into the engine through the air intake, as well as manufacturing scarf and wear metal particles generated inside the engine. (see below)

These particles are carried by the oil into the precision clearances between bearings and other moving parts.  Once they work in between these parts, they grind and gouge surfaces, altering clearances, and generating more abrasive debris.  As this wear cycle continues, precision components become progressively sloppy and fatigued until they fail altogether.

To be the best oil filter, it must score at the top in both contamination capacity and filtration efficiency tests. You need both to be an effective oil filter. Merely stating a high contamination capacity or high filtration efficiency and not the other test is like comparing apples to oranges.

The following test results are from an industry standard test. No other oil filter manufacturer's will post the true results of these tests but one, AMSOIL.

The graphs below shows the time-weighted efficiency of nine full flow oil filters using SAE test method HS 806B. All filters are of the same size and are recommended for the same application. Test results indicate that the AMSOIL SDF-15 offers up to 36 percent greater filtration efficiency than competing oil filters.
(Click on picture for larger image)	(Click on picture for larger image)
Contamination capacity shows how much an oil filter can hold before it starts to loose oil flow and the ability to filter properly	Filtration efficiency shows how well an oil filter can trap contaminants

 
AMSOIL SDF oil filters outperform all other oil filters.

They are also the only oil filter capable of going 12,500 miles or 6 months (whichever comes first) before they have to be changed in a gasoline engine. If you have a light duty diesel engine you will change them at 7,000 miles or 6 months (whichever comes first).

By using an AMSOIL SDF oil filter you can be secure in knowing you have the absolute best full flow oil filter that is on the market protecting your engine.

For more information on AMSOIL SDF oil filters and how you can order them click here.

For those of you that would like to virtually eliminate engine wear and possibly travel 100,000 miles or more one one oil change our AMSOIL By-Pass systems are what you are looking for.

If you would like a FREE AMSOIL catalog and/or a cd-rom containing technical information, specifications, retail and Factory Direct Wholesale Prices, dealer application and other crucial information regarding AMSOIL Ultra Premium Synthetic Motor Oils and Filtration Products plus much, much more please use our free catalog/info link and your packet will be shipped promptly. Your name and address will be held strictly confidential. Also, please inform us of any special interests you have (diesel, motorcycle, racing, etc.) so that we can include additional material pertaining to your special interests and vehicles. AMSOIL is the undisputed leader in synthetics... AMSOIL is Proudly Made in the U.S.A.

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