Synthetic Motor Oil Comparison Testing Information

Comparisons between petroleum oils & synthetic oils can be tough, but it’s much easier when you’ve go the test data and specifications. The following categories and articles should provide everything you need to make an objective comparison of motor oils so that you can make an educated decision.

NOACK Volatility: A Critical Measurement of Quality

by AMSOIL Synthetic Motor Oil Dealer

Part 5 of 5 in the series: Comparison Testing

Part 5 of 5 in the series: Comparison TestingAMSOIL was the first motor oil company in North America to use the NOACK volatility test to measure motor oil quality and performance. Although competing motor oil companies initially paid no attention to NOACK results, the test has since become a critical measurement tool throughout the industry. […]

MERCON® V Aluminum Beaker Oxidation Test

by AMSOIL Synthetic Motor Oil Dealer

Automatic transmission technology has quickly evolved in recent years, and automakers are demanding higher quality, longer lasting transmission fluids to protect these transmissions in extreme conditions. In fact, Ford Motor Company recently retired its MERCON® automatic transmission fluid specification. Its current MERCON V specification requires significantly improved anti-oxidation, antiwear and anti-shudder properties over previous specifications. […]

Superior Filtration = Reduced Costs, Extended Life

by AMSOIL Synthetic Motor Oil Dealer

Part 4 of 5 in the series: Comparison Testing

Part 4 of 5 in the series: Comparison TestingA great deal of emphasis is placed on the importance of using of the most advanced high-quality lubricants, but superior filtration is often taken for granted. The general attitude displayed by many consumers is to use whatever is cheapest, even when they’ve invested in superior lubrication. While […]

AMSOIL 10w30: API Sequence IIIF Test

by AMSOIL Synthetic Motor Oil Dealer

Part 3 of 5 in the series: Comparison Testing

Part 3 of 5 in the series: Comparison TestingThe Sequence IIIF test is a stringent API SL, ILSAC GF-3 test designed to measure oil thickening and piston deposits in high temperature service, as well as provide information on valve train wear. The test is designed to emulate high-speed service under high ambient conditions. Objective Subject […]

AMSOIL 10w30 Comparative Testing

by AMSOIL Synthetic Motor Oil Dealer

Part 2 of 5 in the series: Comparison Testing

Part 2 of 5 in the series: Comparison TestingAMSOIL Synthetic 10W-30 Motor Oil (ATM) and 10 competing conventional, synthetic and synthetic blend 10W-30 motor oils were subjected to a series of motor oil tests. The competing oils included petroleum-based Castrol GTX, Chevron Supreme, Shell Formula, Valvoline SynPower, Mobil1 Extended Performance, Motorcraft Synthetic Blend, Kendall GT-1 […]

AMSOIL Synthetic Gear Lube Outperforms Valvoline

by AMSOIL Synthetic Motor Oil Dealer

AMSOIL submitted its 75W-90 Synthetic Gear Lube (FGR) and Valvoline 75W-90 Gear Lube to an independent laboratory for quality comparison tests. The gear lubes were tested according to ASTM testing procedures in several critical performance areas, including oxidation resistance, viscosity retention and cold temperature fluidity. Oxidation resistance was measured using the L-60-1 Thermal Oxidation Stability […]

A Study of Motorcycle Oils

by AMSOIL Synthetic Motor Oil Dealer

Part 1 of 5 in the series: Comparison Testing

Part 1 of 5 in the series: Comparison TestingThe second edition of the AMSOIL “Study of Motorcycle Oils” (part # G2156) is now available. See how 32 of the top selling motorcycle oils compare in the most critical areas of motorcycle performance. This no-frills study was designed to help consumers make informed decisions when selecting […]

AMSOIL Synthetic Gear Lubes: Superior Shear Stability

by AMSOIL Synthetic Motor Oil Dealer

The extreme pressures and temperatures generated by modern vehicles increase stress on gear lubricants and can lead to a serious condition known as thermal runaway. As temperatures in the differential climb upward, gear lubricants lose viscosity and load carrying capacity. When extreme loads break the lubricant film, metal-to-metal contact occurs, increasing friction and heat. This […]

So What – Everyone Claims to Be Best

by AMSOIL Synthetic Motor Oil Dealer

Part 2 of 7 in the series: AMSOIL is the Best Synthetic Motor Oil

Part 2 of 7 in the series: AMSOIL is the Best Synthetic Motor OilYou are absolutely right. It seems that every day there is a new synthetic oil or oil additive manufacturer claiming that they have the best product for your vehicle. It’s in their best interests to do so. It’s in AMSOIL’s best interests […]

Why Use AMSOIL Synthetic Oil & Filters?

by AMSOIL Synthetic Motor Oil Dealer

Below is a table showing what the inside of your engine will look like using AMSOIL Synthetic Lubricants! These examples are taken from a Mack truck that was torn down after going 409,000 Miles on the same oil and an AMSOIL bypass oil filter! Backed by Oil Analysis The following two charts indicate that AMSOIL […]