Motor Oil & Diesel Oil Comparison Testing

Wondering if AMSOIL synthetic motor oils & diesel oils are REALLY everything we say they are? Just look at the test data. See any of the articles below for more details.

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. […]

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 […]

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 […]