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AMSOIL Performance Test Results


Double-Length Sequence IIIG Engine Test StudyDouble-Length Sequence IIIG Engine Test Study (520k PDF) An evaluation of AMSOIL Signature Series 5W-30 Synthetic Motor Oil in standard and double-length Sequence IIIG Engine Tests. Determine the performance of AMSOIL Signature Series 5W-30 Synthetic Motor Oil in the Sequence IIIG engine test after doubling the standard test interval to 200 hours.

Extreme
Dynamometer Heat TestingV-Twin Extreme Dynamometer Heat Testing (584k PDF) In a dynamometer test designed to simulate conditions even more extreme than the demanding stop-and-go driving conditions of a motorcycle rally or parade route, AMSOIL 20W-50 Synthetic Motorcycle Oil demonstrated outstanding performance in temperatures more than 500°F.

Taxi Fleet TestLas Vegas Taxi Cab Field Study
Test Results for Signature Series Motor Oils & ATF
Few applications place more stress on lubricants than taxi cabs, particularly those operating in the desert heat of Las Vegas, Nev. The combination of excessive idling, stop-and-go driving and high ambient temperatures creates the ideal scenario for lubricant failure, resulting in sludge formation and catastrophic component failure.

Motor Oil Comparison 2013Motor Oil Comparison 2013
10 Motor Oils Tested in 5 Performance Areas
Laboratory bench testing conducted in accordance with American Society of Testing and Materials (ASTM) procedures examined several important areas of motor oil performance, including resistance to deposit formation, wear protection, high-temperature stability, resistance to acid formation and cold-temperature performance.

Diesel Fleet Fuel Economy Study in Stop-and-Go City Conditions (G3086)Diesel Fleet Fuel Economy Study in
Stop-and-Go City Conditions (G3086) (368k PDF)
The industry-standard SAE J1376 Fuel Economy Measurement Test (Engineering Type) for Buses and Trucks reveals AMSOIL synthetic lubricants can increase fuel economy in class 8 diesel trucks used in stop-and-go city driving conditions and, in this case, did by 3.15 percent.

Marine E-TEC Field Study (G2968) Marine E-TEC Field Study (G2968) (1.2 MB PDF) AMSOIL HP Marine Synthetic 2-Stroke Oil prevented piston skirt scuffing and cylinder bore scuffing in a 250-hp Evinrude E-TEC marine engine during more than 500 hours of real-world use at the engine's lean-mix oil setting.

A Study of INTERCEPTOR Synthetic 2-Stroke Oil for Ski-Doo Rotax E-TEC Engines (G3039)A Study of INTERCEPTOR® Synthetic 2-Stroke Oil
for Ski-Doo Rotax E-TEC Engines (G3039) (1.4 MB PDF)
AMSOIL subjected INTERCEPTOR® Synthetic 2-Stroke Oil to 50 hours of severe-duty engine testing and two industry-standard ASTM tests to demonstrate that INTERCEPTOR exceeds the performance requirements of high-performance DFI snowmobile engines in severe operating conditions.

3,469-Mile Case Study in Rotax E-TEC Engine (G3038)3,469-Mile Case Study in Rotax E-TEC Engine (G3038) (1.1 MB PDF) AMSOIL submitted the pistons from a Ski-Doo Rotax E-TEC 800R engine to an ASTM-calibrated rater following 3,469 miles of aggressive trail riding to reveal that AMSOIL INTERCEPTOR® Synthetic 2-Stroke Oil provided outstanding protection and prevented piston skirt scuffing and ring sticking.

AMSOIL Premium API CJ-4 5W-40 Synthetic Diesel Oil (DEO) Fuel Economy (697k PDF)AMSOIL Premium API CJ-4 5W-40
Synthetic Diesel Oil (DEO) Fuel Economy (697k PDF)
The Environmental Protection Agency (EPA) Federal Test Procedure (FTP) confirms AMSOIL Premium API CJ-4 5W-40 Synthetic Diesel Oil (DEO) improves fuel economy through virtually all driving scenarios compared to conventional 15W-40 diesel oil.

AMSOIL
Premium API CJ-4 5W-40 Synthetic Diesel Oil (DEO) Shear Stability (644k PDF)AMSOIL Premium API CJ-4 5W-40
Synthetic Diesel Oil (DEO) Shear Stability (644k PDF)
Kurt Orbahn Shear Stability testing (ASTM D-6278) reveals AMSOIL Premium API CJ-4 5W-40 Synthetic Diesel Oil (DEO) maintains outstanding shear stability, even at 4 percent fuel dilution. Note: All oils were available to consumers at the time of testing. Testing completed September 2009. Test results do not represent future formulation changes.

AMSOIL Premium API CJ-4 5W-40 Synthetic Diesel Oil (DEO) TBN and Viscosity (363k PDF)AMSOIL Premium API CJ-4 5W-40
Synthetic Diesel Oil (DEO) TBN and Viscosity (363k PDF)
Compared with competing diesel oils, AMSOIL Premium API CJ-4 5W-40 Synthetic Diesel Oil (DEO) provided superior TBN and viscosity retention over 400 hours of severe-service operation in a refuse hauler fleet employing Navistar DT466 diesel engines, which are notoriously hard on motor oil. Note: All oils were available to consumers at the time of testing. Testing completed August 2010. Test results do not reflect future formulation changes.

Diesel Recovery Cold Filter Plugging Point (794k PDF)Diesel Recovery Cold Filter Plugging Point (794k PDF) Cold Filter-Plugging Point (CFPP) testing shows AMSOIL Diesel Recovery (DRC) lowers the cold filter-plugging point of diesel fuel more effectively than the competing brand. Note: All additives were available to consumers at the time of testing. Testing completed August 2009. Test results do not reflect future formulation changes.

Diesel Fleet Fuel Economy Study (G2904)Diesel Fleet Fuel Economy Study (G2904) Testing completed in compliance with the industry-standard SAE J1321 In-Service Fuel Consumption Test Procedure demonstrates use of AMSOIL synthetic lubricants can increase fuel economy in short- to medium-haul diesel applications and, in this case, did by 6.54 percent.

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