AMSOIL first in synthetics
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JIM ACKNEY
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amsoil dirt oil 10w 40 edmonton Canada

Signature Series 0W-20 Synthetic Motor Oil

A New Level of Motor Oil Technology

Product Highlights

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 •75% more engine protection against horsepower loss and wear.1
• 50% more cleaning power vs. AMSOIL OE Motor Oil
• Protects turbochargers 72% better than required by the GM dexos1 Gen 2 specification.
• Trusted by professional engine builders
• Guaranteed protection for up to 25,000 miles or 1 year
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  • Signature Series 0W-20 Synthetic Motor Oil

    Engineered for enthusiasts seeking maximum protection and performance. Precision-formulated with cutting-edge technology and a longstanding devotion to making the world’s best motor oil. The result: engine protection that blows the doors off the highest industry standards.

    Signature Series Delivers Powerful Protection

    AMSOIL delivers powerful protection. How good is it? An independent lab compared AMSOIL synthetic motor oil head-to-head against a leading competitor in a 100,000-mile test. AMSOIL provided far superior wear protection and kept bearings looking like new.

    Signature Series Protects Against LSPI

    AMSOIL Synthetic Motor Oils achieved 100% protection against LSPI. Example of piston damage due to an LSPI event observed during the testing of a competitor’s motor oil. The red arrows indicate sections of the ring land that have broken away from the piston.

    Signature Series Guards Turbos

    Protects turbochargers 72% better than requiredC by the GM dexos1* Gen 2 specification.

    Signature Series Cleans

    Signature Series has 50% more detergentsD to help keep oil passages clean and promote oil circulation. It provides 90% better protection against sludge.DD


  • Use AMSOIL Signature Series Synthetic Motor Oil in applications that require any of the following specifications: 

    0W-20 (ASM): API SP (Resource Conserving), SN PLUS, SN…; GM dexos1Gen 2 (supersedes 6094M); ACEA A1/B1; Ford WSS-M2C947-B1, WSS-M2C947-A; Chrysler MS-6395; ILSAC GF-6A, GF-5, GF-4


  • AMSOIL Signature Series Synthetic Motor Oil is compatible with other conventional and synthetic motor oils. Mixing other oils with AMSOIL motor oils, however, will shorten the oil’s life expectancy and reduce its performance benefits. AMSOIL does not support extended drain intervals where oils have been mixed. Aftermarket oil additives are not recommended for use with AMSOIL synthetic motor oils.

  • Normal Service – Up to 25,000 miles (40,200 km), 700 hours of operation or one year, whichever comes first, in personal vehicles not operating under severe service. 
    Severe Service – Up to 15,000 miles (24,140 km), 700 hours of operation or one year, whichever comes first. Severe service conditions include commercial or fleet vehicles; excessive idling; or frequent towing, hauling, plowing or driving in dusty conditions. 
    • Modified engines (non-stock), racing vehicles and vehicles using alternative fuels (E85, CNG, propane, etc.) are excluded from extended drain interval recommendations. 
    • Change at the vehicle manufacturer’s recommended drain interval outside U.S. and Canada. 
    • AMSOIL Oil Filters are designed for extended drain intervals. Do not exceed 12,000 miles (19,312 km) or one year with other brand filters unless longer intervals are recommended by the vehicle manufacturer. Always change filter when changing oil. 
    • Check oil regularly to maintain proper fill levels. AMSOIL Oil Filters stop smaller particles, flow more oil and last longer tha