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AMSOIL Sequence IIIG Test

The American Petroleum Institute sets the minimum standards oil must pass to ensure it will provide adequate protection. One of these standards, the Sequence IIIG Test, subjects oil to 100 hours of use at 302°F- 100° higher than normal operating temperatures- and measures its ability to prevent wear, deposits and more.
Find out how our Signature Series 5W-30 Synthetic Motor Oil performed.
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