Motor Oil

Are Motor Oil Additives A Scam? ProLube, Lucas, Archoil, Liqui Moly MOS2 and Bestline

Jul 2026/22 min/6 products tested

Watch the test ↗

The verdict

  1. 1

    Liqui Moly

    “So, after all the testing, only Liquid Molly tied the motor oil.”
    Buy on Amazon ↗

Other picks

  • Avoid

    Prolube

    “The heat appears to have damaged the Proloop, earning it a last place finish.”
    Buy ↗

Everything tested 6

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