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

893.4K views · 36.5K likes · Jul 5, 2026

Are motor oil additives actually worth your money, or are they just snake oil? We test popular formulations including Archoil AR9100, ProLube, Bestline, Lucas Heavy Duty Oil Stabilizer, and Liqui Moly MoS2 under identical, controlled laboratory conditions to measure real-world pe…