What additives are added to oil to help protect the engine?
What additives are added to oil to help protect the engine? Editor's Pick: Lucas Heavy Duty Oil Stabilizer. Marvel Mystery Oil. Hot Shot's Secret Original Stiction Eliminator. Archoil Oil Additive (AR9100) Prolong Super Lubricants Engine Treatment (PSL11000) REV X High Performance Oil Additive. Liqui Moly Cera Tec Friction Modifier. Restore Engine Restorer & Lubricant. What does detergent do in oil? Detergent oils have enhanced additive packages blending in them to prevent rust, break down engine sludge and stabilize acids to prolong oil life. With a newer engine or an engine that has been running on a detergent oil for years...