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Home - Accueil

  • Home
  • Knowledge Base
    • Base Oils | API Group Classification Reference
      • Base Oil Groups | API Classification Guide
      • Group III vs Group IV Base Oil | Synthetic Oil Explained
    • Viscosity
      • Viscosity in Lubrication
      • Viscosity Index | How Temperature Changes Oil Viscosity
      • HTHS Viscosity | High-Temperature High-Shear Oil Rating
    • Additives | Lubricant Additive Chemistry Reference
      • Lubricant Additives | Functions, Types, and How They Work
    • Oil Types
    • Standards | Oil and Lubricant Industry Specifications
      • ASTM D2270 | Viscosity Index Standard Formula
    • Specifications | OEM and Industry Oil Approval Specs
      • JWS-3309 Transmission Fluid
    • Maintenance
      • How to Clean a Catalytic Converter (Without Replacing It)
    • Tools | Lubrication and Engine Calculators
      • CAT Engine Overhead Adjustment Calculator | Torque & Valve Clearance Tool
      • Viscosity Index Calculator | ASTM D2270 Formula Tool
      • fuel economy calculator
    • Glossary
    • Myths
  • Engine Oil | Motor Oil Types, Grades, and Selection

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