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  • Torco RGO Racing Gear Oil

    Select Your Package
    Select Your Viscosity

    Torco RGO Racing Gear Oil is formulated using highly refined petroleum base stocks and select additive systems to improve gear protection and high-temperature stability. Special high-adhesion polymers focus on shear stability, thermal stability, and high shock load protection. RGO carries a higher concentration of extreme pressure additives, anti-oxidation, anti-corrosion, and anti-foam to prevent fluid degradation and extend the life of all drive components. Available in 80W-90 and 85W-140.

    Features & Benefits:
    - Premium racing grade formula
    - Excellent thermal and shear stability
    - High shock load and extreme pressure chemistry
    - Extends life of all drive components
    - Meets or Exceeds: API GL-6

    Available Sizes: 1 Liter Bottles, 5 Gallon Pails, 55 Gallon Drums

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    Technical Data


    RGO is an ultra-high-performance Racing Gear Oil engineered using the most advanced additive system and premium paraffinic mineral base oils. This combination of premium base oils and Torco’s race-proven additive system provides exceptional film strength cushioning gears and provides anti-wear performance without slinging off in high-speed and shock load applications. Our unique high adhesion polymers are used for increased shear stability and film strength. The balanced concentration of extreme pressure (EP), antioxidation, anti-corrosion, and anti-foam additives prevent fluid degradation and extend the life of critical racing driveline components.

    • High shock load and extreme pressure racing chemistry.
    • Exceptional film strength cushions gears in high-speed shock loading applications.
    • Outstanding thermal and shear stability.
    • Extends life of all driveline components.
    • Race grade formula with high concentration of extreme pressure additives.
    • Safe for yellow metals.

    Recommended for racing applications where extreme shock load, speed and temperatures are common. 80W-90 is recommended for differentials, transmissions, and transfer cases requiring SAE 80W-90, 90 GL-5 gear oil. 85W-140 is recommended for differentials, transmissions, and transfer cases requiring SAE 85W-140 GL-5 gear oil. 250 is recommended for dragster and severe on-road and off-road racing applications.

    For limited-slip or posi-traction differentials, use Torco Limited Slip Friction Modifier Type G (for all GM
    applications) and Type F (For everything else)


    TEST METHOD 80W-90 85W-140 250
    Specific Gravity @ 15.5°C D1298 0.8819 0.8887 0.8982
    Lbs/Gal D1298 7.353 7.410 7.488
    Viscosity @ 40°C (cSt) D445 181.7 367 490
    Viscosity @ 100°C (cSt) D445 18.4 34.5 47.1
    Viscosity Index D2270 113 136 153
    Pour Point °C D97 -39 -39 -
    Flash Point °C D92 208 210 210
    Brookfield, cP @ °C D2983 57,000 (-26°C) 22,000 (-12°C) -
    Copper Corrosion D130 1b 1b 1b

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