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        • Straight Grade Mineral Oil for Engine Break-in
        • Straight Grade Ashless Engine Oil for Normal Use
        • Multi-Viscosity Mineral Oil for Engine Break-in
        • Multi-Viscosity Ashless Engine Oil for Normal Use
        • Multi-Viscosity Grade Oil for Light Sport Aircraft
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      • Aviation Grade 65, SAE 30
        • Straight 65 Grade Mineral, Break-In Oil
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    1. Home
    2. Aviation Lubricants By Application
    3. Aviation Piston Engine Oils
    4. Straight Grade Mineral Oil for Engine Break-in

    Straight Grade Mineral Oil for Engine Break-in

    .

    Overhauled and new aircraft engines require a break-in period; during this period – usually less than 24 hours total – aircraft engines are lubricated with specific oils with limited additives. This process results in increased friction, causing controlled wear to take place.

    Though wear is almost always a negative, this process is actually helpful in that it helps to smooth rough, just-machined metal surfaces, thoroughly preparing the internal components for takeoff and extended flight. However, this oil needs to be quickly drained and replaced with a proper lubricant before flight ensues. Also, it is recommended to drain the oil several times during the break-in process in order to remove potentially harmful metal debris.

    Straight-grade aviation oils for engine break in are free of certain detergents and dispersants which may prevent the oil film from breaking: a natural and desirable process during engine break-in. If you need more help understanding the difference between a break-in oil and a normal operation oil, please give us a call at 1-855-899-7467.

    • AeroShell Oil 120
      Choose Options

      AeroShell Oil 120

      AeroShell

      MSRP:
      Was:
      Now: $1,713.08
      Details & Options
    • AeroShell Oil 100
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      AeroShell Oil 100

      AeroShell

      MSRP:
      Was:
      Now: $60.06 - $1,876.40
      Details & Options
    • AeroShell Oil 80
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      AeroShell Oil 80

      AeroShell

      MSRP:
      Was:
      Now: $59.70 - $1,886.16
      Details & Options
    • AeroShell Oil 65
      Out of stock - Browse equivalents, or complete the OUT OF STOCK FORM below.

      AeroShell Oil 65

      AeroShell

      MSRP:
      Was:
      Now: $64.99
      Details & Options
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    Aviation Oil Outlet
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