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  1. O

    2025 - Mobil 1 Extended Performance

    Forgot to add I used AMSOIL SIGNATURE oil.
  2. O

    2025 - Mobil 1 Extended Performance

    I bought a used 2023. At 20,000 miles I put 0 w20 AMSOIL with ARCHOIL 9200 friction modifier with a AMSOIL filter. I have used AMSOIL in all my engines since 1999. I change oil once per year. Even used AMSOIL in my Duramax pulling a 16,000 lb 5th wheel for 45,000 miles with no problems.
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