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Diesel engine oil in 5VZ-FE

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  • Diesel engine oil in 5VZ-FE

    Hi everyone, I have a 3.4 V6 with 347,000kms on it.

    Was wondering if running Mobil delvac 1300 or Mobil delvac 1 both exceeding API-sg,sh for this engine, would be safe to use?

    Can get multi grade diesel oils cheap through work.

    Any thoughts?

    Cheers

  • #2
    Maybe oils have changed but way, way back I tried diesel oil in the old Holden. Same reason as you, we used diesel oil in the trucks.
    What a disaster, the detergents stripped away any carbon seal and she blew smoke like a steam train from then on, drinking oil as fast as I could add it.
    If you had a new engine with nice close tolerances it would be fine, but not for me in an older engine.

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