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  • Synthetic oil

    Posted by Art on February 10, 2026 at 10:17 am

    I have always used Delo 400 15W40 motor oil, Now the oil is changing now it is Delo 400 15W40 Synthetic, Chervron say’s it does not hurt a older Series 60 engine it way better for the engine??? I have 147K miles on engine.

    DON replied 5 months, 2 weeks ago 4 Members · 6 Replies
  • 6 Replies

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