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synthetic oil

  1. Best all around syntehtic oil for tuned 6.4

    6.4L Performance Parts Discussion
    wondering what oil to get. want the best mileage synthetic i can get. i have also heard that some oil can make more black smoke??? thanks
  2. Royal Purple introducing new High Performance Street

    Royal Purple
    Royal Purple is releasing a new line of motor oil aimed at the street/performance enthusiast market. For several years, the American Petroleum Institute (API) has been reducing the maximum limits of common anti-wear zinc/phosphorus anti-wear additives in motor oils via their self-governed...