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  1. M

    Factory Fill Oil on 2010 Mustang GT?

    I was actually referring to the brand and type of oil that comes in the engine from the factory. I've heard from other sources that it is Formula Shell 5W-20 conventional (Ford has an oil contract with them), but I just wanted to confirm that.
  2. M

    Factory Fill Oil on 2010 Mustang GT?

    Just curious, does anyone know what the factory fill oil is for the 2010 Mustang GT?
  3. M

    Conventional Oil in the 2010 Mustang GT?

    Would it make sense to use a synthetic blend, even if it is not Motorcraft?
  4. M

    Conventional Oil in the 2010 Mustang GT?

    Hello all, Long-time lurker, first-time poster. I just bought myself a 2010 Mustang GT Premium, and I'm anxiously awaiting delivery since it has to be ordered from the factory. I'm a do-it-yourself oil change guy, and was wondering if conventional oil can be used in this year's GT model...