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  1. M

    Motorcraft 5W20 Mazda 6s 3840 miles

    This was from the first change after the factory fill. Blackstone (or myself) misidentified it as 5W30. I fixed it up top, but the viscosity range below is for 5W30.
  2. M

    Motorcraft 5W20 Mazda 6s 3840 miles

    Did it myself. Found out about the dealer with my Ford Windstar that got Valvoline 5W30 instead of the Motorcraft 5W20 I was expecting.
  3. M

    Motocraft 5w-20 Blended Synthetic

    The factory fill includes a dye to spot leaks at the factory.
  4. M

    Factory fill (5w-30?), 2003 Protege 2.0L, 7647 miles

    This being a 2003 Mazda, it is assumed the factory fill was 5W-20 Motorcraft. However, while the viscosity points to it being a 5W-20, the Molly in it does not jive with previous Motorcraft 5W-20 UOAs or the VOA on Conoco Hydroclear, which is supposed to be the same stuff. I just did the first...
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