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switching from 5w20 to 10w30 engine oil

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  • January 17, 2016 at 4:16 pm #849313
    mohammad bahzadmohammad bahzad
    Participant

      2004 Mustang GT, Manual says 5w20, I am putting in 10 w 30 instead
      is it ok to use higher viscisity oil istead of the recommended 5w20?

      putting in mind its a 12 years oil car with 83K miles.

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    • January 17, 2016 at 4:35 pm #849318
      college mancollege man
      Moderator

        [quote=”mbahzad” post=156824]2004 Mustang GT, Manual says 5w20, I am putting in 10 w 30 instead
        is it ok to use higher viscisity oil istead of the recommended 5w20?

        putting in mind its a 12 years oil car with 83K miles.[/quote]

        Use whats recommended. 5w-20 Whats the thinking here? You may want to use
        a high mileage oil 5w-20

        January 17, 2016 at 6:01 pm #849342
        EricTheCarGuy 1EricTheCarGuy
        Keymaster

          Wrong way of thinking. So very wrong.

          However.

          http://www.ford-cruising.hu/miscimages/0219.pdf

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