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cm2785's avatar
cm2785
Explorer
Nov 16, 2017

1997 F53 460 and Rotella R6 5w40

Hey guys,

I have a 97 F53 chassis with the 460 with 11,000 miles. I just got it so I don’t know what oil was in it but it had a Ford filter and the oil looked surprisingly clean. Today I put a Mobil 1 filter in it and Rotella R6 5w40. I was wondering what you guys think of this oil for my motor and miles. The book calls for 10w30 or 5w30. Thanks!
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  • Bruce_Brown's avatar
    Bruce_Brown
    Moderator
    Nov 16, 2017
    Agreed. The manufacturers recommend those oils for a reason. If they wanted 5-40 They would have recommended 5-40. :W

    The 5 part is probably OK, 40 is too thick for a low mileage gas engine, IMO, although I am not a lubrication engineer, so take it for what it's worth.
  • T18skyguy's avatar
    T18skyguy
    Explorer
    Nov 16, 2017
    I use to have a 460 a year 1996. I would go with the 5-30 myself. I saw a test that even in warm weather the 5 weight gets to the top end much faster than the 10 weight. You'll be good with either. I wouldn't do a 40 weight though.

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