What grade/type oil in 740 with 200k miles?

Discussion in 'Volvo 740' started by jamiebabineaux, Feb 22, 2006.

  1. I did a search here, but unable to find a good answer. It appears as if
    I will have to machine my crankshaft to the next level - mechanic says
    ..010". I'll get new bearings also I assume.

    Just curious, do you all normally keep using the original oil weight
    from when the car is new, or do you go to a heavier weight or something
    like synthetic with higher miles?

    I have a 1987 non-turbo 740 GLE with the B230F engine and 196,000
    jamiebabineaux, Feb 22, 2006
  2. jamiebabineaux, Feb 22, 2006
  3. jamiebabineaux

    Dlee Guest

    Assuming you get the whole motor done, you basically have a new motor
    with tolerances equivalent to new. Use the same oil as recommended for
    a new car.
    Dlee, Feb 22, 2006
  4. jamiebabineaux

    zencraps Guest

    FWIW, when I rebuilt the engine in my 244 Turbo, I stuck with 10W-30
    (except 5W-30 in the mild winter), and change the filter and oil very

    Frequent oil changes is the best bang for your buck.
    zencraps, Feb 22, 2006
  5. Can anyone vouch for Auto-Rx? This was recommended by an oil "expert"
    to clean a dirty engine.
    jamiebabineaux, Feb 23, 2006
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