Re: Change To Synthetic Motor Oil Or Not
From the Mobil One web site for your truck with your miles they recommend; "Mobil 1 High Mileage 5W-30
A fully synthetic motor oil, Mobil 1 High Mileage 5W-30 is designed especially for higher mileage engines where conventional oil has been used. It reduces the sludge and deposits that conventional oils can leave behind."
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