I love me some motorcraft. So that being said, what weight shall j use? Its a stock 302 carbed 4br engine with exhaust. That's it. I use motorcraff 5w30 in my 180k 4.6 97 f150 and 99 5.0 explorer. Should I continue using the MC 5w30, or MC 5w30 plus 1qt Lucas Oil stabilized, or go with a thicker oil (5w40?). Thanks.
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