I have the 4.7 HO engine and it has 187k on it so far. The heads were redone because of a recall (valve seats) This engine like regular oil changes and contrary to the factory specs for oil (5W30) I...
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I have the 4.7 HO engine and it has 187k on it so far. The heads were redone because of a recall (valve seats) This engine like regular oil changes and contrary to the factory specs for oil (5W30) I...