The motor has a ticking sound that tells me the oil pump doesn’t pump hard enough to make the oil get to the top heads and valves
Well, then, have a mechanical pressure gauge attached to the engine and prove yourself right or wrong. Please post back with what you find.
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Is this a 5.4L engine? If so the most common source of engine noise is from failing camshaft phasers.
Or lifters/followers.
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My guess is with lifters
If the phasers were failing, you would probably have performance problems, fault codes and an illuminated check engine light
Yep, change lifters, rockers and cams while ur at it. Then see how it sounds.