Join Date: Apr 2001
Location: eustis , Florida
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Re: Exped.5.4L not oiling on startup
The lighter weight oil is highly recommended on the 4.6 and 5.4 cuz of all the tiny oil passages in the OHC heads. I have also heard owners complaining of the lifters clacking upon cold startups with heavier than 5W-30 oil.
Im not telling anyone what type of oil to use, only that i also used to think heavier is better, but since had been proven wrong .