5-20 or 5-30

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Nov 7, 2009 | 11:45 PM

#31

BLUE20004X4

Senior Member

Joined: Feb 2006

Posts: 3,762

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From: Windsor, Ont.

Quote:

Originally Posted by kingfish51

Mine came from the factory with 5w20, had that on the oil filler cap, and had that in the owners manual.

If you look at www.motorcraftservice.com, printing 1 of the owners manual showed 5w30, printing 4 shows 5w20, so they switched somewhere during the model year. Mine came with everything stating 5w20.

I use to build the 5.4 and 6.8 at Windsor engine plant and don't remember (could of very well been= bad memory at times) the 01 models bieng 5w20, 02's yes. Actually, about or at the same time is when they started putting the oil kettle and 5w-20 on the oil fill caps too instead of it just saying engine oil. Like I say though, whatever yours says, go with. You won't hurt the engine either way.