WHAT IS THE OPTIMUM OIL FOR...

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MACON, GA.
I HAVE A 2005 F150 WITH THE 5.4 L ENGINE. 6000K MILES. IT STATES THAT I SHOULD USE 5W20, BUT IS THIS THE BEST OIL FOR THE ALLROUND GOODNESS OF THE ENGINE. I AM NOT WORRIED ABOUT THE WARRANTY.
 
Good thing you said you are not worried about the warranty... otherwise. I have seen this motor with over 200,000 miles on 5w20 Motorcraft, with no oil related failures.

I have also seen this motor with 150,000 miles on Valvoline 10w30, with no oil related problems.

I put myself at great risk by recommending Valvoline Durablend 10w30 but anyways one must sometimes live on the edge.
 
Yes, BUDSHAD...stay with the 5-20. If you are not concerned with the warranty use a fully synthetic 5-20 oil and a very good oil filter and extended OCI's...

Redline,Amsoil, Mobil, Others...

Purolator, Amsoil, Wix, Others...

Run 10,000 OCI's..............
 
As a courtesy,

We normally don't use caps with our posts. Using caps is the equivalent of shouting.
 
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