2003 F350 PS 6.0L - Oil

geeksrus

Well-known member
Todate I've been using Shell Rotella T 5-40 Synthetic. Lately, I am having a hard time finding it.

What alternatives should I consider?

Thanks

EH!
 

jpmorgan37

Well-known member
That's all I use in my Ford and I get it at Walmart or Sam's Club. If I couldn't get Rotella, I would probably use Amsoil Synthetic.
 

rick7t7

Member
All I've used in my '06 F350 is AMSOIL. You can check it out at www.amsoil.com. You have to signup for a membership to get the wholesale prices, but it's an excellent product. They ship UPS and the delivery usually takes a couple of days.
 
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