what oil do you use
Freshman User
Joined: Dec 2008
Posts: 47
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From: Fort McMurray/Alberta
I use Amsoil synthetic. Great cold weather starts with 5W-40, and great hot weather protection towing in the summer with 15W40. Expensive, but worth it if you can afford. Best cold weather starting oil is synthetic.
Elder User
Joined: Jul 2009
Posts: 919
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From: Smiths Grove, KY
Use the search feature and you will find enough threads on oil to make your head swim. After you read all of them you will find that someone on this forum likes just about every major brand of oil (both conventional and synthetic) and every available weight.
Bottom line is make sure you use a diesel rated oil and change it at the recommended intervals or sooner (every 5k miles for me).
Bottom line is make sure you use a diesel rated oil and change it at the recommended intervals or sooner (every 5k miles for me).
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 25
From: Middle Tn.
Use the search feature and you will find enough threads on oil to make your head swim. After you read all of them you will find that someone on this forum likes just about every major brand of oil (both conventional and synthetic) and every available weight.
Bottom line is make sure you use a diesel rated oil and change it at the recommended intervals or sooner (every 5k miles for me).
Bottom line is make sure you use a diesel rated oil and change it at the recommended intervals or sooner (every 5k miles for me).
Senior User
Joined: Jan 2009
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From: Central Florida
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Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 25
From: Middle Tn.
See what I mean! There are as many ops. as there are people driving trucks. Good luck go to past threads.
Thread Starter
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Senior User
Joined: Jun 2010
Posts: 133
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From: Carlin, Nv.
ya I figured that there would be alot of opinion on this but I figured that one would stick out more than others. For instance I also belong to an F-body ( Camaro, Trans am) forum and someone asked the same question and mobile 1 was the favorite of most followed by valvoline. I just got an 04 F-250 with 182,000 miles and wont it to last a few more years if I can keep it running that is. Its broken twice and its still on the 45 day permit.
Senior User
Joined: Mar 2003
Posts: 296
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From: El Cajon, CA
Delo 400, 15-40 because we tow a lot. Change it every 5000 mi. Thought about going to the Rotella 15-40 non Syn. The Syn in our gas cars seems to create minor oil drips. 