synthetic oil
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Senior User
Joined: Nov 2005
Posts: 123
Likes: 0
From: VIRGINIA BEACH
synthetic oil
my 2006 has 15000 miles and was wondering or thinking about using synthetic. Does it hold up better than non synthetic in the 6.0? If so what is the best oil and filters out there?
Postmaster
Joined: Apr 2004
Posts: 2,654
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From: Bossier City, LA
#1. Synthetic is better, but costs more for a lesser return, but piece of mind sometimes is priceless. The synthetic probably won't increase the life of the engine by much. The easiest and best method yet, is conventional oil of whatever weight fits your temperature range and change it at 5k.
#2. Motorcraft oil, motorcraft or fram oil filters.
#2. Motorcraft oil, motorcraft or fram oil filters.
Laughing Gas
Joined: Oct 2003
Posts: 1,082
Likes: 93
From: VA/NH
I like running synthetic in my truck. One of the big advantages is when the temperature changes a lot. It can go from 9 degrees today to 52 on Saturday. It actually is doing that here this week supposedly. I've always had good luck running Rotella Syn. It is pricey though...
Freshman User
Joined: May 2006
Posts: 38
Likes: 0
From: South Carolina
I think Synthetic is great ! After i drained the break in oil at about 600 miles I have put Rotella T 5W/40 Synthetic in all oil changes. One of the things I have noticed is the synthetic oil seems to stay cleaner for longer periods. I have checked the oil at like 3000 miles and it looks brand new (nice and clear). You can get Rotella T 5W/40 synthetic at Wal Mart. and they also have the Fram oil filter. They say you can get anywhere from 7500 to 9000 miles between oil changes on the synthetic. I change mine between 5000 and 6000. Oh also the starting viscosity is 5W instead of 15W so that may help in sarting lubrication especially in colder weather I believe.
Last edited by Diesel_D; Mar 8, 2007 at 09:57 AM.
Senior User
Joined: Mar 2006
Posts: 180
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I have been using Syn oil for years and my 95 7.3 had 310239 mile on it when my son totalled it. 10000 mile changes and a bypass filter for it life. I would use nothing else. The bypass filter and syn oil was my first mod.
