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  1. General
    I've used Mobil 1 syth oil since I got my TB. It's a 2005 LT that I bought in 2007 with ~45k miles. It now has almost 190k on it and I was told that due to the age of the engine, it might be best to NOT keep running synthetic in it. What are your opinions on switching? I'll still keep the...
    conventional oil synthetic
  2. OEM Issues
    Hi all, New to the group and glad I found it! I have a chance to purchase a 2002 Bravada with 140k on it. It is in really nice shape. My question is, if it has been generally cared for, how long do these engines run? Will I hit 200K, 250K? I always use synthetic, but I don't what it has...
    4.2 engine life miles reliability synthetic
  3. OEM Issues
    Hi, Well, we just bought our TB a litle less than a month ago, with 23,000 miles and change. It was a certified used vehicle, but of course we have zero insight as to how the previous owners treated it (and I'm assuming bad, because it was repo'd). Now, we're coming up on 24,000 miles, and...
    oil synthetic
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