Re: What oil and oil filter are you high mileage guys using
Both 4.3s had 10 years and over 250K on them. The 4.8 had about 185K, but I only drove it a couple years. The 94 C1500 w 350 had 296K. I use 10w40 down here since we don't get really cold and it gets so hot during the summers. If I was back up north I'd probably use the 10w30 or 5w30 weight. Currently I have no LS motors, but use the same stuff on the ole Dodge 318 I am currently using as a DD.
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