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Hello, Recently my neighbor also purchased a Silverado. He said the previous owner used 10w40 oil. He went to change the oil and used 5w30. He told me that he has a lifter noise now, but did not before the change. He said it was completely quiet and the prev. owner used that since day 1. would...

Hello, I am new here and looking for input on which oil to use synthetic or Con. I have heard a bit of mixed emotions regarding oil leaks developing after switching to a synthetic oil. I know you all have heard this same thing all the time on here, but maybe I can find a just answer. My truck...