Re: 15-40 Rotella versus Straight 40
I guess I'm living a charmed life. My Mobil 1 fed LS5 only had two leak issues: Valve covers (which I finally conquered) and the oil drain plug (which tend to leak on Chevys with any type of oil).
I guess I'm living a charmed life. My Mobil 1 fed LS5 only had two leak issues: Valve covers (which I finally conquered) and the oil drain plug (which tend to leak on Chevys with any type of oil).
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