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Re: Mobil 1 oil
Posted to Technical Discussion Forum on 7/15/2024

Louis,

I have always used the "normal" 5W30 Mobil 1 in my 99 Tahoe. It has worked fine for close to 180K miles. To be honest with you i have never paid attention to the Dexos specs on the bottle. I always get it at Walmart:

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