Q: Need advice on using synthetic oil

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Is there any advice on using a high quality synthetic in my SUV with the AFM? I ran Mobil 1 in my old Suburban for over 9 years. It had the 8.1, so oil use was a concern pulling a 25 foot Haulmark. Now with the new tech engine in the Tahoe, I'm wondering whether the cost for oil will be worth it.

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