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Member
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Join Date: Jul 2018
Location: NC
Posts: 378
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Member
Join Date: Jul 2018
Location: NC
Posts: 378
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Most of the UOAs I’ve seen for major oil brands (e.g., Mobil 1, Pennzoil, Valvoline, Amsoil, etc) have plenty of life left when they were analyzed at <10k miles and are good for at least 10k OCIs.
I haven’t splurged on Blackstone myself, maybe will do so one of these oil changes. But I’ve seen enough evidence that 10k OCIs are perfectly fine.
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