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randy129
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Rrandy129 replied to the thread 2025 GM LZO 3.0L, 5,000 miles, Dexos D 0W-20 - used oil analysis.Thanks guys. I noticed I entered the wrong lube time for the third change, so I sent OAI an email and they changed it. Should have...
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Rrandy129 reacted to UNC196's post in the thread 2025 GM LZO 3.0L, 5,000 miles, Dexos D 0W-20 - used oil analysis with
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That looks pretty standard. FWIW, I did similar analysis, used a couple of 5w30 oils and the same AC Delco oil. The oil that gave me... -
Rrandy129 reacted to WarEagle's post in the thread 2025 GM LZO 3.0L, 5,000 miles, Dexos D 0W-20 - used oil analysis with Like.
Thanks for sharing. There’s a few UOAs/discussions here with the LZO you may find helpful. Bumping to a 30 grade is a great idea. I have...
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Rrandy129 posted the thread 2025 GM LZO 3.0L, 5,000 miles, Dexos D 0W-20 - used oil analysis in Used Oil Analysis - Diesel.OAI analysis for my 3.0L Duramax. Oil changed at 521 miles, 2,004 miles, and 5,006 miles with AC Delco 0w20 and AC Delco PF66/UPF66R...
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