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11-10-2025, 12:15 AM
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#1 |
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Senior Member
 
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 8,115
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Mixing Oils
My 2003 Tahoe w/4.8 V8 seems to be leaking oil. I had the oil changed in July and now I'm getting Oil Level Low on the odometer screen. A suspicious scum of an oil slick on my driveway, and I'm thousands of miles from Exxon Valdez...
I am out of my preferred lubricant, Valvoline 5W-30 High Mileage synthetic. [Or NAPA equivalent.] I have one qt bottle of Mobil 1 5W-20, I got from a neighbor. Is it OK to use this one quart of Mobil 1? No time to get to O'Reilly's in the morning before work.
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Every 25 years I like to rebuild that 292, whether it needs it or not. Last edited by '68OrangeSunshine; 11-10-2025 at 12:20 AM. |
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