This video compares the performance of Costco’s new motor oil with that of Walmart’s Supertech oil. If you don’t want to watch the entire video, I will summarize the findings for you: The Kirkland oil performed essentially the same as the Walmart oil and Amazon’s Basic oil–and that means very goo…

[image] Why Expensive Oil Is A Waste Of Money Blackstone Labs analyzes the contents of used motor oil to check how well engines wear over time. Earlier this month, the lab used its vast database of used oil analyses to study whether certain oil brands tend to contain more metal wear partic…

[image] bing: hope you had a wonderful marvelous day anyway. We did. Our church did the sensible thing and had remote mass. They decided that peoples lives are more important then the money they collect on Sunday.

Good to know. I have to add that the “Dexos” specification is required for all late GM vehicles 2011 and up. Probably other manufacturer brands as well. Is the Supertech oil marked for the “Dexos” specification? I might add that not all grades of Synthetic even within the same brand will carry the…

And recently, Dexos for all GM vehicles for the number 4 spec. [image]

I looked for more information Re: “Dexos”. Here’s what I found. Dexos engine oil specification is designed by GM Powertrain engineers and is intended specifically for GM engines. … All vehicles produced in and after 2011 are stocked with Dexos oil and are recommended to be used for the life of th…

Better oil. Same price. What’s not to like? It took me years to go from Havoline non- detergent SAE 30 to Havoline HD SAE 30 detergent oil. Then more years before I joined the multigrade bandwagon. I jumped into synthetic type oil almost immediately. And the “Dexos” as soon as I learned of it. S…

[image] FRANKM: Better oil. Same price. What’s not to like? Is it actually better oil for all vehicles? I doubt it. My 09 Focus is pushing past 205k and has been doing fine with 5k mile changes with 5W-20 synthetic. Never put dexos-spec’d in it and it’s been just fine :man_shrugging:

[image] pyrolord314: Is it actually better oil for all vehicles? I doubt it. My 09 Focus is pushing past 205k and has been doing fine with 5k mile changes with 5W-20 synthetic I’ve been using synthetic in my SUV’s for about 20 years. My current SUV (14 Highlander) requires it. The reason I u…

[image] MikeInNH: Is synthetic oil better then conventional oil? - Yes Is synthetic oil NEEDED? Probably - NO Agreed, my Focus doesn’t actually require synth but I use it anyway. My question I was asking @FRANKM is whether Dexos is actually “better oil for all vehicles”. What is exactly spe…

Testing Costco's Kirkland Full Synthetic Motor Oil

Maintenance/Repairs

Tester April 15, 2020, 3:55pm 35

One more reason I don’t buy GM vehicles

Special motor oil.

Tester

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Testing Costco's Kirkland Full Synthetic Motor Oil

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