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…

@Tester . All I was trying to say is that there is no harm in switching from regular oil to synthetic. I have no idea whether or not it would reduce oil consumption in a worn automobile engine. I use regular HD oil in our 2003 Toyota 4Runner and it doesn’t use oil. Our 2917 Toyota Sienna and our …

Isn’t GM 6094M an older spec . . . I want to say the older spec for 5w30, several years before Dexos 1

[image] Jafepf_144731: Is it safe to switch from HD oil? 2 synthetic oil You can go back and forth between oils as long as they meet the engine specs.

You might want to be sure that any type multigrade oil is appropriate for your mower. My book says to use only single grade.

Thanks for the update. I wasn’t aware that I had 2 accounts.

[image] FRANKM: Thanks for the update. I wasn’t aware that I had 2 accounts. Perhaps you’ll get 2 IRS stimulus checks! :grin: Feel the magic! :shushing_face: CSA :palm_tree: :sunglasses: :palm_tree:

Only sensible answer is that sometimes I sign in with Facebook. That would explain the dual identities. I did check and I only have one account. FRANKM.

You may be correct on that. But GM says Dexos for all cars from 2011 onward. This from a Google search yesterday. 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 …

[image] FRANKM: My book says to use only single grade. Briggs and Stratton changed their oil recommendations several years ago for all of their small engines. So now 5-30 syn can be used year round for everything.

Testing Costco's Kirkland Full Synthetic Motor Oil

Maintenance/Repairs

FRANKM April 17, 2020, 2:29pm 56

I have no idea ho that would be. I’ll look into it. Thanks.

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Testing Costco's Kirkland Full Synthetic Motor Oil

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