Costcos Kirkland motor oil, produced by Warren, is also the manufacturer behind the oil for Amazon and Walmart's Supertech brand. It complies with the current API standards for motor oil. Generally, it performs comparably to most other synthetic oils unless your vehicle has specific requirements or is heavily modified.
You can safely use 5w-30 oil in vehicles designed for 5w20 or 0w20. The 20 weight oils are primarily aimed at meeting Corporate Average Fuel Economy (CAFE) standards rather than optimizing engine longevity. However, it's advisable not to use a 20 weight oil in a car originally designed for 30 weight oil.
expiredHomerSaidDoh posted Apr 10, 2024 07:22 PM
Item 1 of 2
Item 1 of 2
expiredHomerSaidDoh posted Apr 10, 2024 07:22 PM
Costco Members: 12-Pack 1-Qt Kirkland Full Synthetic Motor Oil (0W-20 or 5W-30)
+ Free S/H$40
$50
20% offCostco Wholesale
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https://www.youtube.com/watch?v=S4Ch98SxEyY [Kirkland v Mobil 1 https]
Kirkland v Super Tech
https://www.youtube.com/watch?v=l9il_pi
https://www.youtube.com/watch?v=S4Ch98SxEyY [Kirkland v Mobil 1 https]
Kirkland v Super Tech
https://www.youtube.com/watch?v=l9il_pi
It was worth it to me to pay a little extra and have the little bottles around as well.
Edit:
Last week when they weren't on sale I happen to see the 1qt bottles in a business center store. I didn't take note of what oil weight or how many in the case or the price though. Just know they can be found locally if you have a business center near you.
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