Comments by "gary K" (@garyK.45ACP) on "Is Costco's Kirkland Motor Oil Safe for Your Car? Let's find out! SuperTech Synthetic vs Kirkland" video.

  1. I came to the same conclusion. Same oil, marketed by different outlets. Nothing new. "Store branded" products do it all the time. Your testing is so thorough. Thank you for the time, effort and expense of producing really useful tests and reports. Merry Christmas and Happy New Year
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