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California Travieso · 11-09-2020, 07:35 PM

I recently bought a case (2 five quart jugs) of Kirkland 5W-30 Fully synthetic oil from Costco for $30. It should be fine for winter since my car doesn’t leak or use oil.

I noticed Costco also has the 15w-40 diesel oil that a lot of Model A guys use. Their Kirkland brand comes in a three pack of 1 gallon jugs for $33. Might be good for summer here in So. Cal. when the temp hovers around 100 degrees.

Has anyone tried either of those?

David Serrano

11-09-2020, 07:35 PM	#16
California Travieso Senior Member Join Date: Mar 2014 Location: Moreno Valley, CA Posts: 944	Re: Oil I recently bought a case (2 five quart jugs) of Kirkland 5W-30 Fully synthetic oil from Costco for $30. It should be fine for winter since my car doesn’t leak or use oil. I noticed Costco also has the 15w-40 diesel oil that a lot of Model A guys use. Their Kirkland brand comes in a three pack of 1 gallon jugs for $33. Might be good for summer here in So. Cal. when the temp hovers around 100 degrees. Has anyone tried either of those? David Serrano