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Bookmark or Share- Kirkland vs Mobil 1 - BobIsTheOilGuySave you money and get the Kirkland's Signature. You will not notice a difference in engine performance or wear levels following an OEM recommended OCI. 10 quarts of Kirkland's Signature cost the same as a 5 quart jug at WalMart. No rebates, no hunting sales.
- Kirkland Signature Full Synthetic 5W-30 | BobIsTheOilGuySaw this at my local Costco (Lakewood, CA) on Dec. 2, 2019. Thought it was interesting since I've never seen it before. Must be brand new. It contains 2 jugs, 5 quarts each for $23.99. Only 5W-30 was available at the time. 10 quarts in total. Very good deal even better than Supertech's price but...
- Kirkland Signature 0W-20 any good? | BobIsTheOilGuyUsing Kirkland at $20/5qt vs one that uses a $60/5qt Dexos oil will never result in a statistically different outcome.If you want to argue this fact any further, feel free to call GM directly since it's their spec and licensing system.
- Kirkland 5w 30 oil specs from Warren | BobIsTheOilGuyOriginally Posted by JohnnyJohnson Its going to be interesting to see some UOA on this. Meets D1G2 and is already in use under several other labels, so I'm going to go out on a very thick limb and say we could collect 1000 UOA samples, crunch the data, and we would see that there is a 99.5% chance or greater this oil is statistically identical to every other D1G2-approved oil. /subtle sarcasm
- PQIA test of Kirkland FS 5w-30 | BobIsTheOilGuyLooks good to me, a LSPI friendly Ca & Mg detergent package, close to max ZDDP, lots of Boron (245 ppm) and a nice dose of Moly (80ppm).
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