Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB

Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) (https://www.ft86club.com/forums/forumdisplay.php?f=41)
-   -   Costco Kirkland Signature 0W20 Full Synthetic Oil (https://www.ft86club.com/forums/showthread.php?t=143104)

FR-S2GT86 11-12-2020 10:16 AM

Oil is cheap, engines are not. Use the best oil that you can find that is available to you. All of the research that I have done lately on different brands, weights and grades has led me to the choice of oils that are ILSAC rated GF-6 if you are direct injected and boosted. That is what I am choosing for my engine.

The oil that the OP is looking at purchasing is GF-5 rated. It will most likely suffice if he is still naturally aspirated, but a GF-6 oil will give your engine added protection if you are adding boost.

Capt Spaulding 11-12-2020 12:31 PM

I'm pretty sure that, for DD service it will be fine. GF - 6 as I understand it, adds LSPI to the standard. Nothing wrong with that, but our cars have been running fine on GF - 5 for a long time and they'll probably keep on doing so.

Personally, i get Pennzoil Plat at walmart for $22/5L. That's about 2X the KIrkland, Amazon, Supertech price, but I sleep just a wee bit better and only spend the money a couple of times a year.

And, I chafe at the idea of putting more $$$ in Amazon/Bezos' pockets


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