When I still had my Vic, Walmart used to have awesome deals on Mobil 1 oil, so I would get the High Mileage Extended Mileage 5W-20 and then usually just a regular Motorcraft FL-820S filter
I use a compatible Motorcraft filter and the Havoline synthetic that comes in the box. It gets hot. The engine is just fine. You don’t need to fret over fancy oil. It’s a Lexus.
Bought a dealer Sell Pack of 12 Motorcraft filters at Rockauto.
I buy Castrol edge and Mazda oil filter off Amazon.
6 quarts of Castrol edge full synthetic 5w30 and Motorcraft fl400s
Make sure you get an oil that is dexos gen 2
I WAS using Subscribe and Save for Amazon Full Synthetic 5W-30 and Motorcraft FL-910S Filters, but they keep running out of stock
if you use the Ford/Motor raft FL400S, you can put all 6 qts in. Our engines benefit in some way or another from the bit of extra oil, iirc. Makes it easier than measuring out to get to the 5. whatever the stock filter size is
a 5qt Castrol edge 0w-20 container is $19. + $8 for a filter .. $30 every 5K miles is cheap imo..
I've used the spec Motorcraft filter (820S), and Motorcraft 5w20 synthetic oil EVERY TIME. This truck has been an absolute beast, and dead nuts reliable.
I use factory filters and 0w40 Castrol (German one) when it’s on sale for $4.99 a qt. I too have 100k on my 2015 gsw 5MT and runs great I been using that oil since new.
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