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I run 5w30 and0w40 in mine. Current fill is Mobil 1 0w40, have Run a lot of Kirkland 5w30 as well as a couple of other 5w30 synthetics.

Great report, keep up with the regular maintenance and it will last a long time. Excellent low stress engine. from the maintenance manual of my.2018 tacoma for all those who use the term “sever service” for normal driving conditions. Special Operating Conditions In addition to standard...

No need to look back from here

I believe there are a couple of issues. Issue one is unknown oil quality.Second is the piston jets do not work without adequate oil pressure. Hot thin oil may have resulted in outside cylinder jets stopping before the inside jets After a long hard run and a stop light or a Starbucks drive...

I do it almost every time now,

I will look that up!

40-45 k on old filter put in a filter brand I never heard of called kax similar construction As the Toyota. I will intall a filter gauge soon.

I run Mostly 5w30 in mine for 7-10k intervals. Sometimes I run 0w40 that’s what I am running currently. Makes no difference in performance Or mileage while a 5 mph or greater headwind will destroy the mileage at highway speeds.

Just an fyi ammonia can be produced without natural gas, scaling will improve. https://investors.lsbindustries.com/news-releases/news-release-details/lsb-industries-launches-green-ammonia-project amonia Is also being explored for maritime ship power...

great report. This engine is really under loaded in the rx350. Easy life. I would follow the factory recommended interval and enjoy the vehicle. I have not seen any evidence that the 2gr fks can’t handle 1 year 10 k factory recommendation's with any properly rated oil.

2018 Toyota Tacoma Ted off-road 4x4 2gr fks 71709 on unit out kirkland signature 5w30 with 7529 on it. It was a winter Of driving in some cold Weather with about 550 miles of long distance towing. So decided to pull the trigger early. old oil was performing well Didn’t use any oil during the...

None of the oils listed are in appropriate for the service.

Nothing wrong to leveraging the better value for the same products. nothing wrong with being brand loyal for simplicity either. Whatever makes you feel more satisfied, the engine will do fine within the proper specs.

Their is less value with tbn now with our improvd low sulphuric gasoline and better base oils across the board. thr organic adds are also not readily visible, making VOA’s and PDS’s and SDS’s less valuable in comparing. I figure if they label it extended performance or 20 KOL they’ve done their...

It sounds like an ideal situation to me Where the engine and Fluids get warmed up as quickly as safely possible.Keep it up you probably can relax a little without being abusive.

Soot production varies in my observation based on make model and power output. my 2012 BMW 328 Which is still going strong with a friend I sold it to,produced a ton of exhaust soot leaving evidence on the exhaust tips and back body panel. My current vehicles both have 2GRFKS engine and it does...

Backwards compatible, better dispersant package. nothing but improvement.

You can’t make up for inadequate metallurgy and design with lubricant. Oil analysis can have indicators for abnormal conditions but the primary purpose is to determine if the lubricant is suitable for continued use And eliminate the cost and outage time required to perform changes. For...

I’ve tested oil, then I realized there is a lot of data out there on the engine I have access to for free. . Some run more severe some less It’s not relevant. Most are changing oil to early. The point is the data doesn’t support a need for every individual to test their engine oil to determine...

That’s true, I just had to have a coworker take her grand Cherokee in she had bought used, to get serviced. She had gone 20k without even a thought since she bought it used. She told me it was making a funny noise on a cold morning in the way to work. I checked it for her and the oil level was...