Watched a YouTube video of a man with 1.5 million miles on his Toyota Tundra original engine. When asked about his oil maintenance he said I had it changed every 10,000 miles as Toyota recommends at my Toyota dealership. Exxon Mobil produces Toyota Genuine Motor Oil (TGMO) for the North American market, often branded as part of their Mobil 1 partnership.

 

That depends in large part on how he drove it, exactly as Toyota's manual explains. If you drive mostly highway, mostly not in extreme weather, mostly longer drives that allow engine warmup rather than short trips and stop/go, you're eligible for the "normal service schedule" of 10k oil changes. If you do those other things, you're under the 5k "severe service" schedule instead.

 

Yes, there's a big difference on OCI between highway driving and short stop-go city driving as explained in the manual.

There's also the case of low-mileage drivers who believe that because they only log less than 3k/yr, they can stretch OCI to 2-3 years and still be under the 10k/yr. The CCN mentioned an anecdote about this scenario in the following video at the 12:28 mark.

No "Moly" magic is gonna save you from that one.

 

What year Tundra and what engine probably the V8 non turbo and before all the CAFE mpg EPA crap

 

NO OIL gonna save you..............

 

Man O' man... Life is complicated enough. Just use the oil recommended by the manufacturer. I'm quite sure that they (Lexus) want you to enjoy your car for many years. Go by the OM and worry about something else. Any quality name brand oil will suffice... Engine failure due to lubrication is a non event these days...

 

I completely agree.
BUT, I understand why there is so much cynicism regarding following manufacturer's guidelines. critics site CAFE standards forcing thinner oils and point out Toyota specs heavier oil in other countries using the exact same engine. There are a zillion Utube videos on why you better switch to 5W30 "or else!".

It's enough to drive a lunatic nuts.

CCN addressed this in a recent video and bottom line said follow OE guidelines, not that I would have expected differently from him but he made some good points.

 

If doing predominately stop and go city driving that is severe service per the manual and change oil and filter 6 mo or 5k miles which ever comes first

 

I agree with you, but when I was doing my own oil changes on my 2017 RX and 2020 ES, I used 5-20 which Lexus acknowledges 'can be used temporarily if 0-20 is not available'. I am not at all obsessive about oil weights, but 5-20 will probably be very slightly better for the engines long-term - so why not? I now use Toyota to do my oil changes. Wondering if they would use 5-20 if I requested it.

 

i think the logic with that is ^ ya, the wrong oil is better than no oil. but long term, you're risking cascading effects by using viscosity that the engine not designed for.

it's like sure you can brush your teeth with just water if you're in a bind at that moment and that's all you have, but short, medium, long term its better if you use toothpaste

 

It's unlikely that the engines are designed to operate well on only 0-20. As has been said countless times before, the thinner oil helps them meet CAFE requirements in the U.S., but may not be the best oil for engine longevity. No question, on 0-20 the engines last a long time, but perhaps a mite longer, on average, with a slightly thicker oil. I'm not suggesting STP Oil Treatment which I used in my Sunbeam Alpine along with 20-40 weight oil in the summers. Hasn't someone previously noted that slightly thicker oils are recommended for the exact same engine in Europe?

 

CCN released a video a few weeks ago addressing this topic of thicker vs thinner oil.|
Summary: Does thin oil hurt engine reliability long‑term? The simple answer is both yes and no.

 

Then there's 0w16 our RXh uses. Is that the case with the ESh as well?

 

Yes, the ESh also specifies 0W/16 oil, since it uses the same 2.5L (A25A-FXS) engine as the RXh. But the new Camry, with the same A25A-FXS engine, uses 0W/8 oil.

 

cool. every man can use what they want. sounds good.