5w30 in Corolla 2019

SR5

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even 20W-50 says Toyota...
Yep, and I guarantee that someone in Australia will be running it on 20W50 too. But probably not that many all up.

However 15W40 (SN & A3/B3) and 10W40 (SN & A3/B4) oils are very cheap and plentiful here, and I’m sure many people will be running these cars on a 40 grade oil without problem. Summer and winter, years on end.
 
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So I'm assuming you are regularly having oil temps above 105c requiring a step up in grade.

Maybe , with many cars going to exhaust manifold-in-head designs this will happen.

My Fit 1.5 was that way, as is GM 3.6 V6, Pentastar 3.6 V6 and My Jetta 1.4t .
The Jetta never ran real hot though.
It had an advanced multi circuit cooling system.
 
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Dear Sir, my Corolla is Canadian one, I received it directly from Canada, Ontario, Cambridge, where the same CAFE’s restriction are applicable, that’s why I asked for opinions right here....
Yes, sorry. I edited my post after realizing. My error.
 
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You could always go half and half and end up with a 25 instead of a constant 20 or 30. In other words slowly introduce it to your car instead of giving it a full dose all at one time.
This is what I did....but not really intentionally. From the spring through the summer I did a few oil changes for some friends. Ended up with 2 perfectly good quarts of Valvoline synthetic 0/20 and 2 quarts of Valvoline synthetic 5/30. No way I way I was going to waste it. So I mixed it and it recently went into my wife's '19 Corolla LE.

No problems....and I didn't expect there would be. The car couldn't care any less.

That said...I will probably stick with a 20 most of the time. So next OC I'll be using M1 EP 5/20. It's a heavy 20....coming in at a 9 @ 100°C
 
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Interesting that Toyota ships cars from Canada to Israel. I would think Europe is much closer.

Israel charges a 83% purchase tax on new cars so cars are super expensive there compared to North America.

If you move to Israel under the Aliyah program, they allow you to import a car without having to pay any taxes.

That's my guess about how it got from Canada to Israel
 
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Yep, and I guarantee that someone in Australia will be running it on 20W50 too. But probably not that many all up.

However 15W40 (SN & A3/B3) and 10W40 (SN & A3/B4) oils are very cheap and plentiful here, and I’m sure many people will be running these cars on a 40 grade oil without problem. Summer and winter, years on end.
I sure wish we had 15w40 PCMO in the states.
 
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in southeast asia toyota 1.3, 1.5 and 1.8 engines are ubiquitous but i’ve never seen any -w20 oil for sale. retail shelves are full of -w40 oil. outside of warranty compliance terms, i would be quite content running -w30 in any of those stout little toyota engines in any locale. -w30 was in my dear departed 2004 corolla and nourishes my beloved 2014 yaris.
 
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If it's like every other toyota manual I've seen, all they say is required is "ILSAC GF-5 Multi-grade" which means 0w20,5w20,0w30,5w30,and 10w30 are be permitted, it's just that 0w20 is 'recommended' but thicker oil is recommended when using the car in more severe conditions.
 
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