lol at using 0w20…
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Can you translate in to english?
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The Toyota motor oil 0W20 sheared down out of grade during a 1000 mile interval. SAE J300 range at 100C for 0W20 is 6.9 to 9.3 cSt. Presumably, at 1000 miles, the analysis showed the oil at a lower viscosity.
My first 1000 mile OCI, the Toyota 0W20 had a viscosity of 6.88 cSt @ 100C, a 0W16, or very thin 0W20. There was some fuel dilution and it was a first oil change so some thinning might be expected. Waiting on the 2500 mile OCI analysis.
That report had 3 samples. Reading the columns from right-to-left, 3 oil changes were done with 1K miles on the oil, 2K miles on the oil, and 3K miles on the oil.
The first two samples had a 5.95 cSt Viscosity at 100C. The third and last sample had 6.10. The range for a 0W-20 oil is between 6.0 and 9.7 per the report.
What I'm saying is that the first two oil changes were below that range, so the oil was out-of-grade. The third and final was in-grade, but just by a hair.
I have been learning a lot about motor oil over the last few months and I plan to switch to 0W-30 very soon. I'm currently at 2,500 miles and I plan to use up the remaining 0W-20 PUP for the 3,000 and 5,000 mile OCI's. After that, I will be using Mobil 1 ESP 0W-30.
By the way, for all those interested, I will be posting my UOA's on BITOG for the next few OCI's. You can follow it here:
https://bobistheoilguy.com/forums/t...atinum-0w-20-900-mi-used-oil-analysis.410352/
https://bobistheoilguy.com/forums/t...atinum-0w-20-900-mi-used-oil-analysis.410352/
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Blackstone Lab's analysis reported the original factory 0W20 Toyota motor oil with a viscosity of 6.15 cSt from my first oil change at around 1,300 miles. I'm a newbie to doing oil analysis, but people had told me that the original factory Toyota 0W20 motor oil had essentially thinned to viscosity like 0W16. When I did my first oil change, I decided to use Pennzoil Ultra Platinum (PUP) 0W20 motor oil instead of using Toyota motor oil. It'll be interesting to see if the PUP breaks down as much as the Toyota motor oil when I do my next oil change and analysis. I'm guessing that the PUP oil won't break down or thin out as much, but we'll see...
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just use 5w30... there's nothing wrong with NOT using 0w20
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Mobil 1 ESP 0w-30 also has the best base oils (PAO) of anything off the shelf at your local Walmart or AutoZone.
Cold start benefits of a 0w with a stout additive package and low saps so good for your cat converter.
If it’s good enough for a Porsche engine that cost more than my truck it’s good enough for me.
If anyone is panicky about warranty claims just buy an order of 0w-20 and return it and keep the receipt. Easy peasy
Toyota didn’t design this engine with a particular grade in mind and the oil pump worry is nonsense. A hot 50 weight oil is thinner than a cold 16 weight so that argument doesn’t hold water (or oil as thin as water.
Cold start benefits of a 0w with a stout additive package and low saps so good for your cat converter.
If it’s good enough for a Porsche engine that cost more than my truck it’s good enough for me.
If anyone is panicky about warranty claims just buy an order of 0w-20 and return it and keep the receipt. Easy peasy
Toyota didn’t design this engine with a particular grade in mind and the oil pump worry is nonsense. A hot 50 weight oil is thinner than a cold 16 weight so that argument doesn’t hold water (or oil as thin as water.
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