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Re: Thin or thick (TGMO 0W-20/M1 0W-40): Final verdict [Re: ofelas] #5058112 03/29/19 07:30 PM
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OVERKILL Offline
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Originally Posted by ofelas
AFE = the younger brother of AME ?


Mobil 1 Advanced Fuel Economy


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
2020 Grand Cherokee SRT - Ravenol SSL 0w-40, FRAM Ultra
Re: Thin or thick (TGMO 0W-20/M1 0W-40): Final verdict [Re: Gokhan] #5207105 09/07/19 01:35 PM
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Gokhan Offline OP
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2020 Toyota Prius Prime XLE plug-in hybrid, 2ZR-FXE engine, ~ 4,000 mi
TGMO 0W-16 SN/RC Japan
OEM spin-on oil filter Japan
Re: Thin or thick (TGMO 0W-20/M1 0W-40): Final verdict [Re: Gokhan] #5208819 09/09/19 08:44 PM
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For me Toyota put an end to my concerns about thin v. thick and cafe requirements.


Page 673 of owners manual of my 2019 rav4 hybrid states that
" An oil with a higher viscosity (one with a higher value) may be better suited if the vehicle is operated at high speeds, or under extreme load conditions. "

0W16 is the preferred oil here in USA.

So a thicker oil might provide better protection at high speed's like driving 8 hours on the highway on a hot summer day.

This is further confirmed by 2019 rav4 hybrid owner manual for Australia. It allows 10w30 roughly at 0 F and 15w40 at roughly 10F.

So now I have no more concerns about vvt etc. not working properly as I use thicker oil in warmer temperatures.

Re: Thin or thick (TGMO 0W-20/M1 0W-40): Final verdict [Re: Gokhan] #5208921 09/10/19 02:42 AM
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Navi Offline
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My goal is to put at least 150k on my vehicles so I vote thick. No "20s" like 5W20. All I use is 5W40.

Re: Thin or thick (TGMO 0W-20/M1 0W-40): Final verdict [Re: Gokhan] #5209444 09/10/19 04:22 PM
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Gokhan Offline OP
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I think this thin/thick thing has become a moot issue now. When I was in the market for a new car, I was looking at the BMW X3, and it turns out that all new BMWs and Audis, except for the racing versions, are now using 0W-20. Every car is trying to improve its MPG and oils with HTHS viscosity ≥ 3.5 cP are becoming a thing of the past, regardless of whether you live in US or Europe. TGDI engines, hybrids and plug-in hybrids, and EVs are becoming common for the same reason.

Moreover, 0W-16 is now becoming mainstream and 0W-20 is a "thick oil" now.

If I had a new car and was worried that 0W-16 or 0W-20 was too thin, I would probably only go up to a synthetic 5W-20, which usually has a base oil as thick as that of a 5W-40 and considerably thicker than that of a 5W-30 and the HTHS viscosity should be sufficient for most applications unless you are really pushing the vehicle to extremes.

Moreover, most new cars come with free-maintenance periods and you don't get a say on the oil choice.


2020 Toyota Prius Prime XLE plug-in hybrid, 2ZR-FXE engine, ~ 4,000 mi
TGMO 0W-16 SN/RC Japan
OEM spin-on oil filter Japan
Re: Thin or thick (TGMO 0W-20/M1 0W-40): Final verdict [Re: Gokhan] #5209661 09/10/19 08:46 PM
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So far I have used Mobil 1 0w-16 AFE year round (snow season and hot summer) on my Camry. I don't have any oil consumption problem. It is much cheaper than the TGMO and readily available at Wal-Mart. I pair it up with Fram Ultra. Works well for me.

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