0W-08 Engine oil

[Al]

A friends 2.0 Toyota uses it. Boggles my mind. He is planning to switch to 0W-16. I suggested he go to 0W-20

 

[kschachn]

Here are a few other discussions on this topic.

Your friend should not switch to an 8-grade unless the owner’s manual lists it as acceptable.

https://bobistheoilguy.com/forums/threads/tribologist-discusses-0w8-motor-oil.381075/

https://bobistheoilguy.com/forums/threads/new-2023-corolla-and-0w-8-oil.369592/

https://bobistheoilguy.com/forums/threads/eneos-0w8.361478/

https://bobistheoilguy.com/forums/threads/toyota-crown-takes-0w8-oil.363885/

https://bobistheoilguy.com/forums/t...e-oil-for-fuel-efficiency-improvement.346749/

https://bobistheoilguy.com/forums/threads/0w8-and-0w12-api-discussion.378939/

https://bobistheoilguy.com/forums/threads/why-i-switched-to-0w8.345305/

https://bobistheoilguy.com/forums/threads/0w8.305665/

https://bobistheoilguy.com/forums/threads/0w-8-has-gone-mainstream-m1-afe-0w-8.380339/

https://bobistheoilguy.com/forums/threads/0w-8-is-here-jaso-glv-1.327689/

https://bobistheoilguy.com/forums/threads/0w-8-oil-lubes-and-greases-magazine.269355/

https://bobistheoilguy.com/forums/threads/new-ravenol-ultra-fuel-economy-0w-8.361059/

 

[I<3oil]

I'd go with a 0W-04 to ensure better mpg

 

[oil pan 4]

0w-8 = nope
0w-16 = nope
0w-20= nope

 

[StarCaller]

 

[ZeeOSix]

A friends 2.0 Toyota uses it. Boggles my mind. He is planning to switch to 0W-16. I suggested he go to 0W-20

If the OM recommends 0W-8, then going up a grade to 0W-16 should give some extra engine protection. It could use 0W-20 too without worry.

Engines that spec 0W-8 and 0W-16 incorporate design features to run oil that thin. Engines not speced to use those oils aren't designed to use it, and should only use xW-20 and above. 0W-8 and 0W-16 have their own ILSAC designation and unique APl logo on the bottles for a reason.

 

[RDY4WAR]

If it was me, I would stick with 0W-8 but a good 0W-8 like HPL Premium Plus 0W-8. There's a member here who's been going 25-30k mile intervals (hybrid) on that oil with good results. A 0W-16 would be fine, so would a 0W-20, but I think switching to such would be an autoschediastic move rather than a pragmatic one.

 

[Pablo]

A friends 2.0 Toyota uses it. ..............I suggested he go to 0W-20

Why?

 

[Triple_Se7en]

0w-8
0w16
0w20'
0w30 Euro
All nopes for me.

I've been content using 0w40 Euro SP in the past.

 

[Patman]

I’m sure a lot of people here know this already but there isn’t that huge of a difference in operating viscosity between a 0w16 and 0w20. Case in point, with Mobil 1 their 0w16 has a viscosity of 7.6 at 100c, and the 0w20 AFE is 8.2 cst. Your engine will barely notice the difference between them. With their 0w8 though, there is a bigger difference, it has a viscosity of only 5cst at 100c. Not sure what the HTHS numbers are for each of these but I would expect that number to be pretty close between the 16 and the 20, and have a more significant drop for the 0w8.

In any case, I would expect that most of the cars that specify 0w8 are the types of cars that people are generally not going to drive very hard and almost certainly won’t be the kinds of cars that people would want to take to the race track

 

[DirectRejection]

A friends 2.0 Toyota uses it. Boggles my mind. He is planning to switch to 0W-16. I suggested he go to 0W-20

I am guessing that it is a Toyota Crown.

What type of driving does your friend do ?

~170k miles on HPL PP 0W8 and counting.
~30 k mile OCI.

Toyota 2.0L engine predominantly.

YMMV.

 

[TiGeo]

I’m sure a lot of people here know this already but there isn’t that huge of a difference in operating viscosity between a 0w16 and 0w20. Case in point, with Mobil 1 their 0w16 has a viscosity of 7.6 at 100c, and the 0w20 AFE is 8.2 cst. Your engine will barely notice the difference between them. With their 0w8 though, there is a bigger difference, it has a viscosity of only 5cst at 100c. Not sure what the HTHS numbers are for each of these but I would expect that number to be pretty close between the 16 and the 20, and have a more significant drop for the 0w8.

In any case, I would expect that most of the cars that specify 0w8 are the types of cars that people are generally not going to drive very hard and almost certainly won’t be the kinds of cars that people would want to take to the race track

But you know BITOGers....need that thick oil to drive at <2K RPM to the grocery and back once a week at 5 under the speed limit with their turn signal left on....

 

[TiGeo]

I am guessing that it is a Toyota Crown.

What type of driving does your friend do ?

~170k miles on HPL PP 0W8 and counting.
~30 k mile OCI.

Toyota 2.0L engine predominantly.

YMMV.

Not permitted here sir.

 

[DirectRejection]

Not permitted here sir.

LOL.
I do not have days at the track.
But have been getting 500# payloads lately.
150 mile trip to exciting Clovis, California...110°.
Nothing to see here.

HPL makes the best darn motor oil.
Extended drains create truly exceptional value.
BITOG is just too autoschediastic for its own good.

 

[TiGeo]

LOL.
I do not have days at the track.
But have been getting 500# payloads lately.
150 mile trip to exciting Clovis, California...110°.
Nothing to see here.

HPL makes the best darn motor oil.
Extended drains create truly exceptional value.
BITOG is just too autoschediastic for its own good.

Of course it's been fine! Love that someone is using longer drains on thin oils despite the typical commentary here.

 

[Bill7]

I'd go with a 0W-04 to ensure better mpg

2008 was the last sane year of the Toyota Corolla. That year's Corolla is speced only for 5W-30 for all temperature ranges in the owners manual. In the owners manual and dashboard maintenance minder light, Toyota recommends 5,000 Mile / 6 month OCI (not 10,000 mile OCI). It uses screw on oil filters (not cartridges), normal tension piston rings (so no oil burning), bulletproof engine and transmissions that several forums say you can drive it 300k miles. I'm getting about 40 MPG on the highway.

I'm getting 40 MPG with 5W-30 and normal tension piston rings in my 2008 Toyota Corolla.
I'm not understanding the need by Toyota to go to 0W-8, on these new vehicles. Could a car speced for 0W-8 reach 300,000 miles on the original engine? Time will tell.

 

[sohccammer427]

0w-8? Just omit all VI's and make a straight 5 or 10 weight and be done with it.

 

[JakeBlade]

Here are a few other discussions on this topic.

Your friend should not switch to an 8-grade unless the owner’s manual lists it as acceptable.

Fun Fact: Toyota owner manuals say different things, for the exact same vehicle, depending on which continent it is sold at.

2023 Highlander Hybrid U.S. (0W-16, 0W-20 temporary)
2023 Kluger Hybrid A.U. (up to 10W-30 except if cold out)

 

[Triple_Se7en]

~170k miles on HPL PP 0W8 and counting.
~30 k mile OCI.

Toyota 2.0L engine predominantly.

30k OCI?
You should be sitting next to the HPL Bigwigs at the next Thanksgiving Day HPL Parade on 34th Street in Illinois.
But you cannot sit in a seat marked for Mr. Wilson.

 

[I<3oil]

2008 was the last sane year of the Toyota Corolla. That year's Corolla is speced only for 5W-30 for all temperature ranges in the owners manual. In the owners manual and dashboard maintenance minder light, Toyota recommends 5,000 Mile / 6 month OCI (not 10,000 mile OCI). It uses screw on oil filters (not cartridges), normal tension piston rings (so no oil burning), bulletproof engine and transmissions that several forums say you can drive it 300k miles. I'm getting about 40 MPG on the highway.

I'm getting 40 MPG with 5W-30 and normal tension piston rings in my 2008 Toyota Corolla.
I'm not understanding the need by Toyota to go to 0W-8, on these new vehicles. Could a car speced for 0W-8 reach 300,000 miles on the original engine? Time will tell.

If you're getting 40mpg with 5W-30, you could get like 50-60 with 0W-04!