Oil - GR 0w-20 is thicker than mobil1 0w-20

[FuzzyRev]

The parts guy said the GR stuff is thicker

I'm gonna have his ass fired by the end of the week.

0W-20 is 0W-20 is 0W-20. It's all API certified to meet those viscosity parameters.

The only difference is the GR oil has the ACEA C5 rating, which is a Euro-based certification for oils that are particularly friendly to Three Way Catalysts and/or GPFs in the long run. That's it.

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[concept]

I'm gonna have his ass fired by the end of the week.

0W-20 is 0W-20 is 0W-20. It's all API certified to meet those viscosity parameters.

The only difference is the GR oil has the ACEA C5 rating, which is a Euro-based certification for oils that are particularly friendly to Three Way Catalysts and/or GPFs in the long run. That's it.

I believe a new cat run $3000 or so.

 

[DEupra]

I believe a new cat run $3000 or so.

How much does a new engine cost?

 

[concept]

How much does a new engine cost?

That doesn't seem to be easy to look up. I've seen used 3.0s listed for $9000+.

 

[gixxersixxerman]

If you really want to know how your oil is doing, then get a UOA after every change. It doesn't matter how it looks, doesn't matter "how it feels" get a UOA and it will tell you exactly the state the oil is in. You can monitor wear by how much material in in the oil. If anyone is that worried about oil and their engine, then they should be paying the 35$ each oil change and finding out exactly how the oil is.

Just be shocked when your street car with good oil, is still protecting just fine at 10k miles. Then come on and tell everyone how the people doing the testing don't know what they are talking about and how my brothers friend's wife's boyfriend has a guy who swears it still needs to be changed every 3k miles, but I should do it at 2,500 because its cheap and I can afford it

 

[razorlab]

I believe a new cat run $3000 or so.

Just stop with the fear mongering based on little to zero experience and please stop interjecting when you don't even know the answers.

I ran 5w40 for 21 track days, on the OEM cat, which is probably equivalent to you driving your supra for 5 years on the street. Looked brand new when I took it off.

You can pick up a brand new OEM cat from bmw for $1,270 or $1,600 if you want to pay MSRP, and before you say it's a Toyota specific downpipe, it is not, exact same thing, same markings, etc.

We already went through this BS with the rear differential.

I have a bunch of oil testing on the car from over 50+ track days now. How many oil tests have you done? You just regurgitate google search findings.

That doesn't seem to be easy to look up. I've seen used 3.0s listed for $9000+.

It's very easy to look up. You just don't know how.

 

[type-964]

Every time a new oil thread is created, I lose a few brain cells. ?

 

[concept]

Just stop with the fear mongering based on little to zero experience and please stop interjecting when you don't even know the answers.

I ran 5w40 for 21 track days, on the OEM cat, which is probably equivalent to you driving your supra for 5 years on the street. Looked brand new when I took it off.

You can pick up a brand new OEM cat from bmw for $1,270 or $1,600 if you want to pay MSRP, and before you say it's a Toyota specific downpipe, it is not, exact same thing, same markings, etc.

We already went through this BS with the rear differential.

I have a bunch of oil testing on the car from over 50+ track days now. How many oil tests have you done? You just regurgitate google search findings.



It's very easy to look up. You just don't know how.

First of all, you should go back to the original poster's question which was about whether or not there is a difference among the different 0W-20 synthetic oils.
The correct answer is that yes, there is. I explained that if you use oil that is not specified by Toyota for the GR Supra, a dealership may void an engine issue-related warranty.

No dealership would give a crap about your experience with other oils. Your Supra is probably not under warranty, anyway. I get that you never go to dealerships, but not everyone wants to take the risk. I was very clear about what the oil guy at Liqui Moly told me - USE THE FACTORY-SPECIFIED OIL OR EQUIVALENT OIL BY LM (that meets the criteria) FOR STOCK SUPRAS AND STREET USE, IT IS PERFECTLY OKAY.

Maybe you should call LM and blast them for telling their customers that.

Second of all, you were completely wrong about my diff leak. Two Supra techs and an independent BMW repair shop owner all agreed on the diagnosis - axle shaft leak, not the breather tube at the top of the diff or a plug leak.

You're not Gregory House anymore.

 

[razorlab]

First of all, you should go back to the original poster's question which was about whether or not there is a difference among the different 0W-20 synthetic oils.
The correct answer is that yes, there is. I explained that if you use oil that is not specified by Toyota for the GR Supra, a dealership may void an engine issue-related warranty.

No dealership would give a crap about your experience with other oils. Your Supra is probably not under warranty, anyway. I get that you never go to dealerships, but not everyone wants to take the risk. I was very clear about what the oil guy at Liqui Moly told me - USE THE FACTORY-SPECIFIED OIL OR EQUIVALENT OIL BY LM (that meets the criteria) FOR STOCK SUPRAS AND STREET USE, IT IS PERFECTLY OKAY.

Maybe you should call LM and blast them for telling their customers that.

Second of all, you were completely wrong about my diff leak. Two Supra techs and an independent BMW repair shop owner all agreed on the diagnosis - axle shaft leak, not the breather tube at the top of the diff or a plug leak.

You're not Gregory House anymore.

The OP asked if two different 0w-20 oils are thicker than the other or not. Please explain to us how that can be. Show your work.

I was referencing that we use the same diff as BMW, because it's a BMW. Please explain how this is not true. Show your work. But since you brought up something different, I never said for certain it was the oil weeping out of the breather. I stated I would laugh at you more than I already was if it was that.

BTW, you contradicted yourself in your second paragraph.

I was calling you out on things you know nothing about and just copy-pasta search results. Please explain to us how educated you are about the longer term and harsh usage of heavier weight oils in the Supra and show your work.

Gregory house? Okay boom....er. Next you will make a reference to Lawrence of Arabia or something else just as cringe worthy.

"There is nothing in the desert, and no man needs nothing." Here, I saved you the effort.

 

[omfgzilla]

First of all, you should go back to the original poster's question which was about whether or not there is a difference among the different 0W-20 synthetic oils.
The correct answer is that yes, there is. I explained that if you use oil that is not specified by Toyota for the GR Supra, a dealership may void an engine issue-related warranty.

No dealership would give a crap about your experience with other oils. Your Supra is probably not under warranty, anyway. I get that you never go to dealerships, but not everyone wants to take the risk. I was very clear about what the oil guy at Liqui Moly told me - USE THE FACTORY-SPECIFIED OIL OR EQUIVALENT OIL BY LM (that meets the criteria) FOR STOCK SUPRAS AND STREET USE, IT IS PERFECTLY OKAY.

Maybe you should call LM and blast them for telling their customers that.

Second of all, you were completely wrong about my diff leak. Two Supra techs and an independent BMW repair shop owner all agreed on the diagnosis - axle shaft leak, not the breather tube at the top of the diff or a plug leak.

You're not Gregory House anymore.

 

[lucky phil]

One oil brand of the same labelled viscosity can be thicker or thinner than the other. Like most labels viscosity identifiers have a range. So one 0W-20 brand can have a higher or lower upper 20 viscosity than another and almost always do although both are still in the same 20 weight viscosity range. If you look at the actual measured viscosity at 100C for any oil in the same indicated viscosity you'll often find they are slightly different. Some can actually be bordering on the threshold of the next higher or lower viscosity range and if compared to another oil at the opposite end of the range spread the difference can be noteworthy. If you are interested in that sort of detail that is.
Phil

 

[razorlab]

If you look at the actual measured viscosity at 100C for any oil in the same indicated viscosity you'll often find they are slightly different.

You guys are getting WAYYYYYYYYYYY too pedantic. You guys really do yell at clouds.

We are talking very slight point differences here.

Here are six different 0W-20 oils and their viscosity measured at 100c:

Here are a bunch more:

Here is Motul 8100 X-Cess 5w40 that I have run since I bought my Supra. Each test has about 4-5 track days on it. 50+ track days across all these samples.

I share this ACTUAL REAL WORLD data because we don't just fill our cars with oil and never run the engine while standing around yelling at clouds.

 

[lucky phil]

Yelling at a few clouds seems like an easy and time efficient way to get someone else to research the macro topic details for you. Love your work Razor
Phil

 

[FLtrackdays]

LL01 or LL04 approval

The BMW way

I have been topping off the oil in my car for three years with Mobil1, 0-20 and this weekend I went to buy new spark plugs and saw on the shelf the "GR!1!" bottles available. The parts guy said the GR stuff is thicker, and then my supra mechanic said oof, use liquimoly. Why tf would toyota do this? Or does this shit not even matter.

https://bobistheoilguy.com/forums/threads/motul-x-clean-gen-2-5w40.385448

You have options. This oil forum has lots of good oil discussions for our engine. Definitely worth checking out.

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