Mobil 1 0w-40 - Supercar or FS?

Among the Mobil 1 0w40's, the ESP X3 and C40 GT are the most shear stable. The Supercar 0w40 was tested for 24 months with GM through track use. The Supercar 0w40 is a nice oil. Notice all but the FS 0w40 contain some ester.

Another interesting Mobil 1 oil that gets overlooked is Mobil 1 Truck and SUV. Contains AN and is more shear stable than regular Mobil 1.


1741182256292.webp



For those that think these are just run of the mill oils, take a look at this article. These oils exceed specifications.

https://www.chevrolet.com/the-block/articles/2023/march/mobil-1-x-chevrolet-performance
 
Among the Mobil 1 0w40's, the ESP X3 and C40 GT are the most shear stable. The Supercar 0w40 was tested for 24 months with GM through track use. The Supercar 0w40 is a nice oil. Notice all but the FS 0w40 contain some ester.

Another interesting Mobil 1 oil that gets overlooked is Mobil 1 Truck and SUV. Contains AN and is more shear stable than regular Mobil 1.


View attachment 266501


For those that think these are just run of the mill oils, take a look at this article. These oils exceed specifications.

https://www.chevrolet.com/the-block/articles/2023/march/mobil-1-x-chevrolet-performance
My favorite LSJr vid by far. If I remember correctly Mobil 1 Truck and SUV was even more shear stable than EP.
 
Among the Mobil 1 0w40's, the ESP X3 and C40 GT are the most shear stable. The Supercar 0w40 was tested for 24 months with GM through track use. The Supercar 0w40 is a nice oil. Notice all but the FS 0w40 contain some ester.

Another interesting Mobil 1 oil that gets overlooked is Mobil 1 Truck and SUV. Contains AN and is more shear stable than regular Mobil 1.


View attachment 266501


For those that think these are just run of the mill oils, take a look at this article. These oils exceed specifications.

https://www.chevrolet.com/the-block/articles/2023/march/mobil-1-x-chevrolet-performance
I'm still weirded out by the KV for the FS being way off from what it's supposed to be.
 
My favorite LSJr vid by far. If I remember correctly Mobil 1 Truck and SUV was even more shear stable than EP.
I'm running one of my favorite oils now (AMSOIL Signature Series) but I'm tempted to try either Supercar 0w40, ESP 5w30, Mobil 1 Truck and SUV 5w30, Red Line 5w30 or HPL Euro 5w30. So many great choices my BITOG brain can't decide. :ROFLMAO: I will be doing an oil change hopefully some time this month and want to see how AMSOIL Signature Series held up with all the short trips I've done over the winter. I'll probably have close to 6k miles on the oil. If it drops out of grade, I'll likely move to ESP or Mobil 1 Truck and SUV. I expect it to remain in grade as Amsoil is very shear stable using a very high quality VM.
 
I'm running one of my favorite oils now (AMSOIL Signature Series) but I'm tempted to try either Supercar 0w40, ESP 5w30, Mobil 1 Truck and SUV 5w30, Red Line 5w30 or HPL Euro 5w30. So many great choices my BITOG brain can't decide. :ROFLMAO: I will be doing an oil change hopefully some time this month and want to see how AMSOIL Signature Series held up with all the short trips I've done over the winter. I'll probably have close to 6k miles on the oil. If it drops out of grade, I'll likely move to Mobil 1 ESP or Mobil 1 Truck and SUV. I expect it to remain in grade as Amsoil is very shear stable using a very high quality VM.
Looking forward to that UOA!!! I’m sure the SS over performed.
 
i second the accumulator recommendation. good chance your problem wasn't the wrong oil, but a temporary lack of it ...
 
Ouch! Would love to go back in time, run FS or SuperCar 0w40 on that day and curious if the outcomes would have been different.

Gorgeous ATS brother! Just change the oil more often, even if you waste a bit of $$ for oil on track day, and install that accumulator.

If my wife would let me, I'd trade two 2.0T's for one ATS-V!
 
Once I got the words "track day" I knew 5W30 will not do it. Then I got to the part where you sheered a 40 to a 30 in 2 days and blew an engine on 5W30. Whoa! What comes to my mind after that is 5W50.

It takes me 3000 miles in the 440 horsepower Ecoboost monster to sheer it like that. It took you 2 days! 100% 5W50. I have no knowledge of Super Car but I would be reaching for that...
 
Among the Mobil 1 0w40's, the ESP X3 and C40 GT are the most shear stable. The Supercar 0w40 was tested for 24 months with GM through track use. The Supercar 0w40 is a nice oil. Notice all but the FS 0w40 contain some ester.

Another interesting Mobil 1 oil that gets overlooked is Mobil 1 Truck and SUV. Contains AN and is more shear stable than regular Mobil 1.


View attachment 266501


For those that think these are just run of the mill oils, take a look at this article. These oils exceed specifications.

https://www.chevrolet.com/the-block/articles/2023/march/mobil-1-x-chevrolet-performance
You notice the OP's Blackstone VOA has Supercar at 11.88cSt while this analysis has it at 13.03? And of course we know the above for FS isn't the same as spec, 12.87 vs 13.8.
 
Once I got the words "track day" I knew 5W30 will not do it. Then I got to the part where you sheered a 40 to a 30 in 2 days and blew an engine on 5W30. Whoa! What comes to my mind after that is 5W50.

It takes me 3000 miles in the 440 horsepower Ecoboost monster to sheer it like that. It took you 2 days! 100% 5W50. I have no knowledge of Super Car but I would be reaching for that...
Why has it become so baffling to people....We had 500hp engines, 50 years ago, using 50 grade oil. Now, we have 600+hp turbo engines, and we look for 0w to protect us.....waht happened? Hopefully the end of the cafe standards will allow manufacturers to allow their engineers to decide what oil is best for the engines they created....which is exactly what they knew 50 years ago...when it comes to high power, viscosity is king
To add to this, but i cant find it now, 5w50 was recommended for that engine on the track by GM engineers.
 
Mobil 1 Supercar 0W-40 on sale (from the promo forum):
https://www.farmandfleet.com/produc...-advanced-full-synthetic-0w-40-motor-oil.html

However, track use may require more track dedicated oils like Motul 300V or Mobil 1 C40 GT 0W-40. The name Supercar doesn't automatically mean - track use. Just do more thorough research among people who drives regularly on the track, preferably the same engine as yours.
 
Last edited:
Why has it become so baffling to people....We had 500hp engines, 50 years ago, using 50 grade oil. Now, we have 600+hp turbo engines, and we look for 0w to protect us.....waht happened? Hopefully the end of the cafe standards will allow manufacturers to allow their engineers to decide what oil is best for the engines they created....which is exactly what they knew 50 years ago...when it comes to high power, viscosity is king
To add to this, but i cant find it now, 5w50 was recommended for that engine on the track by GM engineers.
What do you think the Winter grade has to do with the SAE grade?
 
I have built a ton of engines, been hardest on my gt500 (800rwhp) and numerous modular based builds.
Always ran euro 0w40 in n/s applications, and Rotella t5 in 5w40 or 15w40 in blown applications..
(Shelby had 30’is k miles on her and last Blackwood analysis said “if we didn’t know the miles you stated on your sample, we would have estimated half that”)
Anyway, I don’t do track days, but just figured I’d throw that in there.
Currently I run 5w30 Valvoline Restore and Protect in my ecoboost twin turbo car (around town/street fun) and 5w50 supercar in my Coyote truck with a Whipple…(if it didn’t have phasers I’d probably still run t6 in that app., but this is my first venture into a blown v8 with variable cam tech)
Take all that with a grain of salt..
Hope u get it all sorted out..
 
Back
Top Bottom