15W-50 MOBIL1 Reviewed By A Certified Lubrication Specialist

Lake Speed Jr is a world renowned Certified Lubrication Specialist and Oil Analyst. In this video, Lake reviews the Virgin Oil Analysis results of Mobil 1 15W-50.

Drawing on his years formulating and testing engine oils and lubricants for Joe Gibbs Racing, Lake goes beyond just how many parts per million (ppm) of each additive are in the oil.

This post contains affiliates links (that at no cost to you) I may earn a teeny tiny commission if you choose to purchase them.

#motoroil #mobil1

[smoadia]

i'm a lubrication engineer and am so glad to see another fellow specialist continually educating me on the finer things

[chalkster]

Another great instructional video Lake. Tremendous insight into the little discussed aspects of a very complex chemistry. Engine Oils in particular are largely misunderstood by so many people. Well explained.

[kemicalx]

I’ve always run this oil (in synthetic form) in my boat engines which are run at a constant rpm of 3200 and under a load the whole time. I like the peace of mind that I have the protection there. Great stuff.

[edwardmyers]

Hi Lake! Nice to see you're still active in the lubrication field! Keep up the good work!

[epjetta]

This has been my oil of choice for all my older flat tappet vw engines that get driven hard and raced at autox events. Never had any issues on any engine ever.

[lancejanowsky]

Oh, to add to my last comment about the 2 different looking jugs.... On the back of the 'red 15w 50' one.... It says 15, 000 miles instead of 10, 000. Where it compares the different oils with the different boxes check marked. So something is definitely different about it. I figured u were the guy to ask and clear up w some of us who were wondering. Thanks again

[joefrasson]

I have used this oil for years here in Las Vagas in my 67 Olds 330....It is clean as a whistle inside and runs just fine...

[mdhunter]

Hi Lake, Thanks for doing what you do for us car guys and gals out here. There's a lot of talk out there about direct injection like my 2023 6.2 liter 2SS Camaro. I picked this video because the 15W-50 Mobile 1 is one of the recommended oils to use in my car if it was going to be tracked. My owners manual says to use Mobil 1 0W40 but doesnt specify which blend. ESP, Supercar, etc. but i have been told not to use the european blend. I can also use Mobil 5W-30 R Thats; a lot of choices without much clearification. Now my car hasn't reached its recommended 1500 mile break in but i did have the oil changed per the owners manual 500 miles at my dealership. The service writer could not tell me which oil they used but assured me it was safe for my car. Haha ! Sorry this is long winded. I guess my question is, since Mobil 1 ESP and Supercar are impossible to find on the shelf here in Maryland, Is there another oil you could recommend to use in their place and any other detail you'd like to add.
I think this would be a great video for you to cover this issue
Thanks

[RadioReprised]

I have run this in My KTM 450 for 13 years in both sides of the Engine (clutch and engine are separate) with no issues or slipping.

[cujet]

I'd like to see the HTHS numbers in your reviews. I wonder if that's changed also. By memory, the previous generation M1 15W-50 HTHS was 5.11. EDIT: the nerd in me forgot to say "thank you" for the superb oil review.

[Yelladog]

Mobil 1 V twin is a great oil for flat tappet older style engines during extreme summer heat here in the southern United States. Resist breakdown from heat & has a good amount of zddp without becoming acidic

[jacksonmagriplis]

All my baseline samples go against my future samples for all ISO4406 and viscosity and contamination parameters, congrats on this video

[jameseroh]

Back last century I used the 15w50 Mobil 1. Later I learned that 5w40 synthetic oil of any brand, gets way better performance in any weather. Also the fuel economy is superior. And in a 4 cylinder engine, there is noticeably more power available for forward motion.

[dylanknight]

Yeah. Been using Mobil 1 on my highly modded, big turbo ford and I’m at 105k miles and the engine is clean and pure as it was day 1. I definitely attribute it to good oil and quality gas.

Quality gas is something I think a lot of people overlook as well when it comes to longevity of a vehicle.

[RandyHouk]

I've been using this 15W-50 Mobil 1 in my two BMW boxers for years. These "oil head" bikes have a dry clutch, so engine and gearbox oil are separate unlike more modern water cooled boxers with wet clutch and shared engine/gearbox oil. Five quart jug at Walmart for about $25!

[justinc]

Interesting reviews, Thank you for taking the time to make these videos. Subscribed

[anthonyromano]

Would love to see a review of the 5w50

[my.motorrad]

I use this oil in my motorcycle. It's similar to their VTwin oil and a lot cheaper.

[randomschmo]

Fwiw if anyone interested, i put 400, 000 miles on my '02 santa fe, and always used synthetic oil (mostly castrol syntec; some mobile 1). It was burning only about one qt between oil changes until i sold it to my friend (he wrecked it :(.

[lancejanowsky]

Hi Lake. I never thought my main 2 channels on YouTube would b oils/lubricity/engine components ('total seal' and your other channels) etc. U and 'lubrication explained' are such a great synergy. He's also a nice guy. Really do love your stuff and his also. How would u rate 'antimony' in with zddp, boron, Moly, etc. Shaeffers uses some of that. And how much ppm is needed for positive effect? Because their (schaeffers) amounts are very low. Like under 50ppm. Would it compete w those other anti-wears and b more harmful than good, or would they all play nice together and b better than just one. Thanks so much!