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You guys make some interesting points and I agree this is not scientific whatsoever, but the trend that I noticed is consistent in my experience. Speaking with a tribologist who has his own UOA company I am 100% in agreement with him. He consistently claims that fuel dilution destroys the...

Fuel dilution is a number one cause of oil breakdown, particularly and direct injected engines, I would think with the degradation of the additives this would play a role in MPG reduction. I agree in general that there are a lot of variables with MPG. It’s just hard for me to disregard the trend...

I don’t totally agree if I see a trend. I notice a consistent drop in MPG at about this mileage in the oil.

I have to admit, I have not done a UOA in awhile, but I have my own personal system, not nearly as scientific. I pay pretty close attention to MPG and often reset the trip computer on certain sections of my commute. I do understand many variables affect MPG, but what I have consistently found...

All engines consume some oil, some just consume a hell of a lot less. It’s generally a good thing to have no notable consumption.

I get it, 5w-50 shears rather quickly.

Just under 5k miles. About to change it up a little. Interesting video on filters, why I chose the Purolator.

Racetrack. I blend e85 with 93. E30

The differences between euro fuel and American is the additives / levels of detergents for the most part. American fuel has less of it in general. I run an ethanol blend for higher octane, this negates the carbon issue as ethanol actually cleans injectors and burns cooler than regular fuel...

5w-30 is the thinnest I will run. I’m going to give PUP a try next OCI. Ford no longer recommends 20 weight for these engines.

Yes, probably, but I’m concerned about warranty issues since I can’t any oil chart. Maybe 5w-30 is the safer bet to avoid any issues. 5w-50 is a big jump at hot viscosity.

What I’m getting at is mostly the hot viscosity. It’s an interesting comparison. 0w-40 & 5w-30 are very similar. Trying to find an oil chart that is not CAFE regulated for this engine. Is a slightly thicker oil at 100c is actually better and offers more protection vs 30 weight?

M1 0w-40 vs 5w-30 vs 5w-40 vs 5w-50

I’m in GA, pretty hot in the summer. I don’t believe starvation is so much of a weight thing vs slugging, but I get how thicker oil would potentially flow at a lesser rate. I hear you about the shearing issue. As far as oil chart, there is none that I can see. 5w-30 is listed everywhere. Hard...

Motorcraft 5w-50 Flash Point 185 Degrees Celsius Recommended by Ford Motor Company for use in the Ford GT, Shelby GT-500 and Boss 302 Which is a variant of the coyote 5.0

Funny, I actually spoke with Lake Jr about his recommendations for my f150 before i picked it up. I added my own recipe a bit, but he is a nice guy and very knowledgeable. First OCI at 500 miles. I am running 40 weight, but I am also a big fan of Ceratec’s solid modifier. Cold start protection...

Not a great video and it will expire in a few days, but I don’t think the Coyote gets much quieter than this, lol. It’s fun engine for sure. It seems to right side wheel well is the best place to listen for infamous tick and at times misinterpreted knocking sound these motors are famous for.

Thank you for the welcome. Yes, I added the Ceratec about 500 miles after the switch to 0w-40. Right around 1k miles. The Coyote 5.0 is a noisy engine and according to Ford this is normal. I have used CeraTec in other vehicles in the past with success. It’s also rather popular in the Mustang...

2023 F150 5.0 - Mobile 1 0w-40. I replaced the factory fill at 500 miles with an STP extended life oil filter. 1200 miles on the truck. I also run Liqui Moly Ceratec. It really helps quiet down the Coyote valve train.