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Mostly correct, the older SN (not SN+) was GF-5 whereas the newer SN+ is ILSAC GF-6. Also, it’s not what we get from the factory, but also what we’re supposed to get from anyone servicing the vehicle. My point was the OP only stated viscosity. So I wanted to make its not just viscosity but API...

This brings up another issue besides viscosity, the -A oils in the screen capture above are SN oils. The 2024 Mustangs require SN Plus oils to reduce the possibility of Low Speed Pre Ignition “LSPI”. This is probably more common in Ecoboost engines than N/A coyotes. The one approved variance on...

Yep. Watch over the next 400 miles.

Looks good, just keep monitoring for the next few days and few hundred miles to be sure. I think you’re good, time will tell. When mine was new I checked every week then slowed down. It got low by the first 3k, but still above the lower mark.

My concern is it’s also made for the ecoboost engines and thus has provisions for that engine that may not apply as much to the stock (unboosted) coyotes. It’s an SN Plus/SP rated oil that reduces the chance of “LSPI”. SN Plus and SP oils also don’t have a 5w-50 variant. What’s interesting to...

It’s hard to tell my level, but I recently did a full 10qt change and my oil level is mid point between the high and low marks cold. So yours actually seems reasonable given the 9.5 qt spec.

Yep that’s exactly what should be assessed first and foremost - the lower than expected level. If there’s no excessive consumption after a week or so, then if you want to feel safer and get a better safety margin, it wouldn’t hurt to add half a qt of Motorcraft SN Plus 5w-30 semi synth, which...

I believe your first priority is to see if your engine is excessively consuming oil. That is a testable theory. The quickest way to know is to take what you currently have (400 miles, dipstick 1/3 way above lower mark) and replicate your driving conditions over the next week. Take everything...

From the internet (couldn’t have said it better myself): Hot oil checks reflect real-time operating conditions but may be less accurate due to oil expansion. Cold oil checks provide more consistent and safer readings but may not reflect the oil’s behavior during operation. The best method...

Not here to guess, it’s better to know since you’re either perfectly within spec (9.5 qt factory fill) or are in a bad spot (10 qt factory fill and burned half a quart in under 500 miles). This is becoming like Schrodingers cat. I’m advocating that you check it hot when you get home at night and...

Going off of memory you have about 400 miles and drive 40 or 80 miles a day. Since you didn’t set the baseline when you got the car, it’s safer to assume it was full top from the factory and you lost half a quart in 5 to 10 days. That’s alarming if true. Therefore test it everyday for the next 5...

Mine is a late 2023 as well, 11/29 to be exact. I put waaay too much research in to this. Even compared the ones from Dorman at a local auto parts store and Hilman from Lowe’s. Nothing is close except for the Ford ones and the matching “Chrysler” ones that I have in my response above. I guess...

As long as it’s in between the two marks you’re fine. You just have to monitor the level for stability, which may not happen for quite a while. Having it closer to the upper mark is a greater margin of safety if you’re not sure about oil consumption.

I don’t like engineering a solution for a car under warranty. These are cheap insurance IMO.

It’s not bad per se, it just resets your baseline for monitoring consumption, which is what really matters here (and not going below the lower mark). Maybe add only half a quart as you don’t want to go above the upper mark if it makes you feel safer.

I waited to mitigate the BBQ Tick. But got a slight case of it anyway. There’s a theory that the Ford factory oil contains an additive (XL17) which is suspended graphite/graphene. Look up “Coyote XL17” for more info on that. For more in depth information look up “suspended graphite oil”...

It’s hard to say how much oil consumption you had unless you have a comparison from when the car was brand new. Was it at the top mark, did the level change at all? As long as you’re above the min mark, no reason to add anything, but if your vehicle is consuming a lot of oil be prepared to do...

I don’t believe W711687-S300 is correct. Instead I the got W709371-s300, and they look exactly like the Au-Ve-Co Chrysler spec 23966 as well as the ones I pulled out (definitely one-time use). This was confirmed by a local dealer who had to look it up by part number to show it fits the 2024...

https://www.transmissiondigest.com/ford-unveils-2021-bronco-with-7-speed-getrag-manual-transmission/

It seems that the original oil capacity spec was 10 quarts and the updated spec is 9.5 quarts. Maybe that’s what the new spec looks like on the dipstick. If that’s true and since you’re within the marks, it means you should be diligent on checking the level more frequently to ensure you don’t...