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A “heavier” oil will cause higher oil temps though right? So does it really offer better protection? Or is the trade off still worth it

How much of a difference is there truly between a .8 to a .9x when it comes to ash content?

Those are VOA, couldn’t find VOA for the other oils. Owners manual states 0w20, which I am not interested in.

Mostly interstate driving at 72 mph uploaded. I do mix in some towing and city driving but it’s probably 75% highway

I did find some VOA on the second and 4th columns. I will attach them. I wanted to keep brand bias out of this but, I guess to clear things up the first column is Amsoil 5w30 (DHD) second is Amsoil 5w40 (DEO) Third column is Amsoil “dexosD” 5w30 (DP530) which is also what my UOA came from and...

Dang, my truck doesn’t even come close to 1k regens and it’s factory stock outside of some tires. I’ve heard some of the earlier LM2 guys say they get 600 miles, but mine and a lot of the LZO guys I’ve heard from are drastically less. Almost spends more time in Regen than not.

I live in Missouri so the temperature varies drastically from below 0°to over 100°. I do not have any VOA. I do have a used on the oil in the third column, truck was still brand new and breaking in so wear metals are probably little off

Which of these oils would you guys choose based on these specifications alone? For reference I have a ‘23 half ton with the little 3.0 duramax. I’m going to be taking 7 hour trip pulling a smallish camper (well within towing limits with camper, family, and all our gear) through the hills and...