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My 6.2 in my 08 Yukon Denali gets 5w-30 to tow my 28 ft boat. Wellcraft nova3. On aluminum tandem trailer about 8k lb. If I towed every day it would be a 40wt.

I used amsoil 10w-30 motorcycle for 2 oil changes in s jeep I had. I was poor, did not have anything else. Worked fine lol.

There is some evidence that manufacturing problems are a problem air instead of fluid machining swarf removal et al. But others Korean and Eastern Europeans are pointing to the variable oil pump situated in the balance shaft module. My tgdi theta2 2011 sonata se sees mostly 40 weights in summer...

Your owner's manual have a post script about for added performance use 5w-40 like mine did 2011 sonata se 2.0t?

2008 Yukon Denali 148k m1 and fram ultra out 3300 miles on oil and filter but 5 years oci. Kreen flush 1 pt and two idle sessions. M1 hm ep 5 qts and m1 5w-50 qt. In with pure one filter plus some lubegard biosyn and hpl booster.

I find it ridiculous on a vehicle like mine. Thankfully I just switch the driving mode off eco to sport and it turns off. 577hp 590tq and 4300lbs and you think a half mile a gallon is worth all the extra wear? Stupid.

I run redline d4 in my hyundai sonata 2.0t 6 speed that calls for hyundai sp4m which is a d6 viscosity. I run a bottle of lube gard red in it. Cooler line flush evey 40k miles. Runs great. 122k on car.

Alkylated napthalene not a choice?

I can do most preventative maintenance myself, and have a good indie shop nearby that specializes in European cars.

Yes it sounds good even though it's the 5.5 biturbo. I made them do an oil change to observe the oil and filter for debris, do all the recalls and codes, put in the proper sparkplugs indexed properly.

I guess you didn't read the thread from the beginning... I thought I was into it like the other posters above warn, but so far, it's good. Whatever they did to fix it after they blew it up - so far, so good.

It runs like a raped ape scalded with oil. Shifts come fast and hard like its going to break something, every one who I've given a ride to are shocked. I have no complaints about anything.

I'm glad we were able to agree. You said "The products the OP wants to use will work fine for 5K and beyond." I said "All of those filters I've used, they all seemed to work fine, I'd see no difference from my perspective." I have used microgreen, amsoil ea, Pure one and other purported high...

On-sale now https://www.walmart.com/ip/Valvoline-Extended-Protection-Full-Synthetic-SAE-5W-30-Motor-Oil-5-QT/362333163

Since both of the posters above want to bloviate about empirical vs anecdotal rather than answering the op's question of "Considering if I'm doing 4-5K intervals, would there be any real-world difference?" Maybe its time to prune this thread. Or time for people to answer the op's question and...

I just woke up from a coma. Give a guy a break...

Lol I don't measure the weight of ash left from the hydrogen furnace destruction of the media. My bad. They all filtered the oil. Is that better?

I've only done 2 fluid changes via the cooler lines. The schematic on the repair guide is quite specific. I use 6 redline d4 and a bottle of red lubegard after a flush of 6 chevron synthetic d6. I drive it hard. 119k no problems.