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Previous run of the same oil. I now have HPL (4qt 5W-40 PCMO + 3qt 5W-30 PCMO) in the engine - the same as sample #2 in the report. Intending to run for a 4.5K-5K mi OCI as it seems like it should be able to handle it even though this engine seems to have a bad rep with oil, and the manual...

The first sample was M1 ESP 5W-30, and the second was HPL PCMO 5W-30 (2.9qt) + HPL PCMO 5W-40 (4 qt). Looks like there is some dilution going on, but I don't know if that alone accounts for the drop in viscosity. The Product Information Sheet states that it is around 10.8cSt @ 100C. I'm not...

This run was a mix of 4qt 5W-40 + 2.9 qt 5W-30. It looks like I forgot to submit the total mileage on the engine in the report. The manual recommends a 3,750 mi interval for the severe maintenance schedule. This one went a bit longer since I went on a 1,600 mile round trip drive during it. I...

Interestingly enough, less Ca and Moly compared to my last run of the same oil. I had run Valvoline 5W-30 EP before that first run, so perhaps it's the left over oil affecting the numbers as well as the viscosity. Before this OCI, I ran a mix of 5qt Valvoline XL-III 5W-30 (5qt) + 1.9qt...

This is for a sample taken back in Sept. Since then, it's had one OCI on Valvoline XL-III 5W-30, and it currently has M1 ESP 5W-30 (almost due for another change, which I intend to use OA to analyze since they supposedly offer better fuel dilution measurements).

I took this sample back in Feb, but only got to mail it last month. I noticed it was 1/2 a qt down at about 3.5K miles into the OCI so I topped it off and ran for another 2k miles. Viscosity seems low for 5W-30, but they're saying it's in range? I've since switched to the severe maintenance...

I plan to have both the transfer case and rear diff oils changed at the dealership, but I prefer to bring my own oil instead of what they use (should be both cheaper, and I'll know what will go in it). The car does not have an LSD in the rear. It's an AWD with (I believe) a brake based system...

I just thought people here might be interested.

I was going over this page, and the table at the bottom shows that the PP of 5W-30 EP is -33C compared to 10W-30 EP at -45C. Is this a typo? Since for 0W-20 and 5W-20 it is -45C and -48C respectively.

I have a 2019 Kia Sorento SX (3.3L V6). The last time I took it to the dealer (Dec '22) I gave them 2x5qt bottles of M1 Advanced Full Synthetic 5w-30 and asked them to use it when changing the oil. When I returned back to my place (about 40 minutes away) I noticed that they only used one bottle...