2016 Kia Optima, 55000 miles, 2.4 Theta GDI

Joined
Nov 11, 2020
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105
Location
SoCal
This was first oil change by me, immediately after purchase at around 54000 miles. Valvoline oil change center, used store brand (unmarked jug) 5-30 Valvoline blend according to them. I am surprised how good this came out after the negative reports here. Now this second change, I have Kirkland 5-30 Dexos, will run for 6K miles to compare.
 

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Excellent Report!

If you, i would black out your personal information or have the mods delete that PDF.
I have done a screenshot of the report for you below.... (w/o your info).

Thanks again for sharing.


1628548642056.jpg
 
in warmer climates a 10-30 fake synthetic like i put in girlfriends preowned 18 optima same 2.4L engine. only 20 thou on it + NO use between the 6 month recommended intervals, unlike her traded oil eatin 2.5 malibu!!!
 
in warmer climates a 10-30 fake synthetic like i put in girlfriends preowned 18 optima same 2.4L engine. only 20 thou on it + NO use between the 6 month recommended intervals, unlike her traded oil eatin 2.5 malibu!!!
Yes, when I had my 2012 Theta II GDI, I used 5w30 and 10w30 (summer) exclusively, never 5w20. Group III synthetics.
 
For grins - I would like to see a 5W30 report for comparison ... While I have run 5W20 synthetic a couple of times in my '17 Sonata 2.4L GDI , I feel like I have a better safety margin with 5W30 synthetic due to GDI fuel dilution which by 5K miles is getting a bit fragrant. If the engine were a PFI engine I would feel better about the 5W20 .
 
For grins - I would like to see a 5W30 report for comparison ... While I have run 5W20 synthetic a couple of times in my '17 Sonata 2.4L GDI , I feel like I have a better safety margin with 5W30 synthetic due to GDI fuel dilution which by 5K miles is getting a bit fragrant. If the engine were a PFI engine I would feel better about the 5W20 .
The OP indicated that the tested oil is Valvoline 5w30.
 
Not that it matters much, but based on the “should be” viscosity @ 100C, Blackstone seems to think the sample is a 20-weight. For a 30-weight it is below minimum viscosity, probably because of the fuel dilution inherent in pretty much all DI engines. But good looking report otherwise. Thanks for posting.
 
I wonder if this is an older version of Valvoline? Much more calcium and less moly than maxlife sp which I thought i was what most vioc’s use as their blend. My local Goodyear which uses Valvoline has packages labeled as standard, blend/maxlife and synthetic, good>better>best.
 
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