2022 Honda Insight HPL PP PCMO 0W8 4497 Miles
- Thread starter DirectRejection
- Start date
Pretty impressive.
Thank you for sharing. First 0w8 uoa I've seen.
edyvw
$50 site donor 2025
Why such high silicone?
New engine?
edyvw
$50 site donor 2025
Silicone is basically dirt.
Air filter not seating properly? IDK how high silicone starts in this oil.
Well first off it’s silicon in the analysis not silicone. And silicon in an oil sample can typically come from silica in the intake steam or from silicone sealants (mostly seen in new or rebuilt engines). Given the total miles on this engine it’s quite likely coming from the latter.
Air intake is intact and pristine.
edyvw
$50 site donor 2025
My mistake, silicon. Could be gaskets. Was there previous UOA? Would be good to do one more UOA to see trend.
By process of elimination, it must be gaskets. Silicon absolutely will be monitored.
Factory fill was removed at ~50 vehicle miles. This is a break in UOA.
After a couple more 5k mile OCIs, I expect the "scavenger effect" to be completed. The esters will settle in nicely.
As all can see, the oil stayed in grade.
No fuel dilution whatsoever means zero thinning. There is no oxidative thickening either.
The Fe, Al and Cu numbers are reasonable for the very first OCI.
edyvw
$50 site donor 2025
Yeah, looks good UOA. does Honda uses 0W8 now or you went that route on your own?
On my own.
Spec is 0W20.
Factory fill is reportedly HGMO 0W20 Synthetic Blend with high Moly break in additive.
silicon is rather high i suggest you look into the air filter and if its seated or damaged with a flashlight in the box to see any light bleed.
i personally wouldnt use 0w-8 just because of how expensive it is compared to a 0w-20 and whatever mpg benefit it gives get wiped away. 0w-8 is only like 2-3 cst thinner than a 20 grade i don't see how it could impact efficiency.
i personally wouldnt use 0w-8 just because of how expensive it is compared to a 0w-20 and whatever mpg benefit it gives get wiped away. 0w-8 is only like 2-3 cst thinner than a 20 grade i don't see how it could impact efficiency.
TBN @ 12 after 5,000 miles?
Apparently there’s a lot of people not reading anything in this thread.
Good report. The low viscosity is holding up well.
One would hope so since that is essentially a monograde product.
I meant more like it's holding up to the engine's needs well. There's no signs of bearing damage or anything of that sort. Wear and contaminants seem pretty typical or below typical for a new engine with such low miles. There's no signs there that the 0W-8 is causing any sort of problem compared to what an OEM spec'd 0W-20.
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