Esterzzzzzzzz….
High Performance Lubricants No VII series engine oils.
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Is that level of oxidation normal in new oil containing esters that's been sealed and not ever heated up? Unsealed oil with esters once exposed to air (oxygen) and/or has also been heated will oxidize more than if not exposed to those factors.
Maybe @HPL Plant Manager can help us out here, as people under his direction have likely packaged the most quarts of oils with a significant amount of esters over the past decade. Plus, they actually have all the relevant lab equipment in-house to check that stuff… inquiring minds want to know!
The EP underwent the same oxidative thickening as SC, as all oils do. It's highly probable that EP sheared down to the 7.0-7.5 cSt range before thickening back to 8.0 cSt.
That's normal and can vary drastically since different esters have different oxygen content. One ester at 5% concentration could show 40 while another at 10% concentration could show 20. Just note where it starts and subtract it from the UOA result to get relative oxidation.
The tanks are heated while blending (to aid in additive solubilization) but not enough to affect oxidation.
It's also worth noting that HPL is very precise in their blending procedure. Unlike the major brands that blend by volume, HPL blends by weight using very sensitive scales. In fact, they had to rearrange their plant because the wind off the ceiling fan was throwing off the scales on 1,000 gallon blend tanks.
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Esters.
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Yes, totally normal. We see even higher levels with Redline, as they use a different ester that tends to show higher levels as well (and perhaps at a different concentration).
Thanks for the report and info sir. Good to hear
It's because oxygen is a component of an ester group. So the ester oils are inherently oxidized to some extent. Just not the bad kind of oxidized.
yes, esters are oxygen containing molecules so it's normal. Think of esters as pre-oxydised oil, so it has no incentive to oxidise further, like CO2 has no desire to oxidise further.
It still happens but at a very slow pace.
Does the entire HPL line of oils (Euro/SP/No VII etc.) all contain AN and ester? Reason I'm asking is I've seen a few VOA/UOA of their Euro oils where the oxidation value is only 12. I'm aware the oxidation value does not spike for all ester types, but the general oxidation value for HPL is around 23-30. Just curious if all their oils use the same or similar group V base oils found in the SC and PCMO lines. Based on the product description, I think the answer is yes.
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May a bond a the 10w20 NO VII euro in the 11’ Focus. We have had some low 30’s mornings lately and car starts but sounds sluggish.
May run rest of it in the 02’ Dakota with pushrod v-6
May run rest of it in the 02’ Dakota with pushrod v-6
HPL doesn’t use Noack because it’s not a repeatable, reliable test. They use thermogravimetric analysis (TGA) which is both repeatable and reliable.
Charge your battery, Adam!
buy new battery?
Low 30s? 10w is rated to quite a bit below 0…..
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Must be a poor battery,that's not cold!
I use the 10W-20 in our '12 Mustang and '07 Grand Caravan. For a few days last winter, the low temps were ~10°F. Both struggled some but started up just fine. Oil pressure was normal.
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