Yours. The lubricant side of Valvoline, which is relevant to this discussion, is owned by Aramco.
Straight from the horse's mouth:
https://www.valvolineglobal.com/en/about-us/
Ed
ISO 4548-12 gives the manufacturer the option of testing just the media or the filter with or without the bypass. Which of the three methods did FRAM use to arrive at their numbers?
Ed
Actually... the odds of it getting caught on the second, or any other subsequent pass, are the same 50%. Yea, eventually the odds will catch up with it.
Ed
Oxygen gas will not show up in FTIR analysis. FTIR is looking at the electrical polarity of bonds between two molecules. Diatomic molecules of the same element such as O2 and N2 are symmetrical and have no polarity to their bonds. They don't produce an infrared signal that is detectable by...
ICP(Inductively Coupled Plasma) spectrometry is designed to measure elements in solution, not particles in suspension. Droplets larger than about 4.5 microns destabilize the plasma. The proper operation of the instrument depends on the spray chamber removing "particles" larger than the 4.5-5...
Hydro-Gear makes a fitting to make changing the oil easier. Pump oil in the small fitting and it overflows through the larger fitting, eliminating having to remove the fill port. Part #55752. It's included with the Hydro-Gear service kits or available separately from eBay or a multitude of...
No problem, those who graduate not knowing how to read, write, or do basic math can always get a job teaching in New Jersey.
https://thecongressionalinsider.com/nj-ends-teacher-skill-tests-sparking-debate-over-standards
Ed
The 5W-40 does not carry the Ford F1 approval. It does not meet Ford's phosphorus minimum.
Chevron recommends it for MB 228.31. It actually carries the 228.31 and 228.51 approvals according to the Mercedes list of approved oils.
Ed
It's easy to believe. One is before Photoshop, the other is after. If you look at the details; position, highlights, and shadows, it's clear it's the same photo.
Ed
Chevron Delo XSP is available in a 5W-30 that holds all the important heavy duty diesel approvals, including CES 20086. It's the only one I am aware of. I suspect that we'll see more of this grade going forward and that it will replace the 5W-40 recommendation when(if) they become common in the...