Spectrometry, and spectroscopy are similar but different (apparently). Spectrometry is what I meant.

Hahaha... You're funny! Did you not read through my reply?

This says nothing about the academic field of science that deals with lubrication. This just proves more of my point that "oil anaylsis" is NOT spectroscopy. That's like saying a Biochemical Analysis is a electrophoresis.

You're getting tangled in your web Airbag.

Oil Analysis comes out of the field of science called "Triobology"! Tribologists use Spectrometers or Spectroscopes. It's an instrument NOT a field of science!

Oil analysis is Spectrometry, using a spectrometer. Semantics wrt spectroscopy vs spectrometry IMO.

From wikipedia

"Spectroscopy and spectrography are terms used to refer to the measurement of radiation intensity as a function of wavelength and are often used to describe experimental spectroscopic methods. Spectral measurement devices are referred to as spectrometers, spectrophotometers, spectrographs or spectral analyzers."

Tribology, is NOT oil analysis, not in the context of this discussion. It is the study of friction, wear, lubrication, and the design of bearings; the science of interacting surfaces in relative motion, but thanks for playing "Professor"...

Airbag - don't flush all hope down the toilet for youself. I know you're scrambling around with Google and Wikipedia at the moment to try to cover your tracks and not look so stupid.

Please stop the madness! Get off the internet and go pick up a normal phone. Call ALS global and find someone that is willing to explain the science of Tribology to you and how it relates to oil industry.

That's a great point! The average person is not going to know all the quantitative measurements contained within the UOA; therefore, they rely heavily on the commentary to make future judgement calls about their engine. If the commentary is too broad and doesn't apply specifically to the engine, then it's a good chance the problem will be ignored.

"Tribology includes the study and application of the principles of friction, lubrication and wear."

You're the very definition of simple-minded. If the cylinder is scoring the only way to determine would be from spectrometry (which is a field of science professor) to determine the content of materials/metals in the oil. This is a STATIC test of the oil, and since RELATIVE MOTION does not apply, neither does Tribology. Viscosity test, yes, tribology applies, but not bore scoring and spectrometry.

Ah, this is better. I know Wikipedia is your current lil' friend, but let's take this a little farther shall we?

Repeat after me...

Oil Anaylsis is not Spectroscopy. (repeat)

Oil Anaylsis is not Spectrometry (repeat)

Oil Anaylsis is not Spectrometer (repeat)

Oil Anaylsis is not Screwdriver (repeat)

Oil Anaylsis is not Kermit the frog (repeat)

Oil Anaylsis is not unicorn (repeat)

An Oil Analysis is a study that comes from the science of Tribology. (repeat)

Yay!!! You got it now!

Only one person post about cylinder scoring and the rest is about expert opinion on oil lubrications. The 996/997 crowd must be laughing at us

(face palm) Why do I bother?

Airbag, listen. Stop trying to save your ship. Let it sink.

You made a bold statement that "Oil Analysis is Spectroscope". Then you said, "Spectrometry is what I meant"... Therefore, you were basically saying that an "Oil Analysis is Spectrometry".

Now, are you saying spectrometry is an unique academic field of science within itself?

What really is your story??? It keeps changing. Please enlighten us!

I admire your passion, but you're losing the context of the discussion in semantics. My story never changed. Spectrometry is a field of science (wikipedia told me so). Only way to determine if material of the cylinder (bore scoring) is in the oil is with a spectrometer, which is the sole portion of the oil analysis report that has forever been in the context of this discussion. Tribology is very macroscopic definition, with little relevance to very the detailed context of this discussion IMO.

When I stated "Oil analysis is spectrometry" I meant "Oil analysis includes spectrometry".

I have to go now. My mommy needs to use the internet, so I have to get off of Wikipedia so I can go chew on tin foil and play with my Velcro shoes. Thanks for the enlightening discourse Nutty, your exemplary knowledge is an inspiration to us all.

Look Airbag. I'm here to help you.

You're now making knee jerk reactions because you don't want to look or be wrong. You keep saying something different and now you want to blame it on "semantics". Semantics have no application here, but only prove you're grasping at straws. Now you want to make me think "your story never changed"? Really?

All I tried to do is simply correct your original statement "Oil Analysis is Spectroscopy". That's like saying "Carpentry is hammer" or "Astronomy is Telescope". lol :nono:

Again, an Oil Analysis (especially as it applies on this topic) is a study that comes from the science of Tribology. :thumbup:

You think somehow I've lost the core discussion of bore scoring? :nono: I've been following bore scoring for many years and how it has plagued the M96/M97. Now I notice the 9A1 is wanting to join the party. Yay! Plenty of room for more!

Listen, this thread was moving just fine until you made a blanket statement that "Oil is Spectroscopy" and is "murky" science. Then you say, "oh I meant Oil Analysis is Spectrometry" ... And, then you tried to convince me that Spectrometry is a field of science within itself. :icon501: And finally, you're saying that you REALLY meant... "Oil Analysis includes Spectrometry". (face palm) :confused:

When all else fails, you blame it on semantics. :banghead:

But nothing changed, right?

Ok, got it. Thanks.