BP 2197 VOA?

[OilFool]

Anyone curious enough to send over some pre-paid methods of doing a VOA on this oil?

Say from Blackstone, Dyson and Polaris? We can see how different companies results differ and if an aircraft oil may have some benefit in a gas/diesel engine, say, as far as a super-alternative to MMO or Kreen... ( I do see some say they see results differ between VOA's and companies, but batches are different. This would all come from the same source and be an "unknown-oil" so they test the same as out engine oils.

It is a sealed can, and I have no interest in keeping it in my collection as the can is dented a tad along the rim. Again, it is nothing important to me, but may pique the curiosity of some out there. Otherwise no big deal.

(I have been a long time lurker, I think even before there were forums, or they were popular. 10+ years, and I had another account, but it's been so long that I no longer have the e-mail associated with it)

 

[Tom NJ]

VOAs on these jet engine oils would not show any differences. All of these oils (BP 2197, BP 2380, Mobil Jet II, and Aeroshell 500, 555, 560) have the same physical properties as dictated by the MIL-PRF-23699 and SAE AS 5780 specifications. Furthermore, they are all ashless, so no metals would show in the analysis other than phosphorus.

These oils were designed for use in aviation gas turbine engines and do not contain many of the necessary additives for use in automobile engines, such as detergents, dispersants, anti-rust, and EP. If you add them to your oil you are diluting these essential additives.

These oils are roughly 95% polyol esters with some anti-oxidants, anti-wear, and corrosion inhibitors. In addition, all of these oils contain high levels of phosphorus (1,700 to 2,600 ppm) which could impact the catalytic converter. Also the light POE base oils used (5 cSt @ 100C) can be a bit aggressive toward seals.

Adding a pint or so to the crankcase for a short period of time would likely do no harm, but also likely do no good either. Probably the best you could hope for would be some slight cleaning effect.

Tom NJ

 

[OilFool]

I was thinking more along the lines of a new "snake" oil that is really oil. My idea of this was along the lines of that stuff this site convinced me to buy a few years ago... AR>span>, and the possibilities of cleaning like you mentioned, Tom.

I sometimes wondered what would happen if I did add to a crankcase with the esters.
Say in a six quart sump with five quarts Redline 20w50 and one quart of T.O. and if needed, break-in additive.
I'd need a severely neglected engine I don't care about to try it out on.

Was thinking of grabbing one each of different "seals" of all types from work, and soak in this. Also a carbon coated piston... some sludge from an engine... different metals...

Catscons? Blah... O2 sims do a nice job.

I have a "collection" I inherited in work of unopened aviation oil cans from before I was born. This was a duplicate given to me and the rim is dented, so I figured "what the hay" and thought about this site.

Edit: and also to gauge a few different companies to see how close/far they are from each other.

 

[Art_Vandelay]

It sure is a nice looking can.

 

[Tom NJ]

Adding a quart to a six quart sump is probably harmless, but adding it to Redline is unnecessary as Redline is already mostly ester (according to Redline). If want to try this, I suggest adding BP 2380 which has less of an effect on seals and higher lubricity than other turbine oils, to a good cleaning oil like Mobil 1 or Pennzoil Ultimate.

Seal compatibility is part of the specifications for these oils, so you won't see much difference. The seal tests are run at high temperatures with multiple seals. Likewise corrosion of various metals at high temperatures is in the specs. I doubt any of these oils would do much for a carbon coated piston, especially diluted.

Do you have any military TOs from Hatco in your collection?

Tom NJ

 

[OilFool]

It's not my collection per se, just carrying on an old retirees collection/tradition/interests.

But, yes, there are a few mil-spec'd oils with plain-jane labels in comparison. Not like Chevron, Mobil and Shell and the likes.
I'm not much into collecting things other than vintage audio equipment, so not well-versed at all with that. I just know if I saw it or not, if not, grab a quart and ladder and on the shelving it goes.

 

[Tom NJ]

My collection is small, but I do have a can of BP 2197 from their first production run, mounted in a wooden base with a plaque.

Tom NJ