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#4635432 - 01/15/18 07:40 AM Do you find VOA's or UOA's more interesting?
ZZman Offline


Registered: 03/17/08
Posts: 5456
Loc: Michigan
I prefer VOA's because I am most interested in the additive make up of the oil.
_________________________
2003 Mercury Grand Marquis. Rotella T6 Multi-Vehicle oil
2008 Sebring Hardtop convertible. Rotella T6 Multi-Vehicle oil
2006 Kawasaki Vulcan 900 LT

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#4635440 - 01/15/18 07:55 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1260
Loc: Alberta
Please define VOA’s and UOA’s for the newbies, and you’ll get more replies.

SF

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#4635443 - 01/15/18 07:57 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
Virtus_Probi Offline


Registered: 06/25/15
Posts: 3786
Loc: New England
VOAs for sure!
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2014 Forester XT, 80500 miles
Last Change;
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#4635472 - 01/15/18 08:23 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
Olas Offline


Registered: 12/11/13
Posts: 3828
Loc: Manchester, England
Generally VOAs just to know what I might be pouring in, but a UOA of the same oil/engine that I have would be even more interesting to me than a VOA
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Cable ties should hold it

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#4635473 - 01/15/18 08:24 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
Linctex Offline


Registered: 12/31/16
Posts: 5603
Loc: Waco, TX
But......
VOA's do not tell the story... it's just an elemental analysis.
They don't tell you what type of chemical formulation exists... just "elements"

"Oh, look at all the zinc!"
You don't know if it's ZDDP or ground up pennies
(or the zinc gear case of the oil transfer pump that fills the jugs is wearing out)

VOA's tell nothing of which basestocks are used in the make-up.

UOA's at least tell you how well an engine is wearing on a certain oil,
or if there are issues from other contaminants.

_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4635474 - 01/15/18 08:26 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
CT8 Offline


Registered: 10/09/14
Posts: 10533
Loc: Idaho
UOAs to see how the oils are holding up in use.
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Artificial intelligence is no match for natural stupidity, we shall prevail

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#4635479 - 01/15/18 08:29 AM Re: Do you find VOA's or UOA's more interesting? [Re: Snagglefoot]
ZZman Offline


Registered: 03/17/08
Posts: 5456
Loc: Michigan
VOA (Virgin Oil Analysis)
UOA (Used Oil Analysis)
_________________________
2003 Mercury Grand Marquis. Rotella T6 Multi-Vehicle oil
2008 Sebring Hardtop convertible. Rotella T6 Multi-Vehicle oil
2006 Kawasaki Vulcan 900 LT

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#4635492 - 01/15/18 08:41 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
newbe46 Offline


Registered: 01/19/17
Posts: 174
Loc: Ontario, Canada
UOA. It tells me how it gets there.
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2003 E46 M3 Convertible
2004 Odyssey EX-L
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#4635513 - 01/15/18 08:55 AM Re: Do you find VOA's or UOA's more interesting? [Re: Linctex]
fdcg27 Online   content


Registered: 09/25/09
Posts: 15421
Loc: OH
Originally Posted By: Linctex
But......
VOA's do not tell the story... it's just an elemental analysis.
They don't tell you what type of chemical formulation exists... just "elements"

"Oh, look at all the zinc!"
You don't know if it's ZDDP or ground up pennies
(or the zinc gear case of the oil transfer pump that fills the jugs is wearing out)

VOA's tell nothing of which basestocks are used in the make-up.

UOA's at least tell you how well an engine is wearing on a certain oil,
or if there are issues from other contaminants.



Really good VOAs, like those found on the PQIA site do give a good indication of the quality of the basestock blend used since they include MRV and NOACK numbers.
UOAs are mainly interesting as an indication of shearing, TBN retention and oxidation, all of which will depend upon the engine in which the oil was run and for how long as well as how the vehicle was used.
They're also interesting as a gauge of just how badly certain engines fuel dilute the oil.
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96 Accord LX 104K T5 10W-30
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#4635548 - 01/15/18 09:26 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
aquariuscsm Offline


Registered: 12/30/06
Posts: 17911
Loc: South Texas,USA
I like both. And what's become immensely frustrating is searching uoa's and voa's only to find the host is no longer active.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
QSUD 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 0W20



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#4635573 - 01/15/18 09:52 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
UncleDave Offline


Registered: 06/02/14
Posts: 1596
Loc: Ca.

UOA's - between the manufacturers data sheets and PQIA I can get a good idea of where my base is. You arent ever going to get the "magic sauce" exactly.

Unless Im concerned about contamination I don't bother with VOA's.

Photo buckets revenue model killed a bunch of available info for everyone.
Free service with ever increasing bandwidth on their side and no revenue didnt work for them - no surprise.

Used to be much easier to search for UOA's on your particular platform and see what you were working with.

No you get the "photo offline" gif.


UD
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Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
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#4635587 - 01/15/18 10:14 AM Re: Do you find VOA's or UOA's more interesting? [Re: ZZman]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2353
Loc: Wet side WA
They both serve good purpose.
_________________________
2004 Toyota Corolla 119625
Out: QSUD 5W-30 Purolator One 5030 mile OIC
In: 2-8-18 Valvoline ML 5w-30 Fram TG4967 117530
2006 Duramax 73752

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