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Do you find VOA's or UOA's more interesting? #4635432
01/15/18 07:40 AM
01/15/18 07:40 AM
Joined: Mar 2008
Posts: 6,173
Michigan
ZZman Offline OP
ZZman  Offline OP
Joined: Mar 2008
Posts: 6,173
Michigan
I prefer VOA's because I am most interested in the additive make up of the oil.


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram Ultra
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635440
01/15/18 07:55 AM
01/15/18 07:55 AM
Joined: Dec 2017
Posts: 3,328
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline
Joined: Dec 2017
Posts: 3,328
SE British Columbia, Canada
Please define VOA’s and UOA’s for the newbies, and you’ll get more replies.

SF


If you want the job done right......do it yourself.
Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635443
01/15/18 07:57 AM
01/15/18 07:57 AM
Joined: Jun 2015
Posts: 4,547
New England
Virtus_Probi Offline
Virtus_Probi  Offline
Joined: Jun 2015
Posts: 4,547
New England
VOAs for sure!


2014 Forester XT, 95000 miles
Last Change;
M1 0W30 AFE d1G2
Tokyo Roki 15208AA170 filter
Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635472
01/15/18 08:23 AM
01/15/18 08:23 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline
Joined: Dec 2013
Posts: 3,989
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


Cable ties should hold it
Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635473
01/15/18 08:24 AM
01/15/18 08:24 AM
Joined: Dec 2016
Posts: 7,417
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,417
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."
Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635474
01/15/18 08:26 AM
01/15/18 08:26 AM
Joined: Oct 2014
Posts: 12,705
Idaho
CT8 Online content
CT8  Online Content
Joined: Oct 2014
Posts: 12,705
Idaho
UOAs to see how the oils are holding up in use.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Do you find VOA's or UOA's more interesting? [Re: Snagglefoot] #4635479
01/15/18 08:29 AM
01/15/18 08:29 AM
Joined: Mar 2008
Posts: 6,173
Michigan
ZZman Offline OP
ZZman  Offline OP
Joined: Mar 2008
Posts: 6,173
Michigan
VOA (Virgin Oil Analysis)
UOA (Used Oil Analysis)


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram Ultra
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635492
01/15/18 08:41 AM
01/15/18 08:41 AM
Joined: Jan 2017
Posts: 332
Ontario, Canada
newbe46 Offline
newbe46  Offline
Joined: Jan 2017
Posts: 332
Ontario, Canada
UOA. It tells me how it gets there.


2003 E46 M3 Convertible
2004 Odyssey EX-L
2004 Impreza TS Wagon
Re: Do you find VOA's or UOA's more interesting? [Re: Linctex] #4635513
01/15/18 08:55 AM
01/15/18 08:55 AM
Joined: Sep 2009
Posts: 16,339
OH
fdcg27 Offline
fdcg27  Offline
Joined: Sep 2009
Posts: 16,339
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.


18 Accord Hybrid FF
17 Forester 18K VME 0W-20
12 Accord LX 96K SSO 0W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i
Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635548
01/15/18 09:26 AM
01/15/18 09:26 AM
Joined: Dec 2006
Posts: 19,232
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline
Joined: Dec 2006
Posts: 19,232
Dallas,Tx 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)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 5W20

Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635573
01/15/18 09:52 AM
01/15/18 09:52 AM
Joined: Jun 2014
Posts: 1,982
Ca.
UncleDave Offline
UncleDave  Offline
Joined: Jun 2014
Posts: 1,982
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


Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: Do you find VOA's or UOA's more interesting? [Re: ZZman] #4635587
01/15/18 10:14 AM
01/15/18 10:14 AM
Joined: Oct 2009
Posts: 3,657
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,657
Wet side WA
They both serve good purpose.


2004 Corolla 128175
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74615
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18

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