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#1110194 - 03/20/08 09:22 AM Cheat sheet for newbies reading UOA's
Bambam Offline


Registered: 12/16/03
Posts: 747
Loc: CT
I am trying to interpret UOA's. I get info through others comments but like most newbies I don't know alot and get confused by certain elements etc. So Ityped this up for all to print out and have next to them for guidance. To be added/edited as we all see fit.

Mods please move if this is unappropriate for this particular forum.

WEAR METAL SOURCES

IRON……….CYLINDERS, GEARS, RINGS, CRANKSHAFTS, LINERS, BEARINGS, HOUSINGS, RODS, and PLATINGS

CHROMIUM……………..RINGS,ROLLER/TAPER BEARINGS, RODS, PLATINGS

LEAD……….BEARING OVERLAYS, ADDITIVES IN GEAR OIL AND GASOLINE

COPPER…………………BUSHINGS, BEARINGS, THRUST WASHERS, FRICITION PLATES, OIL COOLERS, ADDITIVE IN OIL

TIN………………………………….BEARINGS, BUSHINGS, PISTONS, PLATINGS

ALUMINUM………PISTONS, BEARINGS, PUMPS, BLOWERS, ROTORS, THRUST WASHERS

NICKEL……………………………………………………………………VALVES

SILVER………………………………………….BEARINGS,BUSHINGS,PLATING

MANGANESE……….TRACE ELEMENTS IN LINERS AND RINGS, ADDITIVE IN GASLOLINE.

TITANIUM……………………………………………………….TRACE ELEMENT

VANADIUM……………………………………………………..TRACE ELEMENT



CONTANIMENTS & SOURCES

SILICON…………………………………….ELEMENT USED TO DETERMINE THE LEVEL OF AIRBORNE DIRT AND ABRASIVES IN THE OIL.(SOMETIMES USED AS AN ANTI-FOAM AGENT)

BORON………………………….PRESENT IN MOST PERMANENT ANTI-FREEZE SYSTEMS AND COOLING SYSTEMS INHIBITORS (SOMETIMES USED AS AN ADDITIVE)

SODIUM………………………………….PRESENT IN MOST PERMANENT ANTI-FREEZE SYSTEMS AND COOLING SYSTEM INHIBITORS (SOMETIMES USED AS AN ADDITIVE)

POTASSIUM………….PRESENT IN MOST PERMANENT ANTI-FREEZE SYSTEMS AND COOLING SYSTEM INHIBITORS (SOMETIMES USED AS AN ADDITIVE IN GEAR OIL)



ADDITIVES AND THEIR FUNCTION

MAGNESIUM……………………….DISPERSENT/DETERGENT ADDITIVE

CALCIUM………………………….. DISPERSENT/DETERGENT ADDITIVE

BARIUM………………………….. DISPERSENT/DETERGENT ADDITIVE.

PHOSPHORUS…………………………………..….ANTI-WEAR ADDITIVE

ZINC……………………………………………….…. ANTI-WEAR ADDITIVE

MOLBDENUM………………………………….…… ANTI-WEAR ADDITIVE


FUEL DILUTION = UNBURNED FUEL IN THE OIL MAY SIGNAL FUEL SYSTEM LEAKS OR INCOMPLETE COMBUSTION.

FUEL SOOT = A RESULT IN INCOMPLETE COMBUSTION OR BLOW-BY. HIGH DRAIN LEVELS AMY INDICATES COMBUSTION PROBLEMS OR OVEREXTENDED DRAIN INTERVALS.


VISCOSITY = THE KINEMATIC VISCOSITY DETERMINED AT 40°C AND/OR 100°C IS A MEASURE OF THE FLOW RATE OF AN OIL IN RELATION TO TIME. THIS DATA IS USED TO ASSIGN AN SAE GRADE TO OIL.


SAE GRADE…………….MIN-cST-100°………………MAX-Cst

10w……………………4.10………………………….xx

20w………………………..5.60……………………….9.29

30w…………………………9.30……………………..…12.49

40w……………………….12.50……………………………16.29

50w………………………..16.30………………………………21.89
_________________________
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#1110209 - 03/20/08 09:37 AM Re: Cheat sheet for newbies reading UOA's [Re: Bambam]
Johnny Offline


Registered: 05/27/02
Posts: 14013
Loc: Retired | Wausau, WI
Very nice. This might be a good sticky at the top of the UOA section for all to reference.


Edited by Johnny (03/20/08 09:38 AM)

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#1110356 - 03/20/08 12:43 PM Re: Cheat sheet for newbies reading UOA's [Re: Johnny]
ZZman Offline


Registered: 03/17/08
Posts: 4233
Loc: Michigan
There should also be a similar sticky in the car section
_________________________
2002 Buick Regal GS (3.8 Supercharged) PP, Pure 1 filter
2008 Sebring Hardtop convertible (2.7) M1, Pure 1 filter.

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#1110929 - 03/21/08 08:24 AM Re: Cheat sheet for newbies reading UOA's [Re: Bambam]
Pablo Offline


Registered: 10/28/02
Posts: 46711
Loc: Duvall WA - Pacific NW USA
Generally ok.....the viscosity table could be quite misleading. Atleast drop the "w"s Better to just post the whole table from J300: http://www.infineum.com/information/api-viscosity-2004.html

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#1112483 - 03/23/08 03:42 PM Re: Cheat sheet for newbies reading UOA's [Re: Pablo]
D-Roc Offline


Registered: 11/23/05
Posts: 1525
Loc: CFB Petawawa, Ontario
Awesome- great for those who are up on their UOA knowlege, but like who need a quick reference once in a while.
_________________________
"Close your eyes
Look deep in your soul
Step outside yourself
And let your mind go"

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#1112628 - 03/23/08 07:49 PM Re: Cheat sheet for newbies reading UOA's [Re: D-Roc]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
Any one know where a condemnation limit chart is posted?
_________________________
Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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#1124509 - 04/08/08 07:41 AM Re: Cheat sheet for newbies reading UOA's [Re: Steve S]
Jim Allen Offline


Registered: 08/12/05
Posts: 4477
Loc: NW Ohio
Excellent work, Bambam. Thanks for taking the time to do it.
_________________________
Jim Allen
Keepin' the Good Old Days of Four Wheeling Alive

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#1200118 - 07/23/08 11:36 AM Re: Cheat sheet for newbies reading UOA's [Re: Jim Allen]
RWEST Offline


Registered: 10/25/07
Posts: 1373
Loc: Somerset County, PA
So, to help out an oil-dork, what should the numbers be for a multi-vis, say, RTS 5-40?
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#1212098 - 08/09/08 06:42 PM Re: Cheat sheet for newbies reading UOA's [Re: RWEST]
D-Roc Offline


Registered: 11/23/05
Posts: 1525
Loc: CFB Petawawa, Ontario
For Admin, would it be possible to update the above info with oxidation, nitration and sulfation? This one specifically for myself, just a reference of the numbers on what is high and low. But also for others.
I know one way they are measured is using a spectrometer with how much infrared light is absorbed by the products of oxidation, nitration, sulfation, but not what is acceptable, high and low. Some uoa's also are coming through with just the number...Blackstone usually has perameters/guidelines, but some don't.
_________________________
"Close your eyes
Look deep in your soul
Step outside yourself
And let your mind go"

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#1218196 - 08/17/08 10:25 AM Re: Cheat sheet for newbies reading UOA's [Re: D-Roc]
lewdwig Offline


Registered: 10/23/07
Posts: 645
Loc: Southwest Michigan
I'll look for something on TBN and include it.
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2001 Saturn SL2
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#1379270 - 02/19/09 04:14 PM Re: Cheat sheet for newbies reading UOA's [Re: lewdwig]
TSHACK Offline


Registered: 02/17/09
Posts: 29
Loc: Virginia Beach, Va
AWESOME!!
_________________________
2001 King Ranch F150. Mine
2001 Audi A6 4.2 V8. Wife
2002 Sentra SE-R SPEC V. Son
2000 Volvo S80 Turbo. Daughter
AMSOIL in all of them.

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#1539320 - 07/21/09 12:26 PM Re: Cheat sheet for newbies reading UOA's [Re: TSHACK]
bloc Offline


Registered: 10/17/08
Posts: 11
Loc: Houston, Tx
I also wanted to request "condemnation" limits, or at least numbers at which we should start wondering.

TBN explanation would be nice too!!

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#1701615 - 12/09/09 01:54 PM Re: Cheat sheet for newbies reading UOA's [Re: bloc]
addyguy Offline


Registered: 09/08/05
Posts: 13448
Loc: Canada
You missed Antimony - used by some oils in their add-pack; I think it's an anti-oxidant?
_________________________
2003 Mazda Tribute LX V-6, 175k miles.
Oil: QS Defy 5W-20; Fram Ultra XG2 filter.

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#1702278 - 12/09/09 10:17 PM Re: Cheat sheet for newbies reading UOA's [Re: addyguy]
White_Buffalo Offline


Registered: 02/26/07
Posts: 52
Loc: Sioux Falls, SD
Originally Posted By: addyguy
You missed Antimony - used by some oils in their add-pack; I think it's an anti-oxidant?


Not that many labs test for Antimony. I have seen Amsoil's OAI testing and Polaris show it in there UOA reports. I thinks Schaeffer's uses Antimony as a high pressure additive.
_________________________
2003 7.3L F250 Wildman chip Van turbo, DIIC, MBRP, AIS,Schaeffer's oil, oilguard bypass swamps inj

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#1738405 - 01/10/10 09:42 PM Re: Cheat sheet for newbies reading UOA's [Re: White_Buffalo]
TucsonDon Offline


Registered: 06/29/07
Posts: 434
Loc: Arizona, USA
I think Boron is becoming part of the additive pack of some oils ... Rotella CJ-4 comes to mind as having increased the Boron.
_________________________
2007 Goldwing + Rotella T 15W-40 CJ-4. It works; I'm happy.

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#1811156 - 03/10/10 06:55 AM Re: Cheat sheet for newbies reading UOA's [Re: TucsonDon]
widman Offline


Registered: 05/27/02
Posts: 3072
Loc: Bolivia
Boron is basically an anti-oxidant Has some anti-wear in different cases. You won't see a decent group I oil without it, but it can often be left out of group II, group III, or traditional synthetics.

Here is one of the most complete wear metals charts I've seen in a while
Wear Metals guide in PDF
_________________________
Richard's Car Restorations

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#1852888 - 04/11/10 07:42 AM Re: Cheat sheet for newbies reading UOA's [Re: widman]
CourierDriver Offline


Registered: 12/27/09
Posts: 3182
Loc: Tennessee
I like the report, Im gonna get a degree in chemistry someday. Im glad someone out there knows how to make all those elements stay together for 500k miles. Me, I just want it to run right, bottom line. amen
_________________________
Le Sabre, mpg 25 city, 31 Hwy. 90,000 mi
I think the oil in those little yellow bottles is great,don't you? + a white oil filter matches best.

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#1853472 - 04/11/10 05:38 PM Re: Cheat sheet for newbies reading UOA's [Re: CourierDriver]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
_________________________
Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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#1897854 - 05/20/10 06:07 PM Re: Cheat sheet for newbies reading UOA's [Re: Steve S]
widman Offline


Registered: 05/27/02
Posts: 3072
Loc: Bolivia
One more thing. A lot more engines are being assembled these days with Moly rings. Ring wear will show up as or with the moly that might be used as an antiwear/antioxidant.

Condemnation limits vary per engine and engine construction. Those that are published (CAT, Cummins, Detroit, etc.) are extremely high and not close to what is obtainable.
_________________________
Richard's Car Restorations

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#2333676 - 07/31/11 10:06 PM Re: Cheat sheet for newbies reading UOA's [Re: Bambam]
sm00thpapa Offline


Registered: 07/09/11
Posts: 867
Loc: Spring Hill, FL
This is not bad but what about what the numbers mean? I mean is a high number or low number better for each category?
_________________________
14 Elantra Factory fluids and filter
09 FZ6R, K&N 204, SRT 15W-40
04 Ascender, P1, Napa SYN 5W-30
96 Cavalier, PC, Maxlife 10W-30

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#2389160 - 09/27/11 07:42 AM Re: Cheat sheet for newbies reading UOA's [Re: TucsonDon]
mongo161 Offline


Registered: 07/11/10
Posts: 3226
Loc: Coney Island, NY
Originally Posted By: TucsonDon
I think Boron is becoming part of the additive pack of some oils ... Rotella CJ-4 comes to mind as having increased the Boron.


+1 After looking at some VOA results on different oils, PCMO and Diesel, BORON is becoming more of an additive in Synthetic and Dino oils.
_________________________
I get by with a little help from my friends....listen with your eyes....it's the ONLY way to believe what you hear...

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#2658196 - 06/19/12 12:34 AM Re: Cheat sheet for newbies reading UOA's [Re: Bambam]
ARHND Offline


Registered: 06/13/12
Posts: 18
Loc: Honduras
How about the different tolerances of each equipment. All factories have their own, so, to be sure of each UOA you should also know the different allowances or minimuns.

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#2757895 - 09/29/12 08:48 AM Re: Cheat sheet for newbies reading UOA's [Re: RWEST]
skyship Offline


Registered: 06/09/12
Posts: 2071
Loc: Tettnang, Baden-Wurttemberg, G...
Originally Posted By: RWEST
So, to help out an oil-dork, what should the numbers be for a multi-vis, say, RTS 5-40? confused


Blackstones will give averages for most engine types for you to compare results to. For a 1.9 TD I would not be too concerned until the Iron was over 50 ppm, Aluminium over 10, Chrome or Lead over 5 and Silicon from the air filter over 20.

The 5W/40 figures for a UOA are as follows:
SUS Vis at 210F: 66 - 78
cSt Vis at 100C: 11.9 - 15.3
Flash in F: > 410
Fuel % < 2
Antifreeze: 0
Water% < 0.1
Insolubles: < 0.8
TBN: > 1 (Normal) >3 (Severe service)

The trend is as important as the actual figures for wear metals, as every engine is subject to different use and to complicate matters you might have a temporary particle streak occur and rebuilt or new engines produce different figures.

The car should be driven at normal speeds for half an hour plus before draining the oil and the sample taken mid stream into a clean container.



Edited by skyship (09/29/12 08:58 AM)

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