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-   -   TDI Used Oil Lab Analyses Results & Discussions (http://forums.tdiclub.com/showthread.php?t=154548)

SUNRG October 7th, 2006 12:28

TDI Used Oil Lab Analyses Results & Discussions
 
Please post your used oil lab analyses results here. Hutchman is working on a UOA website where we will be able to input and all the values the lab returns and run reports, view results and search using many different criteria. It's going to be sweet :D. Once it's online a link to it will reside right here - the first post of this thread.

In the meantime, instead of everyone starting new threads for every UOA they get back or sticking their UOA in other oil threads where it might get lost, let's all post UOA data here.

Myself and others will do our best to help you interpret your used oil analyses results, and if you already know what your results mean please still post them here to add to our knowledge base.

Thanks and Cheers!

SUNRG October 7th, 2006 13:26

hutchmans's most recent UOA:

http://oscube.com/picts/UOA4_A5.JPG

i don't know why the soot is at this level after only 10k miles. if you still have the original air filter in place you could try changing it. how many miles are on the current fill of 506.01? i'd stick with 10k OCIs until the soot drops a bit. your engine will still be wearing in for awhile, my guess is that the Fe level will drop in future UOAs.

hutchman October 7th, 2006 19:53

The 2006 A5 has about 33k miles on it now. It turned one year old first week of Sept.! I think I'm going to go ahead and change the air filter early.

I'm doing 10K changes right now on the A5 due to warranty.

Just changed the oil in the 2002 A4 today and will be sending off the first test of the 0W30 Full-Tech.

It will only be a 5K Mile sample due to changing the cam, lifters and a bunch of other stuff. Doing two 5k OCI's then will go back to 10+k with 506.01.

I had to add .5 L of Mobil 0W40 to the A4 due to changing out my oil/coolant heat exchanger to the larger unit and didn't have enough Elf Full-Tech on hand :(. Hopefully that won't throw off the results too bad.

I'm off active duty now ... 13 months of being on orders ended 30 SEP so I'm back to work in Lynchburg .... won't be racking up the miles I was.

hutchman October 7th, 2006 21:36

UOA on Elf Solaris LLX 5W30 504/507.00
 
This is the UOA of the Elf Solaris LLX 5w30 507.00 that I had in my 2002 A4 at the time I did my TB an all the engine work. The first UOA on this car what shortly after I got it and it had ran Shell Rotella-T.

In addition to the TB/water pump, I replaced cam, lifters, added PP520's, pulled the head and had it hot tanked, new valve stem seals, lap job, new head gasket, ARP head bolts, new turbo oil cooler line, new oil/coolant heat exchanger (the big one), DG RP, EGR cooler delete kit, CCV mod, and last but not least RC3 Euro.

So ... this UOA had interesting things in it like ARP head bolt lube and Permatex Ultra Assemble lube ...

http://oscube.com/picts/assembly_lube.jpg

Who knows what effect this "extra stuff" had on the UOA.

Plus 10k miles after cleaning my intake ... when I tore the engine down this is what my EGR/intake looked like AGAIN:
http://oscube.com/picts/A4%20Picts/egr2.JPG

http://oscube.com/picts/A4%20Picts/intake2.JPG

That dent at 7 o'clock in the picture above is my finger pressed into the soft gooo. Now you see why I did some of the above mods. Now homie doesn't have to play the intake clog game anymore. ;)

Here is the not-so-great UOA that was taken about 300 miles after I got humpty back together again:

http://oscube.com/picts/UOA2_A4.JPG

I just sent off a 5k mile UOA on Full-Tech so I hope it looks better than the one above. I'll post it as soon as I get it back.

SUNRG October 8th, 2006 19:30

the A5 30k UOA above and this A5 25k UOA are showing very similar Fe wear rates 8.54 CRV 0w-30, 9.60 AFL 5w-40 during the same OCI 20-30k.

i think both samples are fine as these engines will continue to wear-in for another 30k+.

TBN on both UOAs is lower than we're used to seeing - it'll be interesting to see what subsequent UOAs in these vehicles show...

Quote:

dhdenney
Veteran Member

Join Date: Oct 2005
Location: Kentucky

http://forums.tdiclub.com/images/icons/icon1.gif
Here we go. Next UOA for Amsoil. This time I topped off with 1/2 qt and left the oil in. Below are the previous numbers next to the new ones. I hope this stuff levels off and the TBN holds up. Not sure why the big drop on this one. Fuel this time was nearly all B10 or B20 depending on which I could get. I can only think of one time where I filled up with 100% D2.

Miles 19952 24954

Iron 42 48
Chromium 2 3
Lead 3 3
Copper 7 6
Tin 0 0
Aluminum 4 7
Nickel 0 0
Silver 0 0
Silicon 7 5
Boron 40 46
Sodium 0 0
Magnesium 18 17
Calcium 1910 1563
Barium 0 0
Phosphorus 809 785
Zinc 990 954
Molybendum 0 0
Titanium 0 0
Vanadium 0 0
Potassium 0 0
Fuel <1% <1%
VIS @ 40c N/A N/A
VIS @ 100c 12.30 12.91
Water 0 0
Soot .6 .5
Coolant Neg Neg

Add test
TBN 5.20 3.66
Oxid 7 6
Nitr 8 14
F-soot .69 .50
Change yes no

No corrective action required both times.

__________________
2006 Jetta TDI, pkg. 0, campanella white, best 705.3 MPT, Amsoil AFL
1994 Pontiac Trans Am, 396 stroker

dabear95 October 9th, 2006 08:37

PD's Only or ALH as well?

My last two, immediatly after I changed my oil all of my modifications were performed (the 9/21/06 sample was with the mods). Delvac 5w40...

http://pics.tdiclub.com/data/500/med...dified-UOA.JPG

Jason

Brock_from_WI October 9th, 2006 09:20

Here are mine
http://www.uwgb.edu/nevermab/tdi/oil-TDI-50k.pdf

SUNRG October 9th, 2006 09:46

Quote:

Originally Posted by dabear95
PD's Only or ALH as well? Jason

All TDIs :D

Your UOA looks good. I saw it over at BITOG too and I think 10k+ OCIs will be perfect for your TDI using D1. TS suggested (in another thread) that a good upper soot limit for 1.9L TDIs is 1.0% - and even with your mods your TDI should stay at or below 1.0% over 10k. D1 can easily handle soot levels that exceed 1% but IMHO 1% is a good, conservative OCI flag.

cheers!

SUNRG October 9th, 2006 11:53

dhdenney - i just wanted to add that i do NOT think the TBN loss on your most recent sample is a result of B10-B20 use.

brock - i like this lab's analyses layout.

your Fe wear rate is higher than i'd expect to see in a 10k Mobil D1 UOA with 50k on an ALH engine. actualy the Cr, Al, Pb and Cu are all on the high side. Si is low, indicating that dirt injestion via the air intake system is probably not the cause of this wear.

these are by no means horroble results - just higher than average wear for D1 in an ALH with 50k miles. this demonstrates that even D1 UOA results vary from below average to above average wear.

any mods to this engine? what is your oil sampling technique?

dabear95 October 9th, 2006 12:06

SUNRG,
No biodiesel use here. I have no retail locations near my home.


Jason

SUNRG October 9th, 2006 13:29

Quote:

Originally Posted by dabear95
SUNRG,
No biodiesel use here. I have no retail locations near my home.


Jason

oops - i meant to type dhdenney. (above post corrected).

HAL9000 October 9th, 2006 15:56

Here's mine from earlier this summer. M1 0w-40 in an '01 Jetta with 120k miles on the clock (about 9,600 on the oil).
http://pics.tdiclub.com/data/500/C78414.jpg

Brock_from_WI October 9th, 2006 15:59

Sunrg, I drain from the bottom every other change and topside change the other times. I take the sample from jug I drained, probably not the best method? The only other mod really is an Old Navy CCV puck. I do have a 11 mile commute to and from work so I have a LOT of short trips and in winter I am lucky if I get the engine up to 150F, would that make a difference? Although my wife works 45 miles away and also takes this car. But she only works one day a week.

I am considering switching to Elf CRV oil, I was thinking the “thinner” oil might be better for my short trips, would that help or hurt my situation?

Thanks!

SUNRG October 9th, 2006 20:28

Quote:

Originally Posted by Brock_from_WI
Sunrg, I drain from the bottom every other change and topside change the other times. I take the sample from jug I drained, probably not the best method?

no. IMHO this collection method will not yield lab results that are consistent and representative of your oil condition.

the following is the oil sampling procedure i recommend:
http://pics.tdiclub.com/data/500/Oil...structions.gif
Quote:

I am considering switching to Elf CRV oil, I was thinking the “thinner” oil might be better for my short trips, would that help or hurt my situation? Thanks!

since your soot levels are very low, if this were my vehicle and i lived in wisconsin, and i was subjecting it to frequent cold (very) starts - i personally would give ELF Evolution CRV 0w-30 506.01 a try.

to reduce inherited contaminants to a bare minimum, i personally would do an early change on your existing oil using this method:
  • drain oil via the drain plug, and
  • vaccuum extract oil from the oil filter housing, oil cooler and all the plumbing and crannies accessible with the oil filter removed, and
  • use Motul Engine Clean (a motor oil / engine flush)
i would also install an ECS Tuning magnetic drain plug during the oil change process if you are not already using an ECS or Metalnerd magnetic drain plug.
http://www.ecstuning.com/stage/image.../4444_x600.jpg
cheers!

DL7265 October 11th, 2006 00:32

Quote:

Originally Posted by SUNRG
Please post your used oil lab analyses results here. Hutchman is working on a UOA website where we will be able to input and all the values the lab returns and run reports, view results and search using many different criteria. It's going to be sweet :D. Once it's online a link to it will reside right here - the first post of this thread.

In the meantime, instead of everyone starting new threads for every UOA they get back or sticking their UOA in other oil threads where it might get lost, let's all post UOA data here.

Myself and others will do our best to help you interpret your used oil analyses results, and if you already know what your results mean please still post them here to add to our knowledge base.

Thanks and Cheers!

I just got my first 5K results from Blackstone. I would post it here if i knew how ??

DL


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