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post #151 of 355 (permalink) Old 01-30-2013, 06:05 AM
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Post your Used Oil Analysis (UOA)!!!

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post #152 of 355 (permalink) Old 01-30-2013, 08:34 AM
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Originally Posted by reineduro View Post
my tundra is a FFV and I have heard that Toyota will change the oil in flex fuel cars and trucks after 5000 miles no matter if I you run e85 or not. Is this true?
From my previous post:
One helpful bit I learned: the toyota care covers 5 or 6 (cant remember which) in the 1st two years. You get to choose the intervals. They don't tell you that outright. So you could use up your 5 or 6 changes every 3k miles since the synthetic bulk they use at the dealer is pretty much just group 3 stock with a decent add pack on it. I pay them 30 bucks extra to use Mobil 1 and I'm having them do it according to time, not mileage. I just took the free changes they offer and spaced them out evenly over the two years. It's a waste of good oil, but the oil is cheaper ($30- for 8 qts of M1 is fine by me) and the labor is free. Plus they do all the other maint. stuff at each visit as well. If you go by mileage, you probably wont use up you 5 visits in just 2 years.

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post #153 of 355 (permalink) Old 01-31-2013, 03:40 AM
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My recent UOA.

Here is my UOA on my 2011 Tundra.

Last edited by 2010; 02-20-2015 at 05:35 PM.
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post #154 of 355 (permalink) Old 01-31-2013, 05:59 AM
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Originally Posted by ppyzyna View Post
Here is my first UOA on my 2011 Tundra.
I couldn't find a TBN on your UOA. Does that cost extra? And you said it was your first oil change but Blackstone seems to think it's your second. Those iron and copper numbers seem high if it's your second change.

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post #155 of 355 (permalink) Old 01-31-2013, 07:31 AM
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Getting ready to do my first oil change. What sample size do I need to catch for Blackstone? I just ordered the collection kit but it won't arrive before I change it.
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post #156 of 355 (permalink) Old 01-31-2013, 11:32 AM
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Re: Post your Used Oil Analysis (UOA)!!!

Take the sample from the middle of the drain too.

My kit came in the mail maybe 3 days after I requested it. If you can wait foe the kit, I would recommend it. It will lessen the chance of contamination between bottles. Oh and wash and dry the sample bottle before taking it. You need it to be as contaminate free as possible.


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post #157 of 355 (permalink) Old 01-31-2013, 12:57 PM
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Used Oil Analysis UOA

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Originally Posted by EZTundra77 View Post
I couldn't find a TBN on your UOA. Does that cost extra? And you said it was your first oil change but Blackstone seems to think it's your second. Those iron and copper numbers seem high if it's your second change.
$10 more for the TBN which I will probably do next time. I had my oil changed soon after (5200 miles on oil) with the Toyota Synthetic 0W-20. This sample was from the second oil change. I agree that the iron and copper seem high, so I'll be watching that closely. Blackstone seems to think it will go down.
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post #158 of 355 (permalink) Old 02-01-2013, 10:03 AM
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I intended to go to 7500 miles but it went out to 8100. My next one will be in 10K miles.

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post #159 of 355 (permalink) Old 02-05-2013, 04:08 PM
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Quote:
Originally Posted by ppyzyna View Post

$10 more for the TBN which I will probably do next time. I had my oil changed soon after (5200 miles on oil) with the Toyota Synthetic 0W-20. This sample was from the second oil change. I agree that the iron and copper seem high, so I'll be watching that closely. Blackstone seems to think it will go down.
I wouldn't spend the $10 on TBN unless I were trying to do extended intervals. For example, no use in doing a TBN at 5k interval as we all know there will still be life left...and I expect that is true for pretty much all oils. But, if you want to do extended drains then I think it is a mistake to get a UOA without TBN.


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post #160 of 355 (permalink) Old 02-06-2013, 06:43 AM
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fyi


If only the copper is high, but no other metals such as lead, tin, or aluminum are elevated, it is mostly an oxide of copper from the oil cooler. As the oil cooler is exposed to the heat from the engine oil, it can sometimes oxidize the copper, which will show up in the analysis report. This is considered a normal condition and no corrective action is required. This process usually will taper off or stop occurring over time.



Fyi.............................
Per Caterpillar, high levels of copper found in oil analysis are a result of engine cooler core “leaching”. The zinc additive in diesel motor oils reacts with the copper cooler core tubes at high oil temperatures. This chemical reaction results in copper oxidation products forming on the surface of the tubes and then coming off into the oil as it washes over and around the tubes. Heat is a catalyst to this chemical reaction- the higher the oil temperature the greater the rate of oxidation and the longer the reaction process is sustained. This does not cause any damage to the cooler core, or to the engine. However, you will see the copper reading elevate to over 100 PPM. Copper is not a particulate in this case but is in solution in the oil. The PPM will start relatively low and increase over 100 PPM and stay at high levels for several intervals, and then return to normal. During the oxidation process, a hard film forms on the tube surfaces exhibiting the appearance of clear varnish. Changes in operating temperatures, and /or changing oil brands can chemically disrupt this film and begin the oxidative leaching processes again. This can occur in any system with a cooler core: Diesel or gasoline engines, Transmissions or Hydraulic systems.

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post #161 of 355 (permalink) Old 02-06-2013, 10:22 PM
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Originally Posted by Z15 View Post
fyi


If only the copper is high, but no other metals such as lead, tin, or aluminum are elevated, it is mostly an oxide of copper from the oil cooler. As the oil cooler is exposed to the heat from the engine oil, it can sometimes oxidize the copper, which will show up in the analysis report. This is considered a normal condition and no corrective action is required. This process usually will taper off or stop occurring over time.



Fyi.............................
Per Caterpillar, high levels of copper found in oil analysis are a result of engine cooler core “leaching”. The zinc additive in diesel motor oils reacts with the copper cooler core tubes at high oil temperatures. This chemical reaction results in copper oxidation products forming on the surface of the tubes and then coming off into the oil as it washes over and around the tubes. Heat is a catalyst to this chemical reaction- the higher the oil temperature the greater the rate of oxidation and the longer the reaction process is sustained. This does not cause any damage to the cooler core, or to the engine. However, you will see the copper reading elevate to over 100 PPM. Copper is not a particulate in this case but is in solution in the oil. The PPM will start relatively low and increase over 100 PPM and stay at high levels for several intervals, and then return to normal. During the oxidation process, a hard film forms on the tube surfaces exhibiting the appearance of clear varnish. Changes in operating temperatures, and /or changing oil brands can chemically disrupt this film and begin the oxidative leaching processes again. This can occur in any system with a cooler core: Diesel or gasoline engines, Transmissions or Hydraulic systems.
I'm going to have my cooler core dipped in nickel followed by a dip in platinum to be safe.

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post #162 of 355 (permalink) Old 02-07-2013, 08:02 AM
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Copper is used because its the best at heat transfer and it holds up to extreme temps.

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post #163 of 355 (permalink) Old 02-07-2013, 08:13 AM
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Copper is used because its the best at heat transfer and it holds up to extreme temps.
Yeah, but can i get my new mouth grills made out of copper to match my oversized necklace that says "gangsta pimp"? See, it has to be functional.

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Quote:
Originally Posted by EZTundra77 View Post
Yeah, but can i get my new mouth grills made out of copper to match my oversized necklace that says "gangsta pimp"? See, it has to be functional.
Only if you wear your pants around your knees at the same time


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Now thats funny!!!!

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