Oil Analysis Lab Test Results

205541 Views 815 Replies 125 Participants Last post by jent, 3 mo ago

BlueMerleBC

Discussion Starter · Apr 30, 2015 (Edited)

We know you have posted your results elsewhere in the Forum. Now there is one place to look for oil analysis and related commentary. Encourage you repost results if you want, all new test results here please. Thanks.

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biodiesel

· #741 · Feb 23, 2022

I pulled the very first oil sample on the 2015 EcoDiesel. I was very happy with the results. There's only 5,368 miles on the engine oil, but the oil spent 8 months in the engine. That's a lot of idle time, cold starts, daily short commutes, and some towing. The T6 lost approximately 50% of its TBN capacity as it dropped from 10.6 to 4.91, which isn't a surprise. T6 uses a softer base oil which doesn't hold up to oxidation like a better-quality oil, but it still protected the engine for this type of interval.

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HYDREX

· #742 · Apr 20, 2022

Coincidentally my 130,000 mile Blackstone UOA showed up a few minutes ago... I know some of my info still on it, no sweat. Last time I did a TBN it was 5.1 at 10,000 mile interval , btw with T6.

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biodiesel

· #743 · Apr 20, 2022

HYDREX said:
Coincidentally my 130,000 mile Blackstone UOA showed up a few minutes ago... I know some of my info still on it, no sweat. Last time I did a TBN it was 5.1 at 10,000 mile interval , btw with T6.

Thanks for posting. 5.1 TBN is good for 10,000 miles. You must do a lot of highway driving?

HYDREX

· #744 · Apr 20, 2022

biodiesel said:
Thanks for posting. 5.1 TBN is good for 10,000 miles. You must do a lot of highway driving?

@biodiesel , I'm in rural Maine so no short trips, but very little high speed highway, mostly 45-55 mph and a fair bit of heavy towing. I never see really high oil temps. Use winter front from October to April. Just took it off. I'm pretty anal about oil changing and testing, but for me the T6 seems perfect. Kinda like Scotch, the $100+ a bottle single malt is really great, but I can find one for less that is just as good...

biodiesel

· #745 · Apr 20, 2022

HYDREX said:
@biodiesel , I'm in rural Maine so no short trips, but very little high speed highway, mostly 45-55 mph and a fair bit of heavy towing. I never see really high oil temps. Use winter front from October to April. Just took it off. I'm pretty anal about oil changing and testing, but for me the T6 seems perfect. Kinda like Scotch, the $100+ a bottle single malt is really great, but I can find one for less that is just as good...

Based on what I'm seeing, T6 is protecting your engine under your driving/environmental conditions. In your most recent oil analysis, the viscosity shows the oil dipped into the 5W-30 range. The cST should be greater than 12.5 and your report shows 12.2. Blackstone said the values should be between 11.9 - 15.3, so you're technically still okay.

HYDREX

· #746 · Apr 21, 2022

biodiesel said:
Based on what I'm seeing, T6 is protecting your engine under your driving/environmental conditions. In your most recent oil analysis, the viscosity shows the oil dipped into the 5W-30 range. The cST should be greater than 12.5 and your report shows 12.2. Blackstone said the values should be between 11.9 - 15.3, so you're technically still okay.

First thing that I saw! Blackstone seems ok with it, so... Here is a test that was posted on the Ford 3l PS forum. Just for a comparison 5w30 Ford spec oil.

biodiesel

· #747 · Apr 21, 2022

HYDREX said:
First thing that I saw! Blackstone seems ok with it, so... Here is a test that was posted on the Ford 3l PS forum. Just for a comparison 5w30 Ford spec oil.

Blackstone knows that a thick 5W-30 still offers protection, but the oil has fallen out of spec. At 10,000 miles, you're running a 5W-30 oil. I wish Blackstone reported TBN and Oxidation values. My T6 cST was 13.4 and my TBN was 4.91 at my interval. Oil usually thickens as it ages, but sometimes fuel dilution thins it out. We'll see what your next report shows.

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DrivingZiggy

· #748 · May 28, 2022

I must say that I'm happy with my 175,000 mile report!

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DATA

· #749 · May 28, 2022

DrivingZiggy said:
I must say that I'm happy with my 175,000 mile report!

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DATA

· #750 · May 28, 2022

DrivingZiggy said:
I must say that I'm happy with my 175,000 mile report!

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What brand of oil are you using. Thanks

DrivingZiggy

· #751 · May 29, 2022

DATA said:
What brand of oil are you using. Thanks

Rotella T6 5W40.

Reactions: 2

Top

· #752 · May 31, 2022

Not sure what is up with fuel dilution, but I hope the next sample is better.

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97hmcs

· #753 · May 31, 2022

It's possible the truck regened just prior to the oil sample and didn't get hot enough to evaporate the fuel in the oil.

Top

· #754 · May 31, 2022

Well, I have the little message that pops up when the regen takes place and I don't recall it happening immediately prior to taking the sample when I drained the oil. I do know the "new" program from Gr&&n Di&s&l regens more often than the original version.

97hmcs said:
It's possible the truck regened just prior to the oil sample and didn't get hot enough to evaporate the fuel in the oil.

biodiesel

· #755 · May 31, 2022

Top said:
Not sure what is up with fuel dilution, but I hope the next sample is better.

Are you using a fuel additive on a frequent basis?

biodiesel

· #756 · May 31, 2022

Top said:
I do know the "new" program from Gr&&n Di&s&l regens more often than the original version.

The GDE EPA Compliant Tune actually regens less than the factory tune. Factory tuning doesn't display every regen whereas the GDE tune (with regen display monitoring) allows you to see every regen.

Top

· #757 · May 31, 2022

biodiesel said:
Are you using a fuel additive on a frequent basis?

Nope

Top

· #758 · May 31, 2022

biodiesel said:
The GDE EPA Compliant Tune actually regens less than the factory tune. Factory tuning doesn't display every regen whereas the GDE tune (with regen display monitoring) allows you to see every regen.

I'm comparing the OG HOT with the 'compliant'

I only had OE tune for a few miles and the AEM tune for about 21 miles.

Reactions: 1

biodiesel

· #759 · May 31, 2022

Top said:
Nope

It's possible that you have a dirty/sticky injector which could cause poor fuel atomization or the injector to leak. Run a full bottle of Diesel Extreme to see if it resolves the issue.

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biodiesel

· #760 · May 31, 2022

@Top, your oil report says it was taken May of 2021 with 97,000 miles on the odometer. Is that an error?

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