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Re: Blackstone Results on Motul 10w40 (Updated)
Re: Blackstone Results on Motul 10w40 (Updated)
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Old 01-10-19, 06:13 PM   #1
EjDriver
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Default Re: Blackstone Results on Motul 10w40 (Updated)

What's going on everybody?

Just finish the break-in mileage on the new build and decide to do an UOA on the oil. This was on Motul 10w40 break-in oil. And was on the last oil change before switching to Motul Xcess 8100 5w40.

Dropbox - BlackStone_Result.jpeg

Blackstone Summary:
"This engine was rebuilt just 2,181 miles ago, so the fact that a couple of metals are high for the short interval isn't too concerning. Wear-in is likely still a factor at this point, so we'll see how trends develop over the next few reports before wondering about extra bearing (lead) or steel wear. After a few oil changes things should resemble universal averages, which show typical EJ25 turbo engine wear after ~3,800 miles things should resemble universal averages, which show typical EJ25 turbo engine wear after ~3,800 miles fine. Check back to build trends."


I'm waiting to see how the Motul Xcess 8100 5w40 is, but I'm thinking of going to the Motul 5w50 sport.

Last edited by EjDriver; 02-14-19 at 09:39 PM.
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Old 01-10-19, 06:32 PM   #2
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Default Re: Blackstone Results on Motul 10w40

300v or bust. Dont bother with xcess 8100
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Old 01-11-19, 03:55 AM   #3
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Default Blackstone Results on Motul 10w40

Surprising comments from BS about the low viscosity not due to fuel dilution since they estimate the fuel level based on flashpoint and do not actually test it.

I’d guess your actual fuel dilution is closer 1.5% based on different uoa lab comparisons I’ve seen taken from the same sample. Regardless, I’d expect viscosity to be better at only 750 miles. Another vote for 300V!

The Sport 5W50 would also probably work well since it is ester based.

Edit: Just saw that this is the Break-in oil. The viscosity took a pretty big hit since it starts at 16.0.

https://s3-eu-west-1.amazonaws.com/m...pdf?1523381900

Last edited by bluesubie2; 01-11-19 at 04:11 AM.
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Old 01-11-19, 04:58 PM   #4
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Default Re: Blackstone Results on Motul 10w40

Quote:
Originally Posted by Leemanfor View Post
300v or bust. Dont bother with xcess 8100

Is 300v worth it on a daily?
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Old 01-11-19, 05:07 PM   #5
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Default Re: Blackstone Results on Motul 10w40

Quote:
Originally Posted by bluesubie2 View Post
Surprising comments from BS about the low viscosity not due to fuel dilution since they estimate the fuel level based on flashpoint and do not actually test it.

I’d guess your actual fuel dilution is closer 1.5% based on different uoa lab comparisons I’ve seen taken from the same sample. Regardless, I’d expect viscosity to be better at only 750 miles. Another vote for 300V!

The Sport 5W50 would also probably work well since it is ester based.

Edit: Just saw that this is the Break-in oil. The viscosity took a pretty big hit since it starts at 16.0.

https://s3-eu-west-1.amazonaws.com/m...pdf?1523381900

I believe the oil was thin to begin with, I notice an increase of valve train noise over the Pennzoil 10w30 I used for the first 50-75 miles.

Still trying to decide on the next oil weight also, the car is a daily.
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Old 02-14-19, 09:33 PM   #6
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Default Re: Blackstone Results on Motul 10w40 (Updated)

Just wanted to post an update and ask a question and get some opinions. I ran into issues right before my dyno run. The week before the tune, I woke up and started the car up as normal. The oil pressure was lower than normal. Oil running Motul 8100 5w40.

Normal:
Cold start - 90+psi
Idle - 25-27 psi
Cruising - 67-71psi

Lower reading:
Cold start - ~70psi
Idle - ~21psi
Cruising - 45-50psi

I started to investigate the issue and found metal within the oil filter. I'm actually about to take the oil pan down, currently not driving the car. Now for the question and my confusion.

Looking at the results iron and copper had significant increase. At first look I thought it would be a bearing failure, but my clearance are pretty loose compared to factory. Also believe bearing would show heavier in Tin and lead. If it was rings and cylinder wall, I would expect heavier increase in Aluminum. At this time I'm guessing it may be in the head (ie: valves) until the oil pan comes off and possible engine pull.

Dropbox - BlackStone_Result-2.jpg

Am I reading the report correctly? What do you think?
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Old 02-15-19, 03:10 AM   #7
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Default Re: Blackstone Results on Motul 10w40 (Updated)

Try Liquimoly High Tech Leichtlauf 5w40 if Motul Excess 5w40 isn't good enough.

While I never lab test it, but that is the only oil I've tried outside 300V that don't loses oil within 3 months mark (I do a lot of high speed drive and avg tempt here is 32 Deg C).

The only time it did burnt a bit of oil is when I did sustained 140mph+. I am guessing an external oil cooler should be able to solve this.
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Old 02-16-19, 07:41 AM   #8
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Default Re: Blackstone Results on Motul 10w40 (Updated)

Quote:
Originally Posted by dlheman View Post
Try Liquimoly High Tech Leichtlauf 5w40 if Motul Excess 5w40 isn't good enough.

While I never lab test it, but that is the only oil I've tried outside 300V that don't loses oil within 3 months mark (I do a lot of high speed drive and avg tempt here is 32 Deg C).

The only time it did burnt a bit of oil is when I did sustained 140mph+. I am guessing an external oil cooler should be able to solve this.

After pulling the oil pan, I have some Mobil 1 15w50 to run for the next 2 weeks. I'll send that sample into Blackstone to see if it make any differences in my result.
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Old 02-21-19, 04:43 PM   #9
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Default Re: Blackstone Results on Motul 10w40 (Updated)

(Update) So, Today I was able to pull and check out the oil pan. And to my surprise there was no metal. I guess it's time to reschedule the dyno day, I'll let my tuner make the decision base on the information.



Also running Mobil1 15w50 until ~1200 miles. Then I'll send that into Blackstone for analysis.
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Old 02-22-19, 07:28 AM   #10
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Default Re: Blackstone Results on Motul 10w40 (Updated)

you're wasting your time with blackstone.

you need to send to Dyson and get a real analysis. He is more expensive, but he will tell you how to fix the problem...not just tell you what is wrong.

in my opinion, running a 15w-50 is a bandaid. Who built this engine? what oil did they tell you to run?

I had some issues with my last UOA running Motul 5w-40 and dyson said it wasn't a very stout oil. He recommended Renewable Lubricants Inc Heavy Duty 5w-40. but YMMW
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