First Blackstone analysis on Troy-built motor - BMW M5 Forum and M6 Forums
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post #1 of 18 Old 6th February 2015, 08:06 PM Thread Starter
texsn95
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First Blackstone analysis on Troy-built motor

Earlier this year I had a Troy-built motor installed that had 25k on it with new bearings and Vanos line just put in (carrisco's old motor from his M6, late 07 build). Sample was taken with steaming hot oil. It burned almost 3 quarts in 5,550 miles, so I'm happy with 1 qt per 1850. Probably 80% city and 20% highway driving on this duration, and I try mightily to keep it under 3k while she's warming up. Before the oil change, I could tell the car wasn't running as smoothly as before. Hard to describe, but it just seemed a bit down and sluggish on a 300 mile trip home from North Tx. Here's what I used when the new motor went it. A few of the metals seem to be lower than average so I need to research what that means.

AMSOIL European Car Formula 5W-40 Synthetic Motor Oil

I went with Mobil 1 0w-40 this time. Engine noise seems the same, however she is smooth as silk now. Temps seem to be down 5-10 degrees as well. I'll do the next change at the same interval and see where it lands.
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Last edited by texsn95; 6th February 2015 at 08:35 PM.
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post #2 of 18 Old 6th February 2015, 08:24 PM
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OP - What bearings do you have installed in your engine? Older 088/089 or the newer 702/703? I'm assuming new 702/703. The newer 702/703 bearings do not have copper/lead in them. I was on the phone with Blackstone Labs for a good amount of time trying to explain to them that many S85 owners who are changing their bearings are putting in the new 702/703 bearings and that lead count cannot be used to indicate bearing wear anymore for those running the newer bearings.

It took them awhile to grasp what I was saying as they kept stating that e6x M5/M6s have the copper/lead based bearings, and yes, this is true during the production of those cars, but for anyone who is changing out their bearings after 2011 the 088/089 copper/lead based bearings are no longer available and only the aluminum based 702/703 bearings are available now.

I think it's best if you let BS Labs know in your next report that you aren't using the older 088/089 bearings anymore and are using the 702/703. They do know that from 2011+ the S65 M3s are using the 702/703 bearings, but they do not know that many of us are now putting in the 702/703 bearings into our cars.

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post #3 of 18 Old 6th February 2015, 08:34 PM
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The 455 degree F flash point is the highest I have ever seen on a BS report.

Usually it goes down as the oil is sheared sometimes by as much as 40-degrees.

That amsoil has brand new specs even after 5000+ miles

You can put back in and run it another 10k if you get Amsoil bypass filtration
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post #4 of 18 Old 6th February 2015, 08:34 PM Thread Starter
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post #5 of 18 Old 6th February 2015, 08:36 PM Thread Starter
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Quote:
Originally Posted by ticat928 View Post
The 455 degree F flash point is the highest I have ever seen on a BS report.

Usually it goes down as the oil is sheared sometimes by as much as 40-degrees.

That amsoil has brand new specs even after 5000+ miles

You can put back in and run it another 10k if you get Amsoil bypass filtration
I wasn't familiar with flashpoint and how it relates to oil quality. Thanks for the lesson
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post #6 of 18 Old 6th February 2015, 08:40 PM
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Originally Posted by texsn95 View Post
Good question..paging Troy! But yes I do think they're the 700 club bearings.

The 700 series would at least show a minute quantity of tin 3 or more, not zero
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post #7 of 18 Old 20th March 2018, 03:43 AM Thread Starter
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After skipping an analysis in 2016, here's is the one from Jan 2017. I just changed my oil today and will be sending it off tomorrow. Needless to say I expect a few of these numbers to be off the charts for this oil change The type of bearing was never confirmed, but I doubt it's the 702/703s in there. I've been out of work for a year, a casualty of the subsea / offshore catastrophe in Houston, and the last thing I need right now is to be ******* around with bearings that supposedly were newly installed only 21k miles ago (and at only 15k on this report).
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post #8 of 18 Old 20th March 2018, 03:55 AM Thread Starter
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I'm not concerned with the larger bits, as it's probably dirt that dropped in from the undercarriage. But the many, many wee little particles floating around the entire pan....
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post #9 of 18 Old 20th March 2018, 06:44 AM
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Err don't those motors come with a 3 year warranty? Why even bother with blackstone?
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post #10 of 18 Old 20th March 2018, 03:49 PM Thread Starter
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Not sure of any warranty duration. Mine was installed April of 2014 but I've only put 21k miles on it.

I know a Blackstone report isn't the end-all be-all of engine health, but can be a useful tool if done consistently. On my oem motor back in 2013, a report showed lead at 58 then it spun a bearing 3000 miles later.
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