Black Stone Report

Pacchin55

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Walmart Supertech 5W30 full synthetic, with 3 track days. Made sure not to use race fuel this time and lead went down, confirming that lead from the previous samples were from lead contamination in the race fuel pump tanks and not from bearing wear. Have the Toyota GR Supra 0W20 oil in there now for winter.

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Pacchin55

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Here's another oil analysis. My engine is all stock, and about 200 track miles on this oil. I'm going to put Castrol 5w40 (BMW LL01) in it for my next few track events and then send in a sample again. Seems like this engine might not care what kind of oil you put in it.

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Which 0W20 oil was this?
 

Moorman

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Here are my first two analyses, both using factory 0w-20 and pushing the 10k recommended interval which is apparently too long based on TBN. Latest change I went with Red Line 5w-30 which I'll keep in for the close to the same interval to give a fair comparison of the two oils.

No track time, daily driven, short commute so lots of short trips. Tuned for E50 and catless DP w/ the aFe Magnum Flow DRY S drop-in filter. Looking at his commentary, seems he thinks by "tuned" that there was some physical work done, but nothing has been opened up, so I'm a little concerned about the drop-in filter's capability based on silicon. The majority of this next batch of oil will also see a change to the AWE S-FLO Carbon Intake System, though there will be 1 or 2k miles still on the current air filter.

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afree

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Here is my factory fill report:

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Bonus: Here is my VOA report for the Toyota GR Supra C5 0W-20 oil (if anyone is curious):

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I have another analysis in the works for the GR Supra oil then replaced with 5W-40 LL-01 oil. Will see how that does.
 

polaris

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Posted in a different thread but I'll add it here too:

Here's my Blackstone report on my factory fill oil sample taken at 2500 miles, for whoever's interested. Followed the manual (for the most part) for the first 1200 miles, had a track day at 1900 miles, and a good bit of spirited driving on the roads mixed with regular cruising.

Filled up with more GR Supra 0W-20 that I'll be changing out again at 5k. Once I get the results of that sample I'll make a decision to stay on the Supra branded 0W-20 or move up to xW-30 at 10k miles.

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SuupYota

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Has anyone here ever seen a Blackstone report that actually says something really bad? They always say something that COULD be an issue but then say, "but that's normal" etc. For once I'd like to see one that was "we found lots of copper,lead, rats and deposits, and this is catastrophic." Haha just curious
 

digicidal

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Has anyone here ever seen a Blackstone report that actually says something really bad? They always say something that COULD be an issue but then say, "but that's normal" etc. For once I'd like to see one that was "we found lots of copper,lead, rats and deposits, and this is catastrophic." Haha just curious
Found on thesieselstop.com forum:
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So yes, they do say when something is actually bad. Although still phrased as pleasantly as possible: "Something is not right here" :oops: I guess you'd just call that proper bedside manner for a mechanical diagnosis. It's easier to swallow than "engine go boom soon".
 

polaris

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Second report at 5000 miles (2500 miles on oil)

GR branded 0w-20 seems to wear pretty well. On Liqui-Moly 5w-30 now, but I'm definitely not against 0w-20 in this motor (besides the price, at least.)
 

RWhiz

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First report at 3429 miles, not bad, what I expect.

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Branflakes123

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2021 A91, 9k-15k miles. Put it to the floor at least once every drive and there was one AutoX event on this oil.

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MYA90SUPRA

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I wonder what the spec from bmw is for allowed silicon is. For cat anything or 10 ppm is shut the equipment down and find the intake leak
 
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ikingkhaos

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First oil change. Most of my miles are from mostly cruising around town. Some hard acceleration from time to time. Taken to redline a handful a times. All prior to break in spec.
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