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I posted in all threads that dealt with oil for the past month.
I am very concerned about oil breaking down and it indeed is according to Blackstone Labs.
I want to get 7,500 miles out of my 15W-40 oil, but Blackstone is saying that they are finding that the 6.0L is "breaking down" the viscosity to that of a 30 weight!!!
Here are their comments...
JEFF: The viscosity in this sample did improve a little over your last sample, although it is still slightly low for a 15W/40 oil. We have been finding that the 6.0L Power Stroke is notorious for shearing down the oil's viscosity. Most of the samples we see from these engines have a lower viscosity, regardless of the brand of oil. We don't think your viscosity is a problem at all, as it is reading in a 30W range. No fuel, coolant, or water contamination was found, and insolubles were low, showing good oil filtration. This looks like a very nice wearing engine at 22,100 miles.
Its happening to all oils dino or synth. Someone (from another forum) brought it to Blackstone's attention. Since then they usually include a note that it seems to be normal for the 6.0. FMTRVT is the fellows user-name on the other forum, here is the link to the thread that discusses it (interesting reading and posts from some knowledgeable people). FMTRVT is keeping a database of all oil analysis people will give him. Id encourage everyone that does OA to do the same, just PM him and he will let you know how. Here is the link to his database, just click on the 60current.pdf file. The 7.3 is in there too. I'm B014 in the 6.0 file.
If I knew how to do it, I'd attach a copy of my last Blackstone report to this post. Best $20 you can spend for piece of mind, particularly if you have C94 injectors.
Why don't we do our own survey and analysis here ?
I just ordered my blackstone kit...
Not being an elitist or anything...
I just avoid that other site ! Too many malcontents over there
There are some nice folk, but I like this neighborhood a lot more
OK, let me get my blinders on.
Ill never understand why people choose to limit their information. Ill agree they (we) can be harsh at times. But the information and knowledge over there far outweighs its occasional harshness.
If I knew how to do it, I'd attach a copy of my last Blackstone report to this post. Best $20 you can spend for piece of mind, particularly if you have C94 injectors.
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