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Diagnosis: All wear levels appear within acceptable limits for first sample. Silicon level (dirt/sealant material) satisfactory. Water content acceptable. Viscosity within specified operating range. Action: As oil already changed, resample at next recommended interval to monitor and establish...

Probably 70% highway driving, 30% stop-n-go traffic. Time in use ~6 months Overall pretty pleased. Intend to try to reduce the Si. I thought I had already done so. Blackstone comments:It's been quite a while since we've seen a sample from your Tundra and wear looks as good as ever! You ran this...

The more I read and think about it the more I am convinced that my 05 Volvo has had silicate dropout. There are white soft deposits that can be seen in the coolant reservoir. I intend to drain the coolant and run a couple fills of water through it. Anyone think I should do more than that? Any...

Finally got the analysis in on the wife's Accord. Analysis does not look good. Comments by Blackstone: "We found enough sodium and potassium in this sample to suspect you are getting some anti-freeze into your engine oil. Copper was the only wear metal out of line and shows the coolant may be...

Do you have a house blend that you want to be known for? Maybe you can choose a name that is descriptive of that.

My wife is eyeing the new Lincoln LS and I must admit, it is a nice looking car. Small and sporty enough to keep her happy, yet still sophisticated. Interior is really nice. I searched the site and could not find much on it. I see a lot of them on the road. Anyone have feedback on this car they...

I have seen other occasional posts about this ATF, but have not seen much info on it. Is this mainly used for trucks/buses/fleets? Anyone have any experience with it? MSDS Data Sheet

Anyone know anything about Toyota TRD filters? I have a 15% coupon for the local dealership, which already has a relatively good price on them. However, looking at these pics, the USA version looks like a Wix filter. Specifically, I am interested in the 00602-90915-007. I think it is the one...