Recent content by Seeburg

Here is a recent data point for Blackstone's turn around time: I mailed my sample to BS by USPS First Class on 9/22/25. I received the report back on 10/9/25. 17 days door to door, including USPS delivery time from California to Indiana.

Thanks for the recommendation. I looked at the Polaris website and I saw the form to request an account for testing "less than 10" pieces of equipment. However, the website also steers single vehicle testing to one of their retail partners, like Oil Analyzers. Are you testing directly with...

I'm still a bit surprised/mildly perturbed by the low viscosity numbers being reported for this oil. Has anyone seen a VOA done by a company other than Blackstone that shows better virgin viscosity numbers?

Yes, it is. It's lived its entire life in SoCal so it's really clean. There's no need for salt on the roads when it's 60 to 70 degrees in the winter. It has a smallish ding in the edge of the drivers side wheel well. I was restoring a 1950's drill press and the column fell over and just...

Exactly. I just picked up another two 5 gallon pails. Still have two other 5 gallon pails from last year's rebate. I have about 25 gallons total. With these results, my usage pattern, and the nature of the 6.0, I am going to 4k or 5k intervals max from now on.

Original owner of a 2006 F250 6.0L with 88k on the ODO. I just did my second UOA and it's for Mobil Delvac Extreme 15W40. (It was also my first time using Delvac Extreme. I had been running Rotella T6 before that and the prior test values listed on the report were for T6.) I've always run...