Slick Talk: Powered By Blackstone Laboratories

The TBN is a popular test for automotive engine oil, and it's gaining traction in the aviation world, too. But is it a useful test for aircraft oil? Let's discuss.

We talk often about whether you can keep a fill of oil in use longer. But what about an oil filter? And when is installing a bypass system a good idea?

There's a lot we can tell you about your coolant, and there's a lot we can't. Blackstone Joe demonstrates our limits, and sprinkles in a little culinary advice ahead of the coming holidays.

"Extended Oil Interval" isn't your typical Thanksgiving staple, but we've got a good recipe to share regardless. No actual food-based recipes included in this one; some people got a bit touchy about that last time.

We get samples from a lot of different unit types. Trucks, boats, planes -- if it uses oil, chances are we've seen it at least once. In this episode, Blackstone Joe breaks down three reports from three different systems, detailing how we approach analysis for each one.