signature series

Did an oil change last night and cut open the filter after work today. I noticed these small pieces of carbon scattered around inside the filter housing and filter. Oil that was drained was Amsoil SS 5w20 and oil that went in was the same. Is this evidence of cleaning prior deposits?

Hello all, I just did my yearly UOA and received some surprisingly poor results from Amsoil SS 5w20 oil with only 7,622 miles on it. The oil was ran in a 2015 Ford F150 with the 5.0. My driving habits are 80% highway, 20% city, and low yearly mileage, but my average trip is around 20 miles one...

First ever oil analysis on my Odyssey J35Y7 engine, and thought I’d share. This sample did have 6 ounces of the infamous Prolube Oil Treatment added at 1 ounce per quart. Amsoil Oil filter EA15K13. Note: engine is very quiet, sometimes when I stand just outside the driver door talking to my...

Coming from the world of Subaru, owner of an FA24 motor. I wanted to ask the ultimate motor oil question. The battle between the two best of the best. Tom Brady vs Michael Jordan. Who wins? Who's better? Who is the greatest of all time?