Recent content by cles

I don't have TBN's for any of the samples. I will request that test when I send the next sample. Forgot to mention, I use Amsoil oil filters, EAO80. I bought the truck at 243,000k and was told it had used Amsoil DEO all its life, and that is all I've used since. And all odo readings are...

Attached are the results of 3 of the last 4 oil tests done on my truck. Given the recent high copper levels, and lack of other metals, I'm guessing it's time for a new oil cooler? This is in a 2003 Dodge Ram 2500 QC 4X4. It is basically a highway truck. It seldomly tows light loads and/or...