Recent content by Topher911

Thanks for the replies, everybody. Next oil change with the Rotella T6 I'll be sure to ask which ASTM D- is used. The TBN number does seem high, right? It uses little oil between changes; probably a couple months ago I topped it up...less than 500ml added. No. Good point about the soot...

Hey friends, First time caller, long time listener.... I've had my oil analyzed on our 2008 Jeep Grand Cherokee with about 250,000km. Until recently, it's been completely stock so for purposes of the wear on this oil change it's essentially a stock vehicle. We believe it's had the correct...