Recent content by boy412

I run a good quality oil in the motor but my shop was concerned about some varnish visible through the oil cap hole. About 1.5 years ago there was some drama caused by low oil pressure (clogged pickup tube and a decent amount of sludge) and now I'm just extra careful about this kind of thing. I...

My first post here. I DID search before posting! I received a few bottles of LC20 today and wanted to know how much I should use to remove some varnish that has built up over 200,000 miles in my '03 Audi A4 (1.8T motor). I read a post on here a while back that advocated running 16oz of LC20...