I was lurking about a Passat forum in a thread discussing synthetic oil. Someone posted claiming that he a sludged car using GC! No details yet, but is this possible? I guess what I'm asking, is if you follow proper 5K OCIs, can the VW 1.8T sludge with GC? ![[I dont know]](/forums/graemlins/dunno.gif)
![[I dont know]](/forums/graemlins/dunno.gif)