Shell SX,Sat--mineral oil as the book recommends--I did put some $24 cheaper oil in at a van park on a looong trip,fishing around in the bins for milk containers for a drain as you do,the clutch and box felt different,bullsh-t, it was my head saying so albeit you will now get the full gambit of oil technology :yesnodn topic,no I have never bought from that supplier,phew.:mrgreen:Has anyone purchased cheap premium oils from this supplier in Eastwood, Sydney? It all seems genuine. While on this track, how many troopers use full synthetics, do you REALLY find an improvement anywhere? Just wondering.