Hey all, My mechanic is putting synthetic oil in the tranny when it finally goes back together today?? What are advantages/disadvantages? to having this kind of oil over regular oil? Levent Cur http://www.qtm.net/~lcur -=- Audi Webpage 1993 Audi 100CS Quattro w/5spd "4 RINGS" 1987 Audi 5000CS Turbo w/202,000 miles and 1.3 bar