ah well, its a 16v. did the swap tonight, the crack in the old cast item was massive, it went from half way across one pipe and then traveled down about 6 inchs to where the manifold ends.!!!

anyway fitted the new one. ended up having to cut two pipes off as i couldnt get it throught the small gap . started at 1700 , stoped at 1800 for dinner , started again at 6.30 and fineshed at 23.00..
didnt go to bad, and i now know how to do it quicker, cant wait till tommorow to c what a difference it makes. just need the rest of the zorst made now and then we will be sailing
jim