Originally Posted by 
Peter O
				
			 
			 
Anyway I started to clean up the old exhaust manifold and managed to break both of the remaining studs off so I drilled them and used an easyout to remove the shell. This manifold has seen better days and looks to have had the studs replaced with some cold chisel work before :mad:. 
I am going to have to buy another finishing tap as my tap will not go into the hole far enough and the manifold is very soft. I have gone up a stud size because there was no thread left in two holes :( .