Originally Posted by mattmy99

Dude, there's a current thread called almost exactly the same thing.
Search!
If your question's not already answered, ask it there, rather than starting a new thread.
http://www.perth-wrx.com/vb/general-subaru-discussion/36929-cosworth-2-2-stroker.html

Originally Posted by mattmy99

I'll let you off. Good to see you directed your query to the other thread