Originally Posted by
little bram
Hi everyone me and my brother have been out trying to set the air and fuel up on his series 2 turbo with cosworth management it seems to be getting better and running a little better but still having problems, it wont rev past 4000 rpm sounds like its missfireing but still pulls.
Are you actually mapping it? What are you using to change the maps?
What changes did you make to get it better?