Head Porting basics

splitter,you've been given all the info you need so all I'm going say is sit down with a pen and paper and write down all the pertinent info that is on your thread.don't be afraid just be carefull. figure 40hrs to do this.buy a cheap air die grinder and go to it. I've found those that do this for the first time either run out of patience and rush it or just get tired.