So my spark plug blew out of one of my heads so i decided to go for an upgrade. I was going to order Patriot but i heard a lot of bad/good things about them not to mention they have a 4 week waiting period for their heads. I was looking into purchasing livernoise motorsport heads Stage 2 for my 4.6L 2v and Anderson Ford cams. Anyone ever do any dynos with these heads installed? Just curious about the quaility and numbers people have seen