Umm u really r a bunch of jealous wankers! Firstly I said stock engine. A tune is computer work so still stock engine. Has any1 ran a flat 13? That was the question! I seen 13.3 13.4 13.8 no1 out there even in a 6.2 clubby was getting 13.2, a new vf 340 with an edit was getting 13.1. I have this...