Cazbah362 said Well, finally had the opportunity to dyno my 451, worked well to 7200 and made 653 HP. Here is the video Took it to 7500, T&D's on #1 broke, so need to check the damage. Here is the video to 7200: http://www.youtube.com/watch?v=iFQfRe9IoPc Charles Click to expand...