Originally Posted by J-MAN

To me it feels more punchy on the low end but the biggest difference is the midrange and top end, the one i have deffinately pulls harder than all 4 of my keep on engines. And i didnt have to lean as much to make run time. These are just my findings so far. ran it with a #8 plug 2015 pipe and the medium header, vp power master fuel with castor added.