Well it looks like I need to get back to the drawing board with my engine then. The Ford engine compared to mine made mine look like childs play. I could understand if the Ford engine had other items on it to make it pop like that but I guess it does matter down to the fine line. The heads might hold the key here sooooo. They was aluminum http://www.brothersperformance.com/...-heads-72cc-chambers-stud-mount-complete.aspx
