has anyone here installed a set of edelbrock e tec (chevy vortec)heads on a c3 vette ? what intake manifold will fit under the stock hood ? edelbrock claims thier performer and performer rpm will not fit wiand makes a shorter manifold but i dont know if it will fit . i am starting out with the q jet carb . my project is stalled till i get a manifold that will fit any help with this and hydraulic cam selection will help. thanks MIKE