So I am currently building a 292 for my F100, I have ECZ-G heads w/ the edelbrock 553 intake, will the port size on the heads match the manifold, or should i hunt down the edelbrock 573 manifold for my current setup. Note that this motor is in a 4x4, not that it will see any more mud than it takes to get out of my drive way in the winter. Is the difference in the manifold going to benefit me in any way?

Spending my children's inheritance one Y Block at a time.