Which F22, new or old school?

flowed both F22 cylinder heads, the old and new design. Old design has a wider port entry, oval shape , and has more angle towards the valve throat. New design, cylindrical shape , less angle towards valve throat and also less port area. the new design showed more cfm through all the valve lifts , up to .4". at .4" valve lift , old design is close to the new one, but i think the new one has more potential so we are using this on the race car.