318 Build suggestions

Doesn't matter if it is a 318/360 Mopar or a 302/351 Ferd. The principles involved are the same no matter what brand is on the valve cover.
The bigger engine will have more tq & for some people that may be very important. The smaller engine can probably can be made to make the same hp as the bigger engine, but is likely to cost more in parts because higher rpms are needed.