Hypothetical 318 Builds

1969 318 hone,ring, bearings and second to the smallest purple cam at the time? Been a while. Heads mild Port work. If any gain likely taken away with manifolds. Heads rebuilt with springs to match cam. Street master intake, 4 barrel and windage tray. Mopar performance electric ignition.
On the mild side. Performed well and got 20 mpg on the highway. Good balance between power and efficiency