Yea, ain’t that some chit, OH wait! MoPar people say the same thing!
The 318 is born as a people mover, nothing more.
Low compression ratio, small valves, room stick cam, not a 4bbl. until the middle of the smog years...
If your not fully porting the 302 heads, then skip right over them & build what you have or go to a 360 head. If your going to build a snotty 318, go to the Edelbrock head.