Need some help!!!

ok hybrid people i need solme advice what do i do???

Keep 94 integra and swap to 5-spee with a new engine (advice) or fix 79 bird the teg would cost more in the long run but i think it might be more benefical! im not really sure which road to take and buyin a new car is 100% out of the picture os any advice is needed if i do swap with te gim thinkin one of a few things

b18B same engine as now and get boost and crank it up (probally not)

b18C gsr engine do i/h/e v-afc and be happy

h22a1-will it fit would love to but not sure if possible-do i/h/e-v-afc and be happy!! what do you guys reccomend into a 94 integra?