Sepang Circuit

hi all the masters,im new here,this is my 1st post,hope can hear some idea n opinion.
im old school car fan,i like old school car very much,i have this mitsubishi galant 1.6year 1982.everything is original,didnt change anything at all,even the 24 years old radio is still function well,i just repaint once in 24 years.anything i can do on this car?from outlook to engine,what should i do to make this car better?i hope this car can b more faster,mayb i should do anything on the engine,or...