I have a 1981 280zx turbo that I bought about 6 months ago. The main mods are.
msd ignition
msd 43gph fuel pump
1/2 inch fuel lines
82 distributor with a 300zx cas
450cc injectors
Pallnet fuel rail
meth injection
gt35 turbo
t-5 manual trans
mustang cobra mass air flow meter
Jim Wolf Technology computer with 4 bar technology
3.96 gear read diff
intercooler with 3 inch piping
hks blow off valve