i have a 1982 280zx.that was given 2 me from my dad.he did nothing 2 it but let it sit so i got it.i just got a few questions about the 280zx.how do i tell if the engine is a L28e or L28et?and in what ways can i increase the performance on this car. i heard that getting more air in and out is always a way to go.i want 2 know what r some other ways to go?i also heard about adding a turbocharger or a supercharger. someone give me some info on which way to go thanks, SirRoberts1288