Difference between GTX and GT

[Q323GT]

I have an 1988 GT, and they are turbo. its 1.6 L DOHC 16 v Turbo, 135 hp stock, there great cars. here is a pic

[Chris]

132hp, actually (but 130-135 would be normal). I still really want one, and if the right price came along, I think I would take it, even if I never licensed it, it would be ready after school. Heep told me he saw one for 1500 Canadian, if I saw that, I would buy one.

[Dee man]

hay hows it peoples!!!i own a 86 gt 323 and a 1990 gtx 323 my question is can you tell me if you can use a ecu from the 86 in the 1990?if so then will it plug straght in?
the 86 is a 1600 turbo that was running 20psi,the gtx is standard running k&n and up to 13 psi!please let me know a.s.a.p!

thanks Deeman!