Difference between '90 models and newer models

[perley03]

i just recently bought a '90 gst and some people were telling me the 90's had problems and there are big differences between the years. Is it going to be a pain modding this car or will it be just like any dsm???

 

[president95]

http://www.dsmtuners.com/forums/showthread.php?t=228574

And here
http://www.dsmtuners.com/sub.php?page=modelguide