I just bought a 1995 Integra Special Edition from my aunt...it has low miles, hardly ever driven and never run hard. I know it does not have a VTEC engine in it, but i wondering how hard it would be to to swap the old motor for a VTEC and would it even be worth it?

Also i am wondering, i have had alot of kids in skool ask me if it is a GSR?..i told them i dont know, how could i identify if my car is a GSR?...and what does GSR even mean?...
thanks alot
AJ