You have a duratec, there are turbo kits out there, also nitro kits, i don't know to much about heads but i do know that you can get a 3.0l block and stick on the 2.5l head.
98.5 SVT
RIP
92 240sx SE
[image]http://home.comcast.net/~iansmith321/wsb/media/384458/site1054_t.jpg[/image]
