Help newbie at obd1 tuning

I have a complete lt1 4l60e with harness and computer from a 95 caprice i'm about to put in an s10. I need help i have no idea what i need for tuning this. I know i need lt1 edit or something similar but also i need to know what i need for cables and other things and where to get them. Any and all help will be greatly appreciated!!!!!

Thanks

sorry i forgot to tell you guys what it came out of i edited it but it came from a 95 caprice