chip for 66 sierra with 6.5 diesel

does anyone know if a chip or programmer can be found for a 96 sierra z-71 can be found i have looked everywhere i can think of...thanks

yeah, look at these, they are all the same chip
http://client.webtys.com/sc/index.asp

http://www.dieselservices.com/

www.heathdiesel.com

also check out http://www.ssdieselsupply.com/index.html

and let me know which one you go with and how you like it, im thinking about one for my 98