can anybody tell me where to get some kind of diagnostic software cd or if there is such a thing available that will let me hook up an 85 n/a to a lap top computer that won't cost me an arm and a leg so that I can read what my car is doing while driving it. thanks

 

buy nistune and install these are pre-OBD1 so theres no port to plug into, the only thing to do is to run the codes..

 

so what excatly is nistune and where do I get my hands on it???? thanks

 

http://www.blazt.biz/

i cant remember if the z31 had a Consult port or not.

 

too bad its for a z32.....


http://home.aanet.com.au/nistune/

 

any nissan with a consult port.

 

z31's dont have consult ports, they where pre-obd, a consult port would be the obd plug.