Does ne1 no who can tune a j3 chip?

I have a eb xr6 with a turbo conversion, I'm running a standard el xr6 comp but my cars not runnng right, I bought a blank j3 chip to tune it to what it needs, problem is I can't
find anyone that knows how to tune them. If anyone knows anyone who knows how to tune my car with this chip in melb Vic could u please let me no, cheers!
find anyone that knows how to tune them. If anyone knows anyone who knows how to tune my car with this chip in melb Vic could u please let me no, cheers!