Your putting just the motor in? If that is the case you should be fine if your not running the turbo. Dumb the electrics and stay carbed. You would be better to sell the turbo motor as a whole, electrics and all, and find an N/A motor cheap to do your conversion.
You need to explain what your goals are, year of the s30, etc. Take some time to read alot more on this site in general.