Pollo. here are some things to remember

You will need 91-94 power steering lines
you will need 91-94 a/c lines and/or compressor
you will need 91-94 alternator
you will need the 91-94 power steering resivoir



now ignore the last two if youre getting a motor from yuri because he supplies the a/c alternator and power steering stuff usually.

remember that the 89-90 s13 was made for the CA18DET not the sR20DET so thats why you need to change the stuff around

yeah i know what u need too my swaps done now its just a wiring thang