you will need an obd1 virgin ecu. p28 will be the most versatile. the s300 is a daughterboard so it connects via pin headers vs. the s200 is a drop in chip and connects via a socket.

a p06 can be used too, but it has to be converted to vtec if you have vtec.

feel free to pm/call me for any help locally. 678-614-3596.