have a 90 teg ls what to do swap but not sure on what the best swap asking for help? if i do a ls swap would i need to use the obd1 computer and harness or i could use my obd0 ecu and do a plug n play (piggieback) or if i do any swap at all do i need to change my ecu . again wit the swap question i want to be all motor so what the best internal work . thankx alot for the knowledge you can pass on to me.