does anyone know what parts our wiring is required for putting a j spec 13bt in an 83 gsl. or a 12a turbo.. any info would be helpfull i am contimplating one of these swaps and allready have to much time and money invested into this car to start back at square one not knoing what the **** i am doing again.. kno my car inside and out but dont kno too much bout swaps...........thanks

 

gsl-se crossmember
GSL-se fuel tank (unless you are ok with not dropping below 1/2 tank)
wiring harness
ECU
fuel pump, fuel lines

That's the basics, but I'm sure there are more that I can't think of.