I picked up a very clean 87 GN and after a spun rod bearing and the second 200R4 I decided to go LS , I picked up a 90k 06 5.3 Truck motor , planning on head studs , ls9 head gaskets , ls6 cam and ls6 springs . CTSV oil pan . Then adding a 76 mm turbo and the fuel system to support E85 . The...