ok so im driving an 85 supra here. rod knock started yesturday so my lady has a tired heart and i wanna change that. due to a tight budget. my dream j swap is not here yet. i want to keep her na for now so i found a new fresh 7mge with out harness nor ecu stricly motor. iwanna do the swap but whats the recomended setup. 3.0 hybrid or all the wiring drama? Is there still someone building harnesses or what?