metallipotty
New Member
I'll be swapping a ZC into my '89 LS to replace the stock engine (290k) and I have a question.
Will I need a different ECU, or will I be fine with the old ECU and wiring? It's the same year, not the 86-87, but I wanted to ask someone who knows before I order the engine.
Will I need a different ECU, or will I be fine with the old ECU and wiring? It's the same year, not the 86-87, but I wanted to ask someone who knows before I order the engine.