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16 Posts
I have a simple question. I have a 94 ls block and I'm being offered a 98 gsr head with the ecu. Now the question is will I be able to use that ecu for my car (ls/vtec) because I know right now I have a OBD1 wiring and the gsr ecu is OBD2. Will I need to get the 98 gsr wiring harness? or what do I need