Probably a wise choice to ditch the MEFI 4. As others have said, it wont cause your engine to just spontaneously combust when you turn it over, however if there is no one in your area who knows their way around the system, that you would trust to tune the car, then it seems like a no brainer to switch it out. I know most people roll their eyes and groan when they hear I have a MEFI computer.
Matt
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