Hi. My 300D (87) has a new cluster. It is from a gasser, but from what I can tell, they are identical. A few of queries: Has blacking out unleaded fuel been successful for anyone? Additionally, a vacuum gauge may occasionally be used? If so, which one? Mine, I believe, has four wires, and the outside temperature has five. When I search for it, the only result I find is engine temperature.

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