Posted August 30, 201113 yr comment_365073 1978 280z, looking to replace Cold Start Valve. Have noticed that replacements are referred to as "black dot" or "Green dot". Besides $, what's the difference between the two? Also, is it the same connector as is used for the injectors? Thanks. Link to comment https://www.classiczcars.com/forums/topic/40630-black-or-green/ Share on other sites More sharing options...
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