Posted March 30, 201311 yr comment_419207 At what rpm when hand reving should I see fuel coming out of the secondary venturi?I think the diaphram that opens the secondary throttle valve is not operating as it does not kick in until nearly WOT....~ 6000rpm when hand reving.FYI DAF-328 on 72 510 Link to comment https://www.classiczcars.com/forums/topic/46148-quick-hitachi-two-barrel-carb-question/ Share on other sites More sharing options...
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