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Yes and maybe... Yes,



are you sure you are sure on that?
so no comment on 4150 dommys so i guess these guys are talking thru a hole in their heads huh? i've got the 400 indy manifold & its been matched to my junk -1 heads so i'm not wanting to part with it just yet, hence the promax adaptor, it looks like its a plastic unit so it would insulate the carb from the heat. i'll try & borrow a dommy first before i outlay my hard earned $$"s, the promax adaptor i could flick off if i dont see any marked improvements. thanks for the feedback.