So wait, ALL Carter AFBs need an adapter plate whether square bore or spreadbore maifolds are used? What about the current AFB that I have on my 74 now? Couldn't I just replace an AFB with another AFB, or the Edelbrock one? What is amiss here? -Joel '76 Scout II '75 T'all 150 4x4 '74 T'all 150 2x4