Mike Sutton wrote: Snip > As far as identifying an AVS vs an AFB...heres a couple tips. > > An AFB has no spring loaded flap over the secondaries, it has a > conterweighted flap down inside of the secondary venturies. > > An AVS has no secondary venturies, just a couple of brass tubes pressed into > the carb body on the secondary side. Snip Hmm.... Seems to me that most every AFB I've ever come across had "AFB" cast into the back side of the carburator, itself. I think this is true of "AVS", too.... Mark in Westminster, CO '52 Chrysler Imperial 2-door Hardtop (Carter WCD)