A low-priced used blower can be an overwhelming temptation for a power-hungry hot rodder, but some hints on buying used superchargers can make the difference between getting a good blower and blowing ...
You get a choice of a single or dual 4-barrel carb adapter that accepts standard-flange Holley (Models 4150/4160) or Carter AFB. Single carbs are recommended for underdriven, basically stock engines.