My personal experience from years of foot brake bracket racing is, the annular boosters allow you to run a large Venturi carb and still end up with a combo that leaves hard and is easier to tune for a nice clean hit.
kinda what AED said.
That all said.... i can get that “ look” i wanted by the new color scheme holley “ race brawler” 850 has, and lots cheaper.
They now come black with red metering blocks. Not sure how good of race carb it is, and it comes with downlegs.
