Originally Posted by ap72
There are a wide variety if annular boosters and some work much better on the street and some don't. If you want the best carb then you need to call a great carb boutique and have them build you one. It's expensive though and IMO foolish when Efi is cheaper BUT for the best results go to the best carb shop.
I am having A company build me a 725cfm carb with vacuum secondaries and annular boosters. I am running a performer RPM dual plane intake.
Does the dual plane intake cause "rich" conditions with annulars?
The things I have read lead me to believe annulars would be well suited for a street engine. Although I would like to hear some application specific advice because I have found zero facts on annulars and dual planes, besides Holley listing "Annulars are designed for single plane manifolds" somewhere on their website.