Originally Posted By Belvedere1
You cant retrofit the annular boosters. I asked the question recently right after they came out. My guess is they would flow less CFM than the old style boosters based on how physically large they are.
That's a shame. Would be nice to have another tuning avenue on these carbs. Will they physically bolt in place, though? I don't mind a small loss in flow on the primary side (hello Qjet/TQ) to help efficiency....