I know several SO CA racers and street and strip guys that tried them, the original ones, and didn't like them as well as the 4150 750 D.P. shruggy
How many different versions does Holley offer now?
Can you do the modifying and tuning to make them work the way you want? If so go for it wrench up
Maybe give Dominic a call work up scope

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)