For better Webers versus Dynatek numbers, as they relate to Dean Lampe's RCR40, I started this thread some time ago.
Dynatek & Dean Lampe's RCR 40 in Kit Car Mag...again
I'm willing to bet that Dean had both his Weber and Dynatek setup operating at or near peak efficiency. The winner was Dynatek. The only negative is cost from what I can see.