SBM Dual Plane Intake vs Single Plane Intake Dyno Results on a Rowdy 408" Stroker

That motor looks like it was built to showcase the super Victor, and still the airgap kicked its butt. So, unless you plan on spinning it to 7500-8000......?
The advantage might not be so large, on a milder motor, but a milder motor CRIES for a two plane.