Torque build starts at lower RPM than you might think, and sooner than the Vortech on a SBC test.
Single Torqstorm on a 383 CID SBC:
Comparison: Testing a TorqStorm | Moore Good Ink
Double Torqstorm on a 427 CID SBF:
Our Ford Boss 427 Gets Twin TorqStorm Superchargers - Hot Rod Network
Rather than a blow-through Demon carb, why not a FItech blow-through EFI - more money, but way more tuneable:
Go EFI 8 1200 HP Power Adder – FiTech Fuel Injection