I've had pretty good luck with the cast Edelbrock elbows with a 105mm throttle body. They are priced very reasonably. They make several versions. IF you can fit the big one, your engine will like the extra plenum area.

Cruiser: 66 Dodge Coronet 500, Indy SR 440, Gen 7 Accel EFI = 11.38 @ 116.
Racing: Brand X, X275 Procharged Smallblock on M1, Leafsprings, Holley EFI = 4.30 @ 168