Years ago I ran that and my ported Mopar M1. They basically ran the same at the track - 11's. But the Holley was a lot shorter. Today that intake is on my daughter's street/strip high 13 second car.

67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......