Wallace calc says 128 at 3750 = 566.8 hp. Maybe time to put the car on a diet, dial the suspension in, add 500 stall to the coverter and fit a bigger roller.
Mick

69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36