I run a similar setup right down to the Ultraflows and 3.54 rear gear. The only difference is mine is packaged in an RB block. I'm really pleased with it.
'63 Dodge 330 11.19 @ 121 mph Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs. 10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.