292/508 question

I have ran that cam in a bunch of small blocks and I really like it.
My current car is a 72 Dart
360
KB 107 pistons
9.8 comp.
Stock J heads 1.88 valves
Edelbrock TM-5 intake
Holley 750 double pumper
727 rev valve body
Coan 10 inch 3500 Converter
8 3/4 3.91 gears
Super Stock Springs
Weight is 3480 with driver
Best ET 11.96@113
Runs 12.0s consistent
Ran best ET on 26x8 slicks
Now have 28x10.5 dropped MPH to 110/111
On Street tires from idle a 1/4 throttle will blow the tires off through 3 gears