440 power gains/ aluminum head advantages?

For reference:
68 Satellite, all steel, 3600lb race weight
4.10’s with 10.5 x 29.5 slicks
Old SS springs, 11” factory high stall from a lil red
Re-ringed 68 440 with Crower 271 HDP cam
Original Torker, 780vs carb
Napa store rebuilt 346 heads, upgraded springs, zero porting
1-3/4 x 3 headers, open exhaust

Best of 12.12@112, mid-1.70’s in the 60’(theoretically 7.70’s in the 1/8).
Shift at 5000, out that back at close to 5500

On the street with bias ply L60-15’s it would fry the tires effortlessly.