Unported head quickness?

69 Barracuda Fastback - full street trim (tools in back...)
408 with stock W2 heads,no porting and standard valves
Comp 248 solid flat tappet, 10.5:1 comp, TTI step headers.
727 / 3000rpm converter
3.9:1 gears
Stock suspension

11.7 at 115.5mph