Unported head quickness?

Another data point for Eddy RPM heads. The car: 1968 Barracuda Fastback with full stock interior. Car weight with driver and 1/2 tank of fuel is 3450. Engine and vehicle build provided below.

• Eddy RPM heads with competition valve job. No port work done. 55 cc Combustion Chambers (heads milled 0.60) and 11.2 Static Compression. 8.75 Dynamic Compression
• Eddy RPM Air Gap Intake Manifold
• 825 Might Demon Carb
• Forged Scat I Beam Rods
• Forged Ross Dish Pistons
• Forged K1 Crankshaft
• Lunati Hydraulic Flat Tappet Cam 60405: Duration @ 0.50 on the Intake is 242 and Exhaust is 252
• TTI Step Headers
• TTI 3 in Exhaust with X Pipe and Dynomax Mufflers
• Kevko Oil Pan
• Frank Lupo 9.5 Converter 4200 rpm
• 727 Transmission with Manual Valve Body
• 8 3/4 Rear Axle with 3.91 gear
• XHD Leaf Springs, Mopar Rear Shocks
• 90-10 Front Shocks and Stock 340 Torsion Bars
• MSD 6AL Ignition, Timing Set @ 34 Degrees
• Carter 120 GPH Mechanical Fuel Pump with 1/2 Pickup and 1/2 Fuel Line from Stock Tank to Carb
• Mickey Thompson ET Street Drag Radials 15 255 60 Tires on 15 X 8.5 Centerline Wheels

I took this setup to the drag strip in September 2016. It was my first time to the drag strip with this combo. I ran three times. ET provided below. Times run with full exhaust and tire pressure set @ 19 psi. I also ran with a full tank of gas. Temperature was 75 degrees with 44 percent humidity and average baramoter reading. Fuel: 93 Octane Pump Gas.

11.53 @ 115.78 with 1.58 60 foot time
11.56 @ 116.02 with 1.58 60 foot time
11.54 @ 115.82 with 1.58 60 foot time