Today, dollar for dollar, is the 318 faster than the 340 ???

You guys continue to crack me up trying to relate your ETs to horsepower output. That is wholly inaccurate! If you want to figure your FLYWHEEL horsepower as it ran, its simple, use the wallace calculator, input the TRAP speed in MPH, and your starting line weight. That will give you a much more accurate idea of your actual HP