340, How much horsepower? 1/4 mile time?

Wow!,I just read through the above guesses on quarter mile times-I dont know if its the air aorund here or what but cars with alot less then his combo are running high 12s.My buddys old plymouth savoy at full weight with a 360,9.1,stock smog heads unported,same cam,torker/650 holley,1 5/8 headers and 4.10s ran 13.40s @ 103 with a 1.93 60 ft.