It's easy to see how much ET is tied to the 60 ft when you compare the above with my Challenger's best pass (from 2008) that ran similar MPH. My 60 was a 1.45x, a full tenth slower than Duell's C/SA car:
60' - 1.454
330 - 4.254
660' - 6.653 at 102.03
1000' - 8.745
1320' - 10.523 at 126.44


2021 Challenger 6.4L Scat Pack 1320
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
weight reduction, wheels, tires, Hellcat air box: 1.661, 11.686 at 115.97 (DA 710 ft)

1973 Challenger 452 ci street/strip [2008]
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)