That's encouraging, at least as a starting point.

I bought a cheap(?) Harbor Freight bore scope for checking port alignment between intake and heads when installing 'em cuz you can't really see the full interface without sticking a scope way down the intake runner. scope


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)