I'm expecting the Braswell base on the right will lower the plate enough to use w/ this head & intake combo that pushes the carb mounting surface up even more than before. Since I have only 4150 carbs, I've probably got more options for air cleaner configurations.

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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)