I know of a 1983 Imperial, with a 318 was EFI now Thermoquad, that runs a legal N.H.R.A. class. Car has to weigh a certain am't in order to be class legal. It does, & is a legal stocker! It was gold, now black. 5:18 gears, 8-3/4 rear, & runs in the high 13's (Yes...that is correct!!!), 904...