HELLO. MY 73 DUSTER IS EQUIPPED WITH A 318 WITH 80,000 MILES, A COMP 260 CAM,COMP LIFTERS, DOUBLE ROLLER TIMING CHAIN, EDELBROCK PERFORMER INTAKE, EDELBROCK 600 CARB, AND MAGNAFLOW 2.5" DUAL EXHAUST. THE CAR HAS A/C. THE 904 WAS REBUILT WITH A MILD TRANSGO SHIFT KIT. I ESTIMATE MAYBE 240 HORSE...