Found it...this internet thing is amazing...bound to take off one of these days
1971 DODGE CHALLENGER Convertible 340 V-8 TorqueFlite
The data for DODGE CHALLENGER Convertible 340 V-8 TorqueFlite, version for North America USA with 2-door convertible body type, RWD (rear-wheel drive) and aut 3-speed gearbox. Quick specs: engine displacement: 5563 cm3 / 339.4 cui; power: 175 205 kW / 235 275 hp / 238 279 PS / 5000 5000; torque: 421 461 Nm / 310 340 lb-ft / 3200 3200. Dimensions: length 4859 mm / 191.3 in, wheelbase 2794 mm / 110 in, standard tire size E78 x 14, official base curb weight 1530 kg / 3373 lbs. How fast is it? - Performance: top speed 206 km/h (128 mph) (theor.); accelerations 0- 60 mph 6.8 s (sim.); 0- 100 km/h 7.2 s (sim.); 0- 1/4 mile 15.1 s (sim.); Fuel consumption: official: , a-c pred. average combined: 26.1 l/100km / 12.6 mpg (imp.) / 10.5 mpg (U.S.) / 4.5 km/l .