HI to all ,here is my 72 challenger JS23H2B2 that I cloned the outside to a 70 look,,not quite done yet, but getting to drive her anyways,,I am the second owner and have owned since about 85,,mileage is 95910 and is acurate,,has a 340 with steel crank ,.030 pistons with a set of x-heads and mild cam and a six pack with progressive linkage backed by a833 4 spd and 3.23 geared rearend with postive track. also has tti ceramic coated headers with a 3" stainless steel magnaflow x-pipe exhaust system and coated underneath with por-15 restoration paint ,completely rebuilt frontend and new brake and gas lines,also used the larger gas line for the six pack,gets about 11 miles to the gallon,,has new bumpers installed and a very nice 70 grille,new exterior mirrors and a new interior includeing dash ,seats, headliner,and carpet has an old vintage cassett pioneer super tuner 3 componet stereo system,also instlled a rimblow steering wheel ,,bought the car for $300 in 85,,have about $17,000 invested,,did all work myself