70 318?

The "main" reason behind the higher priced 340 is it was in cars that had special value, like the 340 Swinger, 340 Valiant, AAR Cuda, cars like that, the run of the mills had 318s & slanters, plus the 340 had a limited production, did they run strong, yes they did, but only the earlier years (pre-72), 73 340s were dogs IMO, the 73 360 Dart Sport was a stronger runner then the 73 340 Duster, they killed it by 73, I had a 70 340 Valiant 4sp. car, it was an original, it did good.