It's A56 for 340 & A57 for 383 and probable A58 for a 440
Nice cars guys!!! I'm having trouble loading pics to show mine but anyway... So if the barracudas got the hood scoops then that would designate if it's a cuda more or less or visa versa. OK heres a tuff question on what date did they start the Cuda badge in 69 April xx ? and did the 'Cuda replace the S emblem