1970 Plymouth Hemi Cuda vs 1974 Pontiac Trans Am SD455?

if your talking racing then it depends on much more than the information you just gave. stock for stock i would put my money on the Trans Am. now i know all of those mopar lovers will disagree but the hemi wasnt and isnt god. LS9 would destroy any hemi. anyway the 455 is much bigger and could beat the 426. if talking about which is worth more than i would say the cuda due to its a bit older.