do you by chance mean 331-354-392? i think that the smaller was a 331, but im not certain, and i cant get ahold of my dad (he was a chrysler tech in the early 60s to early 70s...can you believe that for advertising, they used to take a fast car off the showroom floor, slap a big dealership magnet on it, and send him to the dragstrip!!)

i have seen many built up 392s, but ive not seen either of the smaller models built up...