The 350/290 is what I just got stuffed into my '56. Sure am happy with it! Found a Weiand 8004 intake manifold and an Edelbrock 1403 500cfm carb, it all works great together! The overdrive 700R4 is a dream behind it!!
She's one 55 year old with a spare tire that looks good! It's not rocket surgery. . . .