'53 Roadmaster and Skylark only; 322 ci '54-'55 Special; 264. '54-'55 Century/Super/Roadmaster; 322 '56 All: 322. -Brad
I read years ago the first year V8 Buick was not a good motor to start with. The 54 had several changes. Fords first year overhead V8 was the same. Several parts are different from one year later on both makes.