Just wanted to add something thats not really important unless you get a hold of one. The Y-block came out in 1954 at 239 ,not much of an engine I'v heard, then in 55 went to 272 ect. The small block started out in the 62 fairlane at 221, then on to 260,289,302 ect. I have a one owner 56 fairlane with the original 292 that I had rebuilt a few years back and all that was changed was the intake to a 62 2/bl , so I could use a better carb. They are a good engine and will more than keep up on the freeway. Mine has the overdrive which helps a lot.