351/400M Big Block Or Small block

[DeTowman]

Actually Ford has never designated engines as small or big blocks like the General and Mopar. They have always been either Y's, FE's, 335's, 385's, or Windsors.

As for the 351M/400, they are a hodge podge of both as previously noted. They have a 4" bore similar to the Windors, but have

So I guess you can call them small big blocks, or big small blockscratchhe:.

Thanks Arron, that's what I needed......I was on FSB & made the statement that the 400 was a big block they ripped me a new A-HOLE......but in realailty we both were wrong.....