[Bob In Ct]

The bore and stroke of the 5 liter is 4X3. It comes out to 302 cubic inches.

The bore and stroke of a Windsor engine is 4X3.5 (which is the same as the 60s FE). It comes out to 352 cubic inches. I presume Ford chose to call it a 351 to avoid confusion with the old 352 FE engine.

The bore and stroke of the 427 calculates out to 425 cubic inches. I've always wondered why Ford chose to call it a 427.

Bob