If they just took a Duratec 37 and added 2 more cylinders you would get 4.93 liters. Hummm... Of course the Duratec 35/37 is a 60 degree engine, and the one in the pic is obviously 90 degrees, but you get the idea I hope. Remember, the old 302 (our beloved 5.0) is really not a 5.0 but a 4.9...