I just bought a 1985 Four Winns Santara with a 190 hp 3.7 liter (224 Cu. In) merc outdrive. I was impressed with the power of the motor in a 3000 lb boat. I was told that this is the "Iron Duke" motor, but have seen a number of posts that say that the 3.0 liter is the "Iron Duke".
Does any...
