If they have the same displacement I think there is no difference at all.
Maybe the Sea King is rated at prop (they were not sold in Sweden where I live) and I know Chrysler rated at crank in those days.
If they have the same displacement I think there is no different at all.
Maybe the Sea King is rated at prop (they were not sold in Sweden where I live) and I know Chrysler rated at crank in those days.