OK you may not see the hi spinning mega HP numbers, but man you can make some serious torque with the 413, they put them in a lot of Pace Arrow Mototr homes in the 70s.
Ramcharger 413 Cross Ram!!! Musclepalooza 2008 Tour...
YouTube - Ramcharger 413 Cross Ram!!! Musclepalooza 2008 Tour...
here is a 426 max wedge next up from your 413.
Lot S93 1963 Plymouth Max Wedge
YouTube - Lot S93 1963 Plymouth Max Wedge
Wheelstanding 1964 Plymouth Max Wedge Super Stock
YouTube - Wheelstanding 1964 Plymouth Max Wedge Super Stock