For Mopar fans, here is the answer. For only $36,000.00 you could have this motor in your boat.
I read recently that Ilmor installed two of these V-10's into a 32 ft. Skater w/Merc #6 drives and it ran about 120mph. Ilmor is located in Plymouth MI and partially owned by Daimler Chrysler. But the motors are available to the public now.
Engine configuration: 90 degree V10
Capacity: 505 ci (8,300cc)
Power: 550 HP (410 Kw) @ 5,500 RPM
Torque: 600 ft lb (814 Nm) @ 4,500 RPM, also featuring over 500 ft lb's (678 Nm) at all RPM over 2,500.
Full Throttle RPM Range: 5,300-5,700 RPM
Bore & Stroke: 4.030in (102.4 mm) / 3.960in (100.6 mm)
Compression Ratio: 9.6 to 1
Fuel Requirement: 92 posted octane premium gasoline
Cylinder Block & Cylinder Heads: Precision cast aluminum for light weight.
Crankshaft: Fully balanced forged 4340 steel precision machined.
Connecting Rods: Fully balanced steel precision machined.
Valve Gear: 2 Valves per cylinder push rod operated.
Camshaft: Hydraulic roller type camshaft for quieter operation and reduced maintenance caused by wear.
Weight: 800 lbs (363 Kg) dry, complete with CMI stainless steel headers and cooling system.
Water Cooling System: Thermostatically controlled closed-cooling system using Sen-Dure water / water intercooler.
Oil Cooling System: Thermostatically controlled closed-cooling system using Sen-Dure oil / water intercooler.
Fuel Injection: Multi Point Electronic fuel injection controlled by JTEC Engine Control Module for great engine running quality and performance.
Ignition System: JTEC Engine Control Module firing individual ignition coils per cylinder for greater spark energy with electronically controlled spark advance.
Alternator Amps: 160A (2.2 Kw)
Idle Control: Closed loop idle air control for rock steady 750 RPM idle and ease of handling in the marina.
Warranty: 1 year conditional warranty for recreational boating.