[MrLevinstein]

Toyota Tundra v8
Horsepower 240-hp @ 4,800 rpm
Torque 315 lbs.-ft. @ 3,400 rpm
# of valves 32
Fuel economy city 15 mpg
Fuel economy highway 18 mpg
Fuel tank capacity 26 gal.

Nissan Titan
Horsepower 305-hp @ 4,900 rpm
Torque 379 lbs.-ft. @ 3,600 rpm
# of valves 32
Fuel economy city 14 mpg
Fuel economy highway 18 mpg
Fuel tank capacity 28 gal.

And since those are the Japanese top engine choices now lets see chevy

Engine liters 8.1
Cylinder configuration V-8
Horsepower 330-hp @ 4,200 rpm
Torque 450 lbs.-ft. @ 3,200 rpm
# of valves 16
Sequential MPI
Fuel type unleaded
Ignition type electronic
Engine orientation longitudinal

Engine liters 6.0
Cylinder configuration V-8
Horsepower 345-hp @ 5,200 rpm
Torque 380 lbs.-ft. @ 4,000 rpm
# of valves 16
Fuel economy city 13 mpg
Fuel economy highway 17 mpg
Fuel tank capacity 26 gal.

You're right short, Japanese V8s would kill american v8's with their design.