Gotta luv google
I found this
Only ever produced in the Toyota Century
"The 2nd Gen has the 5.0L 1GZ-FE V12, DOHC, 4V/cyl with VVT, and as per that Japanese limit, only makes ~280hp. Torque is 355lb-ft."
So that 206kw
I'm guessing just the 4.0 V8 there's plenty of potential