these look liek and interestign engine
there was one of these car for sale on yahoo ages ago they were auto and 4wd and 4 door. 250 shouldnt be hard with a few tweaks ie cams etc
Water cooling serial 6 cylinders * DOHC Cylinder
Inside diameter x distance mm 86.0×73.7 Entire aerodynamic volume displacement cc 2568 Compression ratio 8.5 The highest output
PS/rpm 220/6800 Largest torque
Kgm/rpm 25/5200