Motorcycle-engined monster

Here are motor Monster energy ... and also of course:
Spoiler for 7 Cylinders:
using Radial engine with power of 110hp (82kw)
Spoiler for 9 Cylinders:
Feuling W3 spout with 9-cylinder 2400cc 150hp
Boss Hoss 8300cc V8 engine
Dodge Tomahawk assembled from sportcar engine-powered Dodge Viper 500HP, with estimated maximum speed of 675 KMH (420mph) ...
Dolmette assembled from 24 wood cutting machine total capacity of 1900cc 170hp
Simon Whitlock this artificial motor assembled from 6 seed 8 cylinder engine with 4200cc and total weight of more than 1 ton