A V-quad engine has two juxtaposed V-twin cylinder banks connected to a common crankshaft and fuel and ignition systems that cause the front cylinders in the two banks to fire simultaneously and the rear cylinders in the two banks to fire simultaneously. A cylinder surface has a plurality of counterparts for cooperation with cutting elements of a cutting cylinder. 0 mm thick films of titanium, nickel, vanadium, andor steel and alloys thereof, interleaved with a like number of films of a second metal, normally 0.