Things can get messy when your chopper dream collides head-on with chopper reality. It's easy to fall in love with a chopper's bad-ass style and muscular charm, until you twist the throttle and careen ...

Pushrods convert the vertical motion of the lifter from the camshaft lobe into valve movement. A V8 engine takes advantage of that by centrally locating a single camshaft in the middle of the engine ...