A highly illustrated step by step process to the selection, modification, inspection, assembly, and operation of Volkswagen engines for use in light aircraft with plenty of practical "hints & tips" from a company that has been in the business of flying VW aero engines for over 30 years. Among the many items covered are needed tools, the engine case, cylinders, crankshafts, bearing, cam shafts and valve trains, oil filtration, pistons and rods, flywheels, carburetion, magnetos and timing, the prop hub, torque specs, octane requirements, maintenance schedules, operational limitations, and more.