sentences:  The engine chief engineer was Nicola Materazzi.The Ferrari 126C was designed to replace the highly successful but obsolete 312T series in use since .The basic chassis was almost identical to the previous car but the smaller and narrower V6 engine with forced induction suited the ground effect aerodynamics now needed to be competitive (the previous car's wide flat-12 boxer engine obstructed the airflow necessary to generate efficient ground effect), and was a better package overall.