Subaru and Chiti agreed to build a new V12 engine for the summer of 1990 together with a completely new chassis, but in the meantime the flat engine was to be used by the "Coloni Subaru" Team in a carry-over chassis.
Subaru e Chiti acordaron construír un novo motor V12 para o verán de 1990, xunto cun chasis completamente novo, pero mentres tanto o motor plano foi utilizado polo equipo "Coloni Subaru" nun chasis de transición.