 The chassis was manufactured from aluminium using Alcan 's bonded aluminium structure vehicle technology ( <unk> ) , and had a wheelbase of <unk> mm . The design for the chassis featured rear wheel steering and packaged the fuel tank behind the centre bulkhead . Suspension design largely focused on road use , but a good compromise for racing use was achieved and the suspension height was adjustable . The concept car was fitted with a four @-@ channel anti @-@ lock braking system . 
