They could not access Goodyear tyres and Pirelli would not supply them as they had broken a contract with the Italian company in mid-1984 and gone with Michelin.
Non puideron obter un contrato de fornecemento con pneumáticos Goodyear e Pirelli non quería fornecelos xa que romperan o contrato coa empresa italiana a mediados de 1984 para marchar con Michelin.