ghinzani piercarlo 1 formula tgc4 1987 ligier megatron rain 1988 budapest france hungary technical 1981 1984 1986 a3 a5 a6 above alfa austria belgium carlo cars dijon engine francorchamps hans heyer hi italy lancia le mans martini monaco monte monza osella patrese pits portrait prenois prototype res riccardo romeo spa sports zakspeed zeltweg