1991 Jean Alesi | Monaco

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1991 Jean Alesi | Monaco

Ferrari F91

1/43 Elite Models - Jean Alesi Ferrari Collection

The 641 was followed by the 642 in terms of chassis design numbers, but its official name was the F1-91. This was a development rather than a brand-new car as its general layout was the same, with a host of modifications, including a longer wheel base and longer flanks with straight central sections. The engine still had five valves per cylinder as pneumatic springs had not yet been developed and the intake trumpet adjustment system was only introduced at the end of the season.