Gridpedia banned Aerodynamics
Tall airboxes banned from the Spanish Grand Prix
Overall height was limited to 90 cm above the ground, ending the tall engine air intakes; rear wing overhang cut to 80 cm. Source
1976 rule changes
2 changes recorded for 1976. 1976 standings · results · ← 1975 · 1977 →
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introduced Chassis and safety
Six-wheeled cars allowed
Tyrrell's P34 with four small front wheels raced from the Spanish Grand Prix; six-wheelers were later banned for 1983. Source