GTA 1300 Junior

Officially presented in June 1968, derived from the GT 1300 Junior and taking the twin-barrel carburettor and twin-spark ignition of the GTA 1600. Aluminium panelling, Plexiglas side and rear windows, stripped-out interior. The production car is the Tipo 559 with two Weber 45 DCOE18 carburettors, 96 CV at 6,000 rpm; Stellantis (FCA) Heritage gives 447 cars built to 1975, 920 kg and 175 km/h but does not print the output itself. The Autodelta race versions went much further: 160 CV with carburettors, 165 CV at 8,400 rpm with mechanical Kugelfischer injection from 1971 and 180 CV at 9,300 rpm with the 1974 four-valve head, at 760 kg and 210 km/h (figures confirmed by Museo Alfa Romeo for the museum car: 1290 cc 78x67.5 mm, 165 CV at 8,400 rpm, 760 kg, 210 km/h).