1969

Twin exhaust outlets fitted to the Plus 8.

1970

The Plus 8 gains US type approval.

1971

All 4/4 cars are fitted with the Ford 1600GT engine previously fitted in the 'competition model'.

1972

The Plus 8 is fitted with the Rover 4-speed all-synchromesh gear box.

1975

A Plus 8 Sports Lightweight is offered in addition to the standard model. Only 19 were built.

1976

The Plus 8 gets the Rover SDI engine and the 5 speed Rover gear box. The car width was increased to 62inch to take the 6inch by 14inch wheels. The engine produced 155 bhp at 5,250 revs. The price in 1977 was (basic) £5,095 plus for the 'lucky' ones in the UK £424.58 special car tax and £441.57 VAT.

1981

4/4 Twin Cam launched as an alternative model fitted with Fiat's twin-cam 1600 engine.