In august 1973 : 911 (150bhp)- 911S (175bhp) 911 carrera (210bhp) replace previous T. E. S. and RS models. new cars all have 2.7 lts engines and the new impact bumpers,side windows demist vents on dash.Start of models with significant emissions control divices for the american and certain other markets with even tighter specs for california.
1974
This saw the new whaletail spoiler for the us carreras
1975
All models get the hot dip galvanising over whole shell. sportomatic goes from four to three speed. Electric door mirrors introduced . The silver anniversary model was born
1976
Central face level vents in dash introduced.
1977
Dilavar cylinder head studs used. targa`s got black roll-over hoops'
Fuel : unleaded survey porsche bulletin dated 25/05 1999 by porsche cars GB ltd fuel grade required by all the 2.7 models was (95 RON )
1974
This saw the new whaletail spoiler for the us carreras
1975
All models get the hot dip galvanising over whole shell. sportomatic goes from four to three speed. Electric door mirrors introduced . The silver anniversary model was born
1976
Central face level vents in dash introduced.
1977
Dilavar cylinder head studs used. targa`s got black roll-over hoops'
Fuel : unleaded survey porsche bulletin dated 25/05 1999 by porsche cars GB ltd fuel grade required by all the 2.7 models was (95 RON )