Complex sentence: The early models were short-wheel-based but from 1969, Porsche extended the wheelbase for improved handling and the 911T was subsequently available in a 2.2 litre version and in other regions around the world.
Split into simpler sentences: The early models were short-wheel-based. From 1969, Porsche extended the wheelbase for improved handling and the 911T was subsequently available in 2.2litre version and in other regions around the world.