Complex sentence: The best Ferrari was a green 275 LM entered in the Sport category by David Piper the car was obsolete despite being seriously updated--most of its body was made of polyester/fiberglass instead of aluminium.
Split into simpler sentences: The best Ferrari was a green 275 LM entered in the Sport category by David Piper. This car was obsolete despite being seriously updated--most of its body was made of polyester/fiberglass instead of aluminium.