So when Nissan purchased a Porsche 959 in the late 1980s to help develop the all-wheel drive system for the legendary ... It wasn't—Porsche actually tried to block Nissan from buying one.

The Porsche 959 was arguably the finest supercar ... including an innovative all-wheel-drive system, a twin-shock suspension offering adjustable ride height and damping, four-channel ABS and ...

Porsche used a similar drive system to the one found in the 959, with two electronically-controlled clutch packs either side of a planetary gear set as a centre differential. The clutches then ...