It was loosely based on the 308
but with many significant changes. The engine had a reduced capacity of
2855cc to meet the maximum capacity of 4-litres (with an equivalence factor
of 1.4) with its twin IHI turbochargers and intercoolers. Also fitted with
electronic fuel injection it generated an impressive 400bhp. The positioning
of this unit was also different to the 308, since it was mounted longitudinally,
the chassis being stretched by 110mm to accomodate it (the rear luggage
space was also sacrificed to further this aim!). The chassis also featured
increased tracks front and rear and a variety of other changes to decrease
weight and improve stiffness.
The body was basically that of a 308 with
numerous extra vents and ducts, and made from a variety of light materials
(nomex, kevlar, aluminium, fibreglass) to keep the weight down to a minimum.
Other distinguishing features are the additional driving lights in the
front grille, the unique wing mirrors and the slatted vents behind the
rear wheels.
Designed
as a homologation special for the new Group B regulations, 200 units were
required to be produced. In the end 272 examples were built during 1984
and 1985, but the formula never came to fruit and so the 288 GTO remained
an, albeit exotic, road car.
Technical Details
| Engine | 2855cc (80x71mm) twin turbo 32V V8 dohc (per bank) with 400bhp @ 7,000rpm
boost pressure : 0.8bar, compression ratio : 7.6:1 |
| Suspension | front : double wishbones with coil springs plus anti-roll bar
rear : double wishbones with coil springs plus anti-roll bar wheelbase : 2450mm track (front/rear) : 1559mm/1562mm |
| Brakes | ventilated discs all round with servo assistance |
| Transmission | 5 speed manual plus ZF self-locking diff |
| Steering | rack and pinion |
| Empty weight | 1,160kg |
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