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Ferrari 308 GTS Quattrovalvole - 1982

Overview

1982

308 GTS Quattrovalvole

As with the preceding 308 GTB and 308 GTBi models there was a targa roof version available, which was called the 308 GTS quattrovalvole. This version is easily identifiable by the removable black roof section and the satin black triangular shaped louvres covering the glass in the sail panels.

Focus on

Both QV models can also be identified by a revised radiator grille and bumper, an air outlet louvre in the front lid and new door mirrors featuring a small enamel shield on the casing. The 308 GTS Quattrovalvole, with a removable targa roof, succeeded the 308 GTSi, and was presented at the 1982 Paris Salon concurrently with the 308 GTB Quattrovalvole model. The Quattrovalvole part of the model name referred to the four valves per cylinder heads on the engine, which provided increased power over the preceding model.

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Ferrari 308 GTS Quattrovalvole - 1982
Ferrari 308 GTS Quattrovalvole - 1982

The design

Visually the new model was very similar to the outgoing one, but could be recognised by the addition of a slim louvre panel in the front lid to aid radiator exhaust air exit, paired electrically operated door mirrors with a small enamel Ferrari badge on the shell, a revised radiator grille with rectangular driving lights at the extremities, and rectangular (instead of round) side repeater lights.

The interior also received some minor alterations, and cloth seat centres became available as an option to the standard full leather, whilst the leather rim satin black three spoke steering wheel featured a triangulated section around the horn push.

The removable grained satin black finished roof panel was stowed in a vinyl cover behind the seats when not in use. As with the preceding series’ of 308 models, USA market cars could be identified by heavier bumper assemblies, and rectangular side marker lights on the wings.

Options available were metallic paint, a deep front spoiler, air conditioning, wider wheels, 16″ Speedline wheels with Pirelli P7 tyres, and a rear of roof satin black finished aerofoil (standard on Japanese market models).

The Engine

The V8 engine was essentially of the same design as that used in the 308 GTSi model, apart from the four valves per cylinder heads. It was of a 90 degree configuration, with belt driven twin overhead camshafts per bank, having a total capacity of 2926cc, with a bore and stroke of 81mm x 71mm, with wet sump lubrication, bearing factory type reference F 105 AB 000 for European market cars. The claimed power output for main market European cars was 240bhp at 7000rpm, and 235bhp at 6800rpm for US market variants. The engine was transversely mounted in unit with the all synchromesh five speed transmission assembly, which was below, and to the rear of the engine’s sump.

The gear and final drive ratios were altered to suit the revised characteristics of the four valves per cylinder engine. It was fitted with a Bosch K Jetronic fuel injection system, coupled to a Marelli MED 803A Digiplex electronic ignition system, incorporating a coil, distributor and ignition module to serve each bank of cylinders. All US market examples were fitted with catalytic convertors.

Ferrari 308 GTS Quattrovalvole - 1982
Ferrari 308 GTS Quattrovalvole - 1982

The Chassis

The main European market 308 GTS Quattrovalvole models had a tubular chassis with factory type reference F 105 GS 100, Disc brakes, with independent suspension via wishbones, coil springs, and hydraulic shock absorbers, were provided all round, with front and rear anti roll bars. All models were numbered in the Ferrari odd number road car chassis sequence of the time, with right and left hand drive available.

The model was produced in a total of 3042 examples, over four times as many as the concurrent fixed roof berlinetta, between 1982 and 1985 in the chassis number range 41701 to 59265.

Careful selection of the best shots of the 308 GTS Quattrovalvole in high definition. The photo gallery shows the distinctive features of this model Ferrari in 1982, focusing on the details and the most important parts.

Specifications

V8  Engine

Type rear, transverse, 90° V8
Bore/stroke 81 x 71 mm
Unitary displacement 365.86 cc
Total displacement 2926.90 cc
Compression ratio 9.2 : 1
Maximum power 176 kW (240 hp) at 7000 rpm
Power per litre 82 hp/l
Maximum torque 260 Nm (26.5 kgm) at 5000 rpm
Valve actuation twin overhead camshafts per bank, four valves per cylinder
Fuel feed Bosch K-Jetronic injection
Ignition electronic, single spark plug per cylinder
Lubrication wet sump
Clutch single-plate
Frame tubular steel
Front suspension independent, unequal-length wishbones, coil springs over telescopic shock absorbers, anti-roll bar
Rear suspension independent, unequal-length wishbones, coil springs over telescopic shock absorbers, anti-roll bar
Brakes discs
Transmission 5-speed + reverse
Steering rack-and-pinion
Fuel tank capacity 74 litres
Front tyres 205/55 VR 16
Rear tyres 225/50 VR 16
Type two-seater targa-top
Length 4230 mm
Width 1720 mm
Height 1120 mm
Wheelbase 2340 mm
Front track 1460 mm
Rear track 1460 mm
Weight 1286 kg (dry)
Top speed 255 km/h
Acceleration 0-100 km/h -
0-400 m 14.5 sec
0-1000 m 26.2 sec