MASERATI CLUB OF QUEENSLAND INC

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Biturbo 425

 
 

 
 

 

 

 
 

Two years following the release of the Biturbo on 14 December 1983, the Biturbo 425 was released.  A four-door sedan, with the 2500 cc V6 twin turbo engine that powered the Biturbo and Biturbo S sold in foreign markets, the car had a wheelbase 86 mm longer than that of its two door predecessor from which it was derived.
   

Specifications:
 

Production Period:

 1984 - 1989
 

Designed By:

 Maserati
 

Body Built By:

 -
 

Number Built:

 2372
 

Dry Weight:

 1180 kg
 

Top Speed:

 215 kph
 

Engine Type:

 Front, six cylinders in 90º "V"
 

Bore and Stroke:

 91.6 x 63 mm
 

Displacement:

 2490.9 cc
 

Compression:

 7.8:1
 

Engine Output:

 200 bhp @ 5500 rpm
 

Valves & Actuation:

 3 OHV per cylinder with single overhead camshaft per bank
 

Carburettion:

 Supercharged engine with 2 IHI turbo-compressors and 1 two barrel Weber 42 DCNVH carburettor
 

Ignition:

 Single electronic
 

Lubrication:

 Forced with delivery pump
 

Drive:

 Rear wheel drive
 

Final Drive:

 3.31:1  (Sensitork from 1985)
 

Clutch:

 Dry single disc
 

Gearbox:

 5-speeds plus reverse - automatic available
 

Frame:

 Unit construction with body
 

Suspension - Front:

 Independent wheels, McPherson type, coil springs and telescopic shock absorbers
 

Suspension - Rear:

 Independent wheels, coil springs and telescopic shock absorbers
 

Brakes:

 Hydraulically operated power assisted four wheel discs
 

Wheelbase:

 2600 mm
 

Front & Rear Track:

 1442 mm front; 1450 mm rear
 

Wheels:

 Light alloy discs 7.50x14 front and rear
 

Tyres:

205/60VR x 14 front and rear