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Biturbo 422 / 4.18V

 
 

 
 

 

 
 

   
 

The 422 was the four door equivalent of the 222 and brought with it all the refinements and additions made to that vehicle. The mechanicals included the new generation V6 with two turbochargers and two air/air intercoolers, active mechanical suspension and the Ranger differential.  By transplanting the mechanicals of the 2.24v into the 422 shell, it would later become the 4.24v (4OHV) which was released in 1990.  The 422, which was 3OHV, however continued in production.  A special version of the 422 still with 3OHV but with ABS brakes was released in 1990 and designated the 4.18V.
   

Specifications:
 

Production Period:

 1988 - 1992
 

Designed By:

 Maserati
 

Body Built By:

 -
 

Number Built:

 978
 

Dry Weight:

 1180 kg
 

Top Speed:

 225 kph
 

Engine Type:

 Front, six cylinders in 90º "V"
 

Bore and Stroke:

 82 x 63 mm
 

Displacement:

 1996 cc
 

Compression:

 7.8:1
 

Engine Output:

 220 bhp @ 6250 rpm
 

Valves & Actuation:

 3 OHV with single overhead camshaft
 

Carburettion:

 Supercharged engine with 2 IHI turbo-compressors and Weber multi-point electronic injection
 

Ignition:

 Single electronic
 

Lubrication:

 Forced with delivery pump
 

Drive:

 Rear wheel drive
 

Final Drive:

 Ranger
 

Clutch:

 Dry single disc
 

Gearbox:

 ZF 5-speeds plus reverse
 

Frame:

 Unit construction with body
 

Suspension - Front:

 Independent wheels, McPherson type, anti-roll bar, coil springs, double-action telescopic shock absorbers
 

Suspension - Rear:

 Independent wheels, coil springs, double-action telescopic shock absorbers
 

Brakes:

 Hydraulically operated power assisted four wheel discs - self vented front discs
4.18v in 1990 with ABS brakes
 

Wheelbase:

 2600 mm
 

Front & Rear Track:

 1442 mm front; 1450 mm rear
 

Wheels:

 7Jx14 all round
 

Tyres:

205/55VRx14 all round