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Biturbo 430 / 430 4V

 

 

 

 

 

 

 

   
 

Apart from the very substantial cosmetic changes made to the car relative to the 420i, the 430 carried significant improvements in the chassis. There was a new front end with 'active mechanical' steering system including a new stabiliser bar, the adoption of self vented discs and floating front calipers and the new Ranger differential which was a further refinement of the Sensitork system.  It was offered with an optional sunroof and automatic transmission. From 1991, a new variant - the 430 4V - was introduced, which featured 4 valves per cylinder and a range of other changes including rear suspension. However, the 3 valve version was kept in production.

   

Specifications:

 

Production Period:

1987 - 1994
 

Designed By:

Maserati
 

Body Built By:

-
 

Number Built:

1286
 

Dry Weight:

1180 kg - 430
1370 kg - 430 4V
 

Top Speed:

240 kph
 

Engine Type:

Front, six cylinders in 90º "V"
 

Bore and Stroke:

96 x 87 mm
 

Displacement:

2789.79 cc
 

Compression:

7.7:1 - 430
7.4:1 - 430 4V
 

Engine Output:

250 bhp @ 5600 rpm - 430
225 bhp @ 5500 rpm - 430 4V
 

Valves & Actuation:

3 OHV per cylinder with single overhead camshaft per bank
430 4v - 4 OHV per cylinder with single overhead camshaft per bank
 

Carburettion:

Supercharged engine with 2 water cooled IHI turbo-compressors, 2 intercoolers and Weber multi-point electronic injection
 

Ignition:

Single electronic
 

Lubrication:

Forced by delivery pump
 

Drive:

Rear wheel drive
 

Final Drive:

3.31:1 Ranger - 430
3.36:1 Ranger - 430 4V
 

Clutch:

Dry single disc
 

Gearbox:

ZF 5-speed plus reverse - automatic available
430 4V - Getrag 5-speed plus reverse
 

Frame:

Unit construction with body
 

Suspension - Front:

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

Suspension - Rear:

Independent, coil springs, double action, telescopic shock absorbers
430 4V - adjustable trailing arms  with welded tubular structure, coil springs, double-action telescopic shock absorbers
 

Brakes:

Hydraulically operated power assisted four wheel discs - floating front calipers and self venting discs all round with the 430 4V
 

Wheelbase:

2600 mm
 

Front & Rear Track:

1442 mm front; 1450 mm rear - 430
1458 mm front; 1460 mm rear - 430 4V
 

Wheels:

Light alloy discs  6.5J x 15
Light alloy discs  7J x 16
 

Tyres:

205/55VRx15 front and rear - 430
205/50ZRx16 front and rear - 430 4V