Nissan Sunny RNN14 GTi-R group A (1991)
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Home » Rally Cars » Nissan Sunny RNN14 GTi-R
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1991: Nissan Sunny RNN14 GTi-R
1993: Nissan Sunny N14 GTi
Development level
Group A
Group N
Production

Also called Nissan Pulsar RNN14 GTi-R

In Safari rally '91: see video

Specifications

See service manual
Group/Class A/8 Homologation number: A 5427
Years active 1991-1992 Homologation start: 1/3/1991
Homologation end: 31/12/2001
Engine
Type SR20DET code 54C, straight 4cyl, 4 stroke located front transverse
Capacity 1998.2 cc WRC: x 1.7 = 3397 cc
Bore x Stroke (mm) 86.0 x 86.0
Compression ratio 8.2:1
Output power - torgue 300 HP / 6400 rpm 35.7 kgm (350 Nm) / 4800 rpm
Main bearings 5 of 58.7mm diameter connecting rod length between centers 136.3mm, big end bearing diameter 51mm
Materials block: aluminium alloy, 281.3mm height from crankshaft center cylinderhead: aluminium alloy, 137mm height
Cams/valves 2 overhead camshafts (DOHC), chain driven. Operation with rocker arms 4 valves/cyl. - 16 valves total. 34.2mm inlet valves diameter, 30.2mm exhaust valves diameter. 14.5o angle between inlet valve axis and vertical, 14.5o angle between exhaust valve axis and vertical. 2 coil springs per valve
Aspiration garrett TB2804 (T3/T25 combination) turbocharger (heat resistance steel alloy turbine 53mm diameter, aluminium compressor 60mm diameter) with air/air intercooler and 40mm turbo restrictor, Bosch L-jetronic multipoint electronic fuel injection
1992-1994: 38mm turbo restrictor fitted.
1995+: 34mm turbo restrictor fitted.
pressure: 1.7 bar
Ignition electronic, platinum-tipped NGK PFR7B with a gap of 0.8-0.9mm spark plugs, firing order 1-3-4-2
Cooling system watercooled 6 lt capacity
Lubrication system wet sump with 1 oil cooler 4.5 lt capacity (with oil filter)
Transmission
Type four wheel drive 5 speed or 6 speed X-trac manual gearbox
Gearbox ratios 1st: 3.286/1 (46/14)
2nd: 1.850/1 (37/20)
3rd: 1.273/1 (42/33)
4th: 0.955/1 (42/44)
5th: 0.740/1 (37/50)
R: 3.266/1 (29/14 x 41/26)
1st: 3.500/1 (49/14)
2nd: 2.588/1 (44/17)
3rd: 1.941/1 (33/17)
4th: 1.556/1 (28/18)
5th: 1.300/1 (26/20)
6th: 1.083/1 (26/24)
R: 3.571/1 (50/14)
1992+: 1st: 3.429/1 (48/14)
2nd: 2.389/1 (43/18)
3rd: 1.778/1 (32/18)
4th: 1.556/1 (28/18)
5th: 1.368/1 (26/19)
6th: 1.174/1 (27/23)
R: 3.571/1 (50/14)
Diffrential ratio Center: 4.125/1 (66/16), 3.125/1 (50/16), 3.200/1 (48/15), 3.333/1 (50/15), 3.400/1 (51/15), 3.429/1 (48/14), 3.500/1 (49/14), 3.643/1 (51/14), 3.714/1 (52/14), 3.769/1 (49/13), 3.789/1 (72/19), 3.846/1 (50/13), 3.895/1 (74/19), 4.000/1 (52/13), 4.077/1 (53/13), 4.125/1 (66/16), 4.167/1 (75/18), 4.176/1 (71/17), 4.250/1 (51/12), 4.417/1 (53/12), 4.471/1 (76/17), 4.500/1 (54/12),
Transfer box: 0.270/1 (21/47 x 23/38).
Rear: 3.700/1 (37/10)
Advanced Total Traction Engineering System for All-terrain (ATTESA): helical gears active hydro/electronicaly controlled viscous coupling center differential with 16/10 planet to satelite gear ratio, with 2 outputs: first through hollow shaft to viscous coupling limited slip front differential, 2nd through homocentric hollow shaft to 2 stage transfer box, 1st transfer with 21/47 helical gears, 2nd transfer with 23/38 bevel gears. Hypoid spiral bevel gears rear differential with viscous coupler
Clutch dry single disk, 240mm diameter
Chassis-body
Type steel monocoque RNN14 chassis with roll-cage. Front and rear steel subframes. 3 door hatchback steel bodyshell with polypropylene bumpers and plastic rear top airofoil
Front suspension macpherson strut with lower L wishbone, coil springs, telescopic gas shock absorbers and anti-roll-bar 21-28mm diameter. 1992+: 12-30mm diameter
Rear suspension macpherson strut with 2 lower transverse and 1 longitudinal links, coil springs, telescopic gas shock absorbers and anti-roll bar 10-16mm diameter. 1992+: 10-32mm diameter
Steering system rack and pinion with hydraulic power assistance 2.6 turns lock to lock
Brakes front ventilated disks with 257mm disk diameter and 1 cast iron piston caliper, or 280mm disk diameter and 2 aluminium piston calipers, or 280/285/290/295/305/315/320/325/332mm disk diameter and 4 aluminium piston calipers. 1992+: 340mm disk diameter and 4/6 aluminium piston calipers.
Rear solid disks with 258mm disk diameter and 1 cast iron piston caliper, or ventilated disks with 280/285/290/295/300/305/315/320/325/332mm disk diameter and 4 aluminium piston calipers
dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 3.975 m (156.5 in) width: 1.695 m (66.7 in) height: 1.400 m (55.1 in)
wheelbase: 2.430 m (95.7 in) front track: 1.480 m (58.3 in) rear track: 1.480 m (58.3 in)
Rims - tires 6" x 14 - 15" or 7" - 8" x 16" 200/65-15" or 225/630-16"
Weight 1100kg
Weight/power 3.7 kg/HP
Fuel tank 40 - 120 lt
Drag coefficient 0.39

For fearther information click here


Results in WRC

Statistics

1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Total
Works
Races /wins 4 5 9
Entries/finishes 9/5 9/5 18/10 (55.5%)
Others
Races/wins +1 3 2 2 2 3 6 4 2 1 26
Entries/finishes 2/2 3/1 5/1 2/2 2/1 3/0 8/3 5/0 3/0 2/1 35/11 (31.4%)
Total WRC results
Races/wins 5 5 3 2 2 2 3 6 4 2 1 35
Entries/finishes 11/7 9/5 3/1 5/1 2/2 2/1 3/0 8/3 5/0 3/0 2/1 53/21 (39.6%)
Total points 16 22 38
(1.086 per race)
(0.717 per entry)

Races

Works team: Nissan Motorsports Europe

Season
Entry Rally event
Driver
Codriver
Team MC (SVE)
Entry list
POR KEN TdC GRE (NZ) ARG FIN AUS SR (CdI) (ESP) RAC
Stig Blomqvist
Benny Melander
works 5th diff eren tial 8th susp ens ion
Mike Kirkland
Surinder Thatthi
works 7th
David Llewellin
Peter Diekmann
works acci dent 9th 10th ele ctri cal
'Stratissino'
Tonia Pavli
N.I. Theoc harakis 11th
Chris Barns
Brett Harvey
13th
Total points
()
16 10 2 4
Statistics
Works starts/finishes 9/5 3/2 2/1 2/2 2/0
Others starts/finishes 2/2 1/1 1/1

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Information and articles

Article from Auto Express (Greece) 288, 7/1991

Click here

Article from Auto Express (Greece) 280, 11/1990

Click here

Article from 4T 238, 8/1990: Nissan ES

Click here

Article from 4T 235, 4/1990

Click here

Drawings

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Nissan_Sunny_GTI-R_1991.jpg Source

Engine

sr20cutaway.jpg Source

Garrett TB2804

img_CompressorWheel1.png Source
Inducer A = 47.19mm
Tip height B = 4.34mm
Exducer C= 60.1mm
Hub length D = 24.51mm
Bore E = 6mm
Trim/No. of blades = 62/6+6

4WD

at2.jpg Source
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