Nissan Sunny RNN14 GTi-R group A (1991)
 Source |
Development chain 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: A5427 | |
| 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: cross flow aluminium alloy with hemispherical combustion chambers, 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 | jacketed watercooled with pump, radiator, fan and thermostat | 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 | 1/1 | 3/1 | 5/1 | 3/2 | 2/1 | 3/0 | 8/3 | 5/0 | 3/0 | 2/1 | 35/10 (28.6%) | ||
| Total WRC results | |||||||||||||
| Races/wins | 5 | 5 | 3 | 2 | 2 | 2 | 3 | 6 | 4 | 2 | 1 | 35 | |
| Entries/finishes | 10/6 | 9/5 | 3/1 | 5/1 | 3/2 | 2/1 | 3/0 | 8/3 | 5/0 | 3/0 | 2/1 | 53/20 (37.7%) | |
| 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 | ||||||||||
| Chris Barns Brett Harvey |
13th | ||||||||||||||
| Group N4 | |||||||||||||||
| Hiroshi Nishiyama Hiroki Sugiura |
17th (3rd) | excl uded | gear box | ||||||||||||
| Juichi Kojimoto Toyokuzu Misda |
20th (4th) | ||||||||||||||
| Stratissino Tonia Pavli |
N.I. Theoc harakis | 11th (1st) | |||||||||||||
| Yoshio Fujimoto Hakaru Ichino |
acci dent | acci dent | |||||||||||||
| Olli Paavilainen Tapio Krivetz |
24th (7th) | ||||||||||||||
| Tapani Hulkkonen Petri Vihavainen |
dnf | ||||||||||||||
| Koichi Furuta Toshiya Ito |
dnf | ||||||||||||||
| John Bosch Kevin Gormley |
27th (7th) | ||||||||||||||
| Total points () |
16 | 10 | 2 | 4 | |||||||||||
| Statistics | |||||||||||||||
| Works starts/finishes | 9/5 | 3/2 | 2/1 | 2/2 | 2/0 | ||||||||||
| Others starts/finishes | 1/1 | 1/1 | |||||||||||||
*Group N4 entries
Articles for group A
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Articles for group N and production
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Drawings
Source
Garrett TB2804
SourceInducer 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
Source
page revision: 147, last edited: 29 Oct 2019 20:10