Nissan Micra K10 Turbo group A (1987)
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Home » Rally Cars » Nissan Micra K10 Turbo
P2hhgfd.jpg Source Development chain
1984: Nissan Micra K10
1987: Nissan Micra K10 Turbo
1989: Nissan Micra EK10 Super Turbo
1992: Nissan Micra K11
Development level
Group A
Production

Also called Nissan March K10 Turbo

Specifications

Group/Class A/6, A/7 (1988+) Homologation number: A 5329
Years active 1987-1988 Homologation start: 1/4/1987
Engine
Type MA10ET, straight 4cyl, 4 stroke, petrol engine located front transverse
Capacity 988 cc WRC: x 1.4 = 1383cc
x 1.7 = 1680 cc
Bore x Stroke (mm) 68.0 x 68.0
Compression ratio 8.0:1
Output power - torgue 110 / 6400 rpm
Main bearings 5 of 49mm diameter connecting rod distance between centers 114.5mm, big end bearing diameter 43mm
Materials block: aluminium alloy, 177mm height cylinderhead: aluminium alloy
Cams/valves 1 overhead camshaft (SOHC), belt driven 2 valves/cyl. - 8 valves total. 35mm inlet valve diameter, 30mm exhaust valve diameter. 13.5o angle between inlet valve axis and vertical, 13.5o angle between exhaust valve axis and vertical. 1 coil spring per valve
Aspiration Hitachi HT-07B turbocharger (heat resisting steel alloy turbine 43mm diameter, aluminium compressor 42mm diameter), bosch L-jetronic fuel injection pressure: 1 bar
Ignition electronic, firing order 1-3-4-2
Cooling system watercooled 4 lt
Lubrication system wet sump 3.3 lt
Transmission
Type front wheel drive 5 speed or 6 speed (X-trac) manual gearbox
Gearbox ratios 1st: 3.063/1 (49/16)
2nd: 1.826/1 (42/23)
3rd: 1.207/1 (35/29)
4th: 0.902/1 (37/41)
5th: 0.733/1 (33/45)
R: 3.417/1 (30/12 x 41/30)
1st: 3.063/1 (49/16)
2nd: 1.826/1 (42/23)
3rd: 1.286/1 (36/28)
4th: 0.975/1 (39/40)
5th: 0.810/1 (34/42)
R: 3.417/1 (30/12 x 41/30)
1988+: 1st: 3.692/1 (48/13)
2nd: 2.813/1 (45/16)
3rd: 2.211/1 (42/19)
4th: 1.773/1 (39/22)
5th: 1.440/1 (36/25)
6th: 1.179/1 (33/28)
R: 3.000/1 (42/14)
Diffrential ratio 4.353/1 (74/17), 3.550/1 (71/20), 3.789/1 (72/19), 3.895/1 (74/19), 4.167/1 (75/18).
1988+: 3.273/1 (79/22), 3.650/1 (73/20), 3.733/1 (56/15), 3.800/1 (57/15), 3.867/1 (58/15), 3.933/1 (59/15), 4.000/1 (56/14), 4.050/1 (81/20), 4.056/1 (73/18), 4.071/1 (57/14), 4.143/1 (58/14), 4.214/1 (59/14), 4.471/1 (76/17), 5.333/1 (80/15)
helical gears limited slip front differential
Clutch dry, single disk 180mm diameter
Chassis-body
Type steel monocoque K10T with roll cage. 3 door hatchback steel bodyshell with polypropylene bumpers
Front suspension macpherson strut with lower L wishbone, coil springs, telescopic gas shock absorber and anti-roll bar
Rear suspension rigid axle with 1 semi-trailing and 1 longitudinal (2 + 2 total) links, coil springs, telescopic gas shock absorber and anti-roll bar
Steering system rack and pinion 2.25 turns lock to lock
Brakes front ventilated disks with 214/240mm disk diameter and 1 cast iron piston calipers, or 254/257/267/275/280/285/290/295/304mm disk diameter with 2/4 aluminium piston calipers. Rear drums 180mm diameter, or solid disk 234mm disk diameter with 1 cast iron piston calipers, or ventilated disks with 254/257/267/275/280/285/290/295/304mm disk diameter and 2/4 aluminium piston calipers dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 3.730 m (146.9 in) width: 1.570 m (61.8 in) height: 1.394 m (54.9 in)
wheelbase: 2.300 m (91.0 in) front track: rear track:
Rims - tires 6" x 12" - 14" 185/65-14"
Weight 850kg
Weight/power 7.7 kg/HP
Fuel tank 45 lt

Results in WRC

Statistics

1987 1988 1989 Total
Total WRC results
Races/wins (A/6 wins) 2 2/(2) 2/(1) 6/(3)
Entries/finishes 2/1 2/2 2/1 7/4 (57.1%)

Races

Works team: -

Season

A/6 classification is noted in brackets
Entry Rally event
Driver
Codriver
Team MC SVE
Entry list
POR KEN TdC GRE Oly (NZ) ARG FIN (CdI) SR RAC
J. Kojimoto
P. Tilbury
eng ine
Yoshihiro Nakamura
Haunobu Murase
16th (3rd)
Statistics
Starts/finishes 2/1 1/0 1/1

P1yyy.jpg Source

Drawings

nissan_micra_k10_5_door_1990-44724.jpg Source
5 door version

Engine

eng1.jpg
eng2.jpg

Suspension

38060.jpg Source
Front suspension
38059.jpg Source
Rear suspension
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