Nissan Micra K10 Turbo group A (1987)

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Development chain 1987: Nissan Micra K10 Turbo 1989: Nissan Micra EK10 Super Turbo 1992: Nissan Micra K11

Also called Nissan March K10 Turbo

Specifications

Group/Class	A/6, A/7 (1988+)	Homologation number: A5329
Years active	1987-1988	Homologation start: 1/4/1987 Homologation end: 31/12/1995
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

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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: -

1987

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

1988

Season

A/7 classification noted in brackets

Entry		Rally event
Driver Codriver	Team	M.C Entry list	SVE Entry list	POR	KEN	TdC	GRE	Oly	(N.Z)	ARG	FIN	(CdI)	S.R	RAC
Per Eklund Dave Whittock	Clarion Team Europe													21st (1st)
Jim Heather-Hayes Anton Levitan					10th (1st)
Total points ()	1				1
Statistics
Starts/finishes	2/2				1/1									1/1

1989

Season

A/7 classification noted in brackets

Entry		Rally event
Driver Codriver	Team	(SVE) Entry list	MC Entry list	POR Entry list	KEN	TdC	GRE	(NZ)	ARG	FIN	AUS	SR	(CdI)	RAC
Per Eklund Dave Whittock	Clarion Team Europe		suspe nsion
Lynda Morgan Lynn Marote					12th (1st)
Statistics
Starts/finishes	2/1		1/0		1/1

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Article for production

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Drawings

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5 door version

Engine

Suspension

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Front suspension
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Rear suspension