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The
Z31 300ZX replaced the 280ZX in 1983, and was produced until it was
in turn replaced by the Z32 300ZX in 1989. Nissan's aim with the 300ZX
was to produce a car with exhilaration, performance, and beauty. It
was to maintain the great Z-Car tradition, but with greater refinements
over previous models. To this end, it was fitted with the brand new
VG30E and VG30ET engines, being a 3.0 liter V6, and 3.0 liter Turbo
V6 respectively. This improved performance levels over those available
form the aging L28, which had been emasculated by US Federal regulations.
The traditional Z-Car wedge shape was also maintained, with an 80's
twist. The traditional deeply recessed round headlights where replaced
by semi-retractable rectangular unit, and the shape was more angular.
The Targa top, fast on it's way to becoming another Z tradition was
also retained. Like the 280ZX, the Z31 was offered in four variants:
2 Str, 2str Targa, 2+2 and 2+2 Targa. Interior luxury was again stepped
up, with the introduction of 8 way electrically controlled seats, and
higher all round interior quality (which was seen as one of the 280ZXs
major shortfalls)
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What
was at the time regarded as a sophisticated stereo was also
fitted. This consisted of a stereo AM/FM radio cassette with
6 or 8 speakers (the upper models having 8, the lesser cars
having 6). Since the Z was, and still is Nissan's Hero car,
it had to have a level of technical sophistication befitting
it's station. To this end, the most expensive model GLLs where
fitted with a digital dash and compass, and built in alarm system
with immobilizer. Along with the new Engine came new suspension
in the form of front MacPherson struts, and a rear system developed
from that of the 280ZX.
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Side
view diagram of the new VG30E engine
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The
Z31's electronically controlled seat
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| Model: |
2
seater
|
2+2
seater
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|
Non-turbo
|
Turbo
|
Non-turbo
|
Turbo
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| DIMENSIONS: |
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| Length: |
4355mm
|
4535mm
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| Width: |
1690
mm/1725mm with side guard molding
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| Height |
1295mm
|
1310mm
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| Tread
(front) |
1415mm
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| Tread
(rear) |
1435mm
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| Overhang
(front) |
945mm
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| Overhang
(rear) |
1070mm
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| Interior
length |
860mm
|
1525mm
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| Interior
width |
1440mm
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| Interior
height |
1075mm
|
1090mm
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| Min
ground clearance: |
150mm
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| Model: |
2
seater
|
2+2
seater
|
|
Non-turbo
|
Turbo
|
Non-turbo
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Turbo
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| WEIGHT: |
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| Seating
capacity: |
2
|
4
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| curb
weight |
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SF:
1267kg
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GL:
1310kg
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GLL:
1334kg
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-
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GL:
1357kg
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GLL:
1368 kg
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| Model: |
2
seater
|
2+2
seater
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|
Non-turbo
|
Turbo
|
Non-turbo
|
Turbo
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| PERFORMANCE: |
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| Min
turning radius (curb to curb): |
4.9mm
|
5.3mm
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| Model: |
2
seater
|
2+2
seater
|
|
Non-turbo
|
Turbo
|
Non-turbo
|
Turbo
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| ENGINE: |
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| Type: |
60°
V6 OHC cog belt driven: cross flow, oil tappet valve mechanism
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| Fuel
system: |
Semi-ECCS
EGI
|
ECCS
EGI
Turbo charger (air research with anit-knock device)
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| Displacement: |
2,960cc
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| Bore
X Stroke: |
87.0
X 83.0
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| Compression
ratio: |
90.0:1
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7.8:1
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| Turbocharged
pressure: |
-
|
350
mm Hg
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| Max
power (SAE net) |
160hp
at 5200 rpm
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200hp
at 5200 rpm
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| Max
torque (SAE net) |
24.0
kg-m at 4000 rpm
|
31.4
kg-m at 3600 rpm
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| Lubrication: |
Mechanical
oil pump. Engine oil: SF 10W-30
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Mechanical
oil pump. Engine oil: SF/cc 10w-30
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| cooling
system: |
Coolant:
LLC 50%
Fan: 410mm diameter X 8 blades w/thermo coupling
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| Air
Cleaner |
Viscous
element
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| Catalyzer: |
3-way
honey comb 1.7 lt
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| Fuel
tank capacity: |
72
lt
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| Electric
system: |
Alternator:
70A starter: 1.4kW reduction gear type (80 LDR) battery: USA;
55D23R-MF (60AH) CAN; N7OZ-MF (70AH)
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| Model: |
2
seater
|
2+2
seater
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|
Non-turbo
|
Turbo
|
Non-turbo
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Turbo
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| POWER
TRAIN: |
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| Clutch: |
Dry
plate C240S 550kg
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Dry
plate C250S 650kg
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| Transmission: |
Gear
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5spd
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A/T
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5spd
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A/T
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1st
|
3.321
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2.842
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3.350
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2.458
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2nd
|
1.902
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1.542
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2.056
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1.458
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3rd
|
1.308
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1.000
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1.376
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1.000
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4th
|
1.000
|
0.666
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1.000
|
0.666
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5th
|
0.759
|
-
|
0.779
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-
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Rev
|
3.382
|
2.400
|
3.315
|
2.182
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| Propellor
shaft: |
2-joint
(2S71A)
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| Final: |
Type:
R200
Gear ratio: 3.700
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Type:
R200
Gear ratio: 3.545
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| Drive
shaft: |
Constant
velocity (triport)
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Constant
velocity (Birfield)
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| Model: |
2
seater
|
2+2
seater
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|
Non-turbo
|
Turbo
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Non-turbo
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Turbo
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| BRAKE: |
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| Type: |
Front
|
ventilated
disc (CL28VA)
250mm dia.
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Ventilated
disc (CL28VB)
274mm dia.
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Rear
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SF:
Disc (CL14H)
258mm dia.
GL/GLL: Disc (CL15HB)
290mm dia.
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Disc
(CL14HB)
290mm dia.
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| Master
Vac |
8-inch
tandem (M20T)
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| Anti-Skid |
NP
Valve
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| Model: |
2
seater
|
2+2
seater
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|
Non-turbo
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Turbo
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Non-turbo
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Turbo
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| STEERING: |
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| Type: |
Rack
and pinion, power assisted (RP245)
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| Gear
ratio: |
Variable
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| Lock-to-lock |
3.62
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| Model: |
2
seater
|
2+2
seater
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|
Non-turbo
|
Turbo
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Non-turbo
|
Turbo
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| SUSPENSION: |
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| Type: |
Front:
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MacPherson
strut with coil springs and stabilizer
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Rear:
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Semi-trailing
arm independent with coil springs and stabilizer
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| Shock
absorber: |
Normal
with low pressure gas
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Electrically
controlled adjustable shock absorbers
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| Model: |
2
seater
|
2+2
seater
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|
Non-turbo
|
Turbo
|
Non-turbo
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Turbo
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| WHEELS: |
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| SF: |
5/2
JJ14 Steel wheels, offset 30mm 4 bolts
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-
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| GL/GLL: |
6-1/2
JJ15 Alloy wheels offset 30mm, 4 bolts
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6-1/2
JJ15 Alloy wheels offset 30mm, 5 bolts
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| TIRES: |
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| SF: |
P195/70R14
steel belted radials
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-
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| GL/GLL: |
P215/60R15
steel belted radials
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