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Cut
away drawing of the 280Zx Targa 2str
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Introduced
in 1978, the 280ZX was the first completely new Z car since the 240Z
nine years earlier. The 280ZX was designed as a car for the 1980's,
the primary concerns in it's design where speed, comfort, and efficiency.
To achieve high speeds with less pollution and wastage than pervious
models, more efficient methods and materials where introduced. Also,
by 1978 the public expected a much higher degree of comfort and convenience
in their cars. Therefore, the 280ZX was the first of the Zs to tend
towards luxury, unlike it's Spartan predecessors.
The X was introduced to the name in order to differentiate the new car
from the 280Z, basically a 260Z with a fuel injected L28 engine sold
only in the US.
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The
280ZX fuel injected L28E engine.
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It was available in a wide range of colors, with an even wider range
of interior colors (making it harder to find replacement interior panels!)
Although a new and modern design, the 280 used traditional Z styling
cues, such as the recessed circular head lights, stacked tail lights,
and hatchback GT body style, while introducing the Targa roof, soon
to become a new Z tradition.
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2str
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2+2
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| DIMENSION: |
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| Overall
length: |
4.340mm
(4,420mm with over rider)
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4540mm
(4620mm with over rider)
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| Overall
width: |
1690mm
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1690mm
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| Overall
height: |
1290mm
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1300mm
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| Length
X width |
7.33
square meters
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7.67
square meters
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| Wheelbase: |
2,320mm
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2,520mm
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| Tread
(front) |
1,385mm
(1,395 with 6JJ-14 aluminum wheels)
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| Tread
(rear) |
1,380mm
(1390mm with 6JJ-14 aluminum wheels)
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| Min.
road clearance: |
145mm
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| Over
hang (front) |
980mm
(1,000mm with over rider)
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| Over
hang (rear) |
1,040mm
(1,100 with over rider)
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| Interior
length: |
860mm
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1,520mm
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| Interior
width: |
1,420mm
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1,420mm
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| Interior
height: |
1,075mm
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1,085mm
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| WEIGHT: |
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| Curb
weight (Manual) |
1,216kg
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1,255kg
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| Curb
weight (automatic) |
1,208kg
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1,247kg
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| Seating
capacity: |
2
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4
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| PERFORMANCE: |
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| Max
Speed (Manual) |
205
Kph
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205
Kph
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| Max
Speed (Auto) |
200
Kph
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200
Kph
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| Max
grade ability: |
0.46
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0.49
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| Min.
turning radius: |
4.9m
tire/5.4m body
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5.3m
tire/5.8m body |
| ENGINE: |
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| Model: |
L28
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| Calcification
and cycle: |
Gasoline,
4 stroke
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| No.
Cylinders and arrangement: |
6
in line
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| Valve
arrangement: |
O.H.C.
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| Bore
X Stroke |
8.60
X 79.0 mm
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| Displacement: |
2,753
cc
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| Compression
ratio: |
8.3:1
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| Max.
power: |
170hp
at 5,600 RPM
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| Max.
torque: |
24.5
kg-m at 4,400 RPM
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| Fuel
tank capacity: |
80l
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| Lubrication
method: |
Pressure
feed flow with trochoid gear oil pump
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| Oil
filter type: |
Corrugated
fin tube
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| Cooling
method |
Water
cooling, forced circulation with centrifugal water pump
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| Radiator
type: |
Corrugated
fin and tube
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| Carburetor: |
E.F.I.
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| Air
cleaner filter type: |
Viscous
paper
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| Battery
capacity |
12-60
V-AH
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| Alternator
capacity: |
12-60
V-A
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| Starter
motor capacity: |
1.4kw
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| Ignition
method: |
Battery
coil
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| firing
order |
1-5-3-6-2-4
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| Distributor
type: |
Pick-up
coil type 1C ignition unit
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| POWER
TRAIN: |
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| Clutch
type: |
Single
dry disc with diaphragm spring
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| GEAR
RATIOS: |
M/T
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A/T
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| 1st |
3.321
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2.458
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| 2nd |
2.077
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1.458
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| 3rd |
1.308
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1.000
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| 4th |
1.000
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-
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| 5th |
0.864
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-
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| Rev. |
3.382
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2.182
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| Differential
carrier gear ratio: |
3.700
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3.545
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| Differential
carrier type: |
Hypoid
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| SUSPENSION: |
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| Front: |
Independent
struts with coil springs
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| Rear: |
Independent
semitrailing arms with coil springs
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| Shock
absorber type: |
Telescopic
double acting hydraulic
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| Stabilizer
type and size: |
Torsion
bar (22mm front, 20mm rear)
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Torsion
bar (22mm front, 18mm rear)
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| BRAKES: |
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| Front: |
Ventilated
disc
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| Rear: |
Disc
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| Brake
booster size: |
228.6mm
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| Pressure
control type: |
NP-valve
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| Parking
brake type: |
Mechanically
operated on rear wheels
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| WHEELS
AND TIRES: |
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| Road
wheel size (offset) |
5-1/2
JJ14 [12mm] or 6JJ-14(AI)[10mm] (optional)
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| Tire
size: |
195/70
VR14
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| STEERING: |
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| Gear
type: |
Rack
and Pinion / recirculating ball (power steering)
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| Gear
ratio: |
19.6
/ 16.3 (power steering)
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| Column
shaft type: |
Collapsible
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The specifications
stated here are for Australian delivered 280ZXs only.
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L28ET:
The L28ET, available on the 280ZX turbo in America, was developed from
the L28 introduced in the 280Z. It was fitted with a Garret AiResearch
TB03 turbocharger with integral wastegate, new pistons, higher capacity
oil pump, and larger head bolts. Compression was reduced, and lubrication
improved. A new temperature resistant alloy exhaust manifold was fitted,
along with a 2-1/2in exhaust system, a larger air-flow meter, an enlarge
intake manifold plenum chamber fitted with pop-off valve set at 7.5lb
sq in, higher capacity injectors, a larger coil and oil cooler. There
was also a new electronic management system controlling fuel injection,
ignition timing, exhaust gas recalculation, idle speed, and fuel pump
operation. Unfortunatly, the 280ZX trubo was not available in Australia.
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