Information

Basic Z31 300ZX Information

Engine

Specifications

Bore87 mm
Stroke83 mm
Cylinders6
Displacement2960 cc
Configuration“V”
Firing Order1-2-3-4-5-6

Output

Year Model Engine Turbo CR Horsepower Torque
84-87 NA VG30E 9.0:1 160 hp @ 5200 rpm 173 ft-lbs @ 4300 rpm
88-89 NA VG30E 9.0:1 165 hp @ 5200 rpm 173 ft-lbs @ 4300 rpm
84-87 Turbo VG30ET T3, 6.7psi 7.8:1 200 hp @ 5200 rpm 227 ft-lbs @ 3600 rpm
88-89 Turbo VG30ET T25, 4.5psi 8.3:1 205 hp @ 5200 rpm 227 ft-lbs @ 3600 rpm

Fluid Capacities

Fluid Liter US Measurements Imp Measurements
Fuel Tank 72 19 Gal 15 7/8 Gal
Coolant NA 10.5 11-1/8 qt 9-1/4 qt
Coolant Turbo 11.0 11-5/8 qt 9-5/8qt
Coolant Reservoir 0.8 7/8 qt 3/4 qt
Engine w/filter 4.0 4-1/4 qt 3-1/2 qt
Engine w/o Filter 3.6 3-7/8 qt 3-1/8 qt
M/T 2.0 4-1/4 pt 3-1/2 pt
A/T 7.0 7-3/8 qt 6-1/8 qt
Final Drive Gear 1.3 1-3/8 qt 1-1/8 qt
Power Steering 0.9 1 qt 3/4 qt
AC Refrigerant 1.0kg 2.2 lb 2.2 lb
AC Comp Oil 0.15 5.1 fl oz 5.3 fl oz
Washer Reservoir 3.0 3-1/8 qt 2-5/8 qt
Headlamp Reservoir 2.2 2-3/4 qt 2 qt

Engine Oil Viscocity

Temperature F Oil Weights
<60 5W-30
>0 10W-30/10W-40
>50 20W-50

Turbo

YearTypePressure
84T3, oil lubricated, air cooled6.7 psi
85-87T3, oil lubricated, water cooled6.7 psi
88-89T25, oil lubricated, water cooled4.5 psi

Manual Transmissions

YearModelTransmissionStrength1)
84-89NAFS5W71C: Nissan 5spdmedium
84-86TurboFS5R90A: Borg Warner T-5 5spdweakest
87-89TurboFS5R30A: Nissan Turbo 5spdstrongest

Automatic Transmission

All: 4N71B: weak transmission

  • Level 10 makes an upgrade kit.

Trans Fluid Recommenations

TransCapacityType
E4N71B7-3/8 qtAuto Trans DEXRON
FS5W71C4-1/4 ptAPI GL-4
FS5R90A4 ptAPI GL-4 (SAE 80W-90) or type DEXRON
FS5R30A5-1/8 ptAPI GL-4

Differential

All are R200

Model by Year

Production Year & ModelRatioType
84-87 NA3.7:1Open
88-89 NA3.9:1Open
84-86 Turbo3.54:1Open
09/86-04/87 Turbo3.7:1Open
04/87-89 Turbo3.7:1Clutch LSD
01/88-04/88 Turbo SS3.7:1Viscous LSD

Diff Fluid Recommendations

R200 - 3-7/8 pt. (approx)

open diffAPI GL-5
clutch diffAPI GL-5 and SAE 80W-90 approved for Nissan LSD
Fluid Temperature Ratings
Ambient TempViscosity
below 50°F75W
below 86°F80W
below 104°F75W-90 / 80W-90
between 14°F and 86°F85W
between 32°F and 104°F90W
above 50°F140W

Brakes

FrontRear
Year/Model (diameter x minimum thickness)
84-86 SF250 mm x 20 mm258 mm x 9 mm
84-86 GL/GLL274 mm x 20 mm290 mm x 9 mm
87-89 NA274 mm x 20 mm282 mm x 18 mm
87-89 Turbo280 mm x 24 mm282 mm x 18 mm

Wheels

Stock Wheel Specifications By Model

Year/ModelDiameterWidthOffsetLug Pattern
84-86 SF14”5.5”+???4 x 114.3 mm (4 x 4.5”)
84-85 NA15”6.5”+30 mm4 x 114.3 mm (4 x 4.5”)
84-85 Turbo15”6.5”+30 mm5 x 114.3 mm (5 x 4.5”)
86 NA15”6.5”+10 mm5 x 114.3 mm (5 x 4.5”)
84AE/86T16”7.0”+20 mm5 x 114.3 mm (5 x 4.5”)
87-89 NA15”6.5”+20 mm5 x 114.3 mm (5 x 4.5”)
87-89 Turbo16”7.0”+30 mm5 x 114.3 mm (5 x 4.5”)

Stock Wheel Images

Year/ModelImage
84-85 NAz31.com_misc_images_84-85nt.jpg
84-85 Tz31.com_misc_images_84-85t.jpg
86 NAz31.com_misc_images_86nt.jpg
86 Turboz31.com_misc_images_86turbo.jpg
87-89 NAz31.com_misc_images_87-89nt.jpg
87 Turboz31.com_misc_images_87t.jpg
88 SSz31.com_misc_images_88se.jpg
88-89 Turboz31.com_misc_images_88-89t.jpg

Tires

Wheel SizeTire Size (width / ratio R diameter)
14” x 5.5”195 / 70 R 14
15” x 6.5”215 / 60 R 15
16” x 7.0”225 / 50 R 16

Suspension

FrontMacPherson Struts
RearSemi-Trailing arm with coil springs and tube shocks

Anti-Sway Bars

Year/ModelFrontRear
84-89 NA22 mm22 mm
84-86 Turbo22 mm22 mm
87-04/87 Turbo24 mm22 mm
04/87-89 Turbo24 mm24 mm
88SS26 mm25 mm

Credits

Information compiled from all year factory service manuals and owner manuals. Information is accurate for US/Canada models only. Other countries may have different standard features.

1) These are the commonly thought of relative strengths based off many peoples experiences.
 
information/basic_z31_info.txt · Last modified: 2013/10/28 13:26 by az-zbum
 
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