Information
- Basic Z31 300ZX Information

Information

Basic Z31 300ZX Information

Engine

Specifications

Bore	87 mm
Stroke	83 mm
Cylinders	6
Displacement	2960 cc
Configuration	“V”
Firing Order	1-2-3-4-5-6

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

Year	Type	Pressure
84	T3, oil lubricated, air cooled	6.7 psi
85-87	T3, oil lubricated, water cooled	6.7 psi
88-89	T25, oil lubricated, water cooled	4.5 psi

Manual Transmissions

Year	Model	Transmission	Strength¹⁾
84-89	NA	FS5W71C: Nissan 5spd	medium
84-86	Turbo	FS5R90A: Borg Warner T-5 5spd	weakest
87-89	Turbo	FS5R30A: Nissan Turbo 5spd	strongest

Automatic Transmission

All: 4N71B: weak transmission

Level 10 makes an upgrade kit.

Trans Fluid Recommenations

Trans	Capacity	Type
E4N71B	7-3/8 qt	Auto Trans DEXRON
FS5W71C	4-1/4 pt	API GL-4
FS5R90A	4 pt	API GL-4 (SAE 80W-90) or type DEXRON
FS5R30A	5-1/8 pt	API GL-4

Differential

All are R200

Model by Year

Production Year & Model	Ratio	Type
84-87 NA	3.7:1	Open
88-89 NA	3.9:1	Open
84-86 Turbo	3.54:1	Open
09/86-04/87 Turbo	3.7:1	Open
04/87-89 Turbo	3.7:1	Clutch LSD
01/88-04/88 Turbo SS	3.7:1	Viscous LSD

Diff Fluid Recommendations

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

open diff	API GL-5
clutch diff	API GL-5 and SAE 80W-90 approved for Nissan LSD

Fluid Temperature Ratings

Ambient Temp	Viscosity
below 50°F	75W
below 86°F	80W
below 104°F	75W-90 / 80W-90
between 14°F and 86°F	85W
between 32°F and 104°F	90W
above 50°F	140W

Brakes

	Front	Rear
Year/Model	(diameter x minimum thickness)
84-86 SF	250 mm x 20 mm	258 mm x 9 mm
84-86 GL/GLL	274 mm x 20 mm	290 mm x 9 mm
87-89 NA	274 mm x 20 mm	282 mm x 18 mm
87-89 Turbo	280 mm x 24 mm	282 mm x 18 mm

Wheels

Stock Wheel Specifications By Model

Year/Model	Diameter	Width	Offset	Lug Pattern
84-86 SF	14“	5.5”	+???	4 x 114.3 mm (4 x 4.5“)
84-85 NA	15”	6.5“	+30 mm	4 x 114.3 mm (4 x 4.5”)
84-85 Turbo	15“	6.5”	+30 mm	5 x 114.3 mm (5 x 4.5“)
86 NA	15”	6.5“	+10 mm	5 x 114.3 mm (5 x 4.5”)
84AE/86T	16“	7.0”	+20 mm	5 x 114.3 mm (5 x 4.5“)
87-89 NA	15”	6.5“	+20 mm	5 x 114.3 mm (5 x 4.5”)
87-89 Turbo	16“	7.0”	+30 mm	5 x 114.3 mm (5 x 4.5“)

Stock Wheel Images

Year/Model	Image
84-85 NA
84-85 T
86 NA
86 Turbo
87-89 NA
87 Turbo
88 SS
88-89 Turbo

Tires

Wheel Size	Tire 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

Front	MacPherson Struts
Rear	Semi-Trailing arm with coil springs and tube shocks

Anti-Sway Bars

Year/Model	Front	Rear
84-89 NA	22 mm	22 mm
84-86 Turbo	22 mm	22 mm
87-04/87 Turbo	24 mm	22 mm
04/87-89 Turbo	24 mm	24 mm
88SS	26 mm	25 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.

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