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'''Welcome to the Z31 Library''' — a community-maintained reference for the Nissan 300ZX (Z31, 1984–1989).
'''Welcome to the Z31 Library''' — a community-maintained reference for the Nissan 300ZX (Z31, 1984–1989).
|}
|}
== Z31 quick reference ==
{| class="wikitable" style="width:100%"
! colspan="4" | Engine specs
|-
! Engine !! Displacement !! Power (US) !! Torque (US)
|-
| VG30E (N/A) || 2,960 cc (3.0 L) || 160 hp @ 5,200 rpm || 174 lb·ft @ 4,000 rpm
|-
| VG30ET (turbo) || 2,960 cc (3.0 L) || 200 hp @ 5,200 rpm || 227 lb·ft @ 3,600 rpm
|}
{| class="wikitable" style="width:100%"
! colspan="4" | Engine internal specs
|-
! Engine !! Bore × Stroke !! Compression !! Configuration
|-
| VG30E || 87 mm × 83 mm || 9.0:1 || V6 SOHC 12-valve
|-
| VG30ET || 87 mm × 83 mm || 7.8:1 || V6 SOHC 12-valve + IHI turbo
|-
| VG30ET (W series) || 87 mm × 83 mm || 8.3:1 || V6 SOHC 12-valve + T25 watercooled turbo
|}
=== Oil change ===
{| class="wikitable"
|-
! Engine !! Filter !! Capacity (w/ filter) !! Recommended viscosity
|-
| VG30E || Nissan 15208-43G00 (or equivalent) || 3.75 qt (3.6 L) || 10W-30 (factory) · 5W-30 acceptable
|-
| VG30ET || Nissan 15208-43G00 (or equivalent) || 3.75 qt (3.6 L) || 10W-30 (factory) · 5W-30 acceptable
|}
* Change interval: every 3,000 mi (conventional) or 5,000 mi (synthetic)
* Drain plug torque: 22–29 lb·ft (29–39 N·m)
=== Transmission fluid ===
{| class="wikitable"
|-
! Trans !! Type !! Capacity
|-
| FS5W71C (5-speed MT) || GL-4 MTF (75W-90 or 80W-90) || 2.5 qt (2.4 L)
|-
| RS5F50A (5-speed MT, 1988–89 N/A) || GL-4 MTF (75W-90) || 2.4 qt (2.3 L)
|-
| RE4W03A (4-speed AT) || Dexron II/III ATF || 7.4 qt total (3.2 qt service fill)
|}
=== Coolant ===
* System capacity: ~8.5 qt (8.1 L)
* Factory spec: 50/50 green ethylene-glycol coolant
* Thermostat opens: 82 °C (180 °F)
=== Spark plugs ===
{| class="wikitable"
|-
! Engine !! OEM plug !! Gap
|-
| VG30E || NGK BKR5E-11 / Nissan 22401-01P15 || 1.1 mm (0.043 in)
|-
| VG30ET || NGK BKR6E-11 / Nissan 22401-01P16 || 1.1 mm (0.043 in)
|}
=== Timing belt ===
* Replacement interval: 60,000 mi (96,000 km)
* See [[Z31/timingbelt|Timing belt replacement]] for full procedure
=== Tire sizes (stock) ===
{| class="wikitable"
|-
! Year !! Front !! Rear
|-
| 1984–1985 || 205/60R15 || 225/50R15
|-
| 1986–1989 || 205/60R15 || 225/50R15
|-
| 1987–1989 2+2 || 205/60R15 || 225/50R15
|}
* Factory rim: 15 × 6.5 JJ (front), 15 × 7.0 JJ (rear)


== Z31 reference ==
== Z31 reference ==


* [[Z31]] — the Z31 hub (entry page)
* [[Z31]] — Z31 hub page
* [[Z31/reference|Z31 reference index]] — full XenonZcar Z31 reference
* [[Z31/reference|Z31 reference index]] — full XenonZcar Z31 reference
* [[Z31/basics|Z31 basics]] · [[Z31/issues|Common issues & fixes]] · [[Z31/mods|Modifications]]
* [[Z31/basics|Z31 basics]] · [[Z31/issues|Common issues & fixes]] · [[Z31/mods|Modifications]]
* [[Z31/z31fsm php|Factory Service Manuals (FSM)]] · [[Z31/z31ownersmanuals php|Owner's manuals]]
* [[Z31/z31fsm_php|Factory Service Manuals (FSM)]] · [[Z31/z31ownersmanuals_php|Owner's manuals]]
* [[Z31/Nuts_and_Bolts|Nuts & bolts — thread pitch, torque specs]]
* [[Z31/Models|3D / STL / 2D models — printable parts & fabrication files]]
* [[:Category:Imported from Xenonzcar|Browse all imported XenonZcar pages]]
* [[:Category:Imported from Xenonzcar|Browse all imported XenonZcar pages]]


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== Static site archives ==
== Static site archives ==


Browse the original sites as they appeared (untouched HTML mirrors):
[[Static Archives]] — 15 preserved sites including z31.com, thumper300zx, xenonzcar, zhome, robrobinette, msextra, nistune, and more.
 
* [https://dev.z31library.com/Z31performance_archive/ z31performance.com forum]
* [https://dev.z31library.com/xenonzcar_archive/z31.html xenonzcar.com (Z31 section)]
* [https://dev.z31library.com/z31info_archive/ z31.info (home only — see [[Z31info|imported content]])]


== Getting started ==
== Getting started ==


* [[Special:RecentChanges|Recent changes]] · [[Special:AllPages|All pages]] · [[Special:Categories|Categories]]
* [[Special:RecentChanges|Recent changes]] · [[Special:AllPages|All pages]] · [[Special:Categories|Categories]]

Latest revision as of 04:23, 17 May 2026

Welcome to the Z31 Library — a community-maintained reference for the Nissan 300ZX (Z31, 1984–1989).

Z31 quick reference[edit]

Engine specs
Engine Displacement Power (US) Torque (US)
VG30E (N/A) 2,960 cc (3.0 L) 160 hp @ 5,200 rpm 174 lb·ft @ 4,000 rpm
VG30ET (turbo) 2,960 cc (3.0 L) 200 hp @ 5,200 rpm 227 lb·ft @ 3,600 rpm
Engine internal specs
Engine Bore × Stroke Compression Configuration
VG30E 87 mm × 83 mm 9.0:1 V6 SOHC 12-valve
VG30ET 87 mm × 83 mm 7.8:1 V6 SOHC 12-valve + IHI turbo
VG30ET (W series) 87 mm × 83 mm 8.3:1 V6 SOHC 12-valve + T25 watercooled turbo

Oil change[edit]

Engine Filter Capacity (w/ filter) Recommended viscosity
VG30E Nissan 15208-43G00 (or equivalent) 3.75 qt (3.6 L) 10W-30 (factory) · 5W-30 acceptable
VG30ET Nissan 15208-43G00 (or equivalent) 3.75 qt (3.6 L) 10W-30 (factory) · 5W-30 acceptable
  • Change interval: every 3,000 mi (conventional) or 5,000 mi (synthetic)
  • Drain plug torque: 22–29 lb·ft (29–39 N·m)

Transmission fluid[edit]

Trans Type Capacity
FS5W71C (5-speed MT) GL-4 MTF (75W-90 or 80W-90) 2.5 qt (2.4 L)
RS5F50A (5-speed MT, 1988–89 N/A) GL-4 MTF (75W-90) 2.4 qt (2.3 L)
RE4W03A (4-speed AT) Dexron II/III ATF 7.4 qt total (3.2 qt service fill)

Coolant[edit]

  • System capacity: ~8.5 qt (8.1 L)
  • Factory spec: 50/50 green ethylene-glycol coolant
  • Thermostat opens: 82 °C (180 °F)

Spark plugs[edit]

Engine OEM plug Gap
VG30E NGK BKR5E-11 / Nissan 22401-01P15 1.1 mm (0.043 in)
VG30ET NGK BKR6E-11 / Nissan 22401-01P16 1.1 mm (0.043 in)

Timing belt[edit]

Tire sizes (stock)[edit]

Year Front Rear
1984–1985 205/60R15 225/50R15
1986–1989 205/60R15 225/50R15
1987–1989 2+2 205/60R15 225/50R15
  • Factory rim: 15 × 6.5 JJ (front), 15 × 7.0 JJ (rear)

Z31 reference[edit]

Related Z-car content[edit]

  • S30 — 240Z / 260Z / 280Z (1970–1978)
  • S130 — 280ZX (1979–1983), predecessor
  • Z32 — 300ZX (1990–2000), successor

Forums[edit]

Static site archives[edit]

Static Archives — 15 preserved sites including z31.com, thumper300zx, xenonzcar, zhome, robrobinette, msextra, nistune, and more.

Getting started[edit]

Retrieved from "https://dev.z31library.com/index.php?title=Main_Page&oldid=7949"