Z31 Library mediawiki https://z31library.com/wiki/Main_Page MediaWiki 1.43.8 first-letter Media Special Talk User User talk Z31 Library Z31 Library talk File File talk MediaWiki MediaWiki talk Template Template talk Help Help talk Category Category talk Forum Forum talk 0 1 8117 8080 2026-10-20T22:17:10Z CleanupBot 1550 Restore power/torque and W-series (8.3:1, T25) rows from xenonzcar engine/general-spec pages, worded as source; extend source note 8117 wikitext text/x-wiki {| style="width:100%; border:0;" | style="vertical-align:top; padding:0 12px 0 0;" | '''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 (180.62 cu in) || 160 hp @ 5,200 rpm (165 hp on late W-series, 1988–1989) || 173 lb·ft @ 4,000 rpm |- | VG30ET (turbo, 1984 – 5/1987) || 2,960 cc (180.62 cu in) || 200 hp @ 5,200 rpm || 227 lb·ft @ 3,600 rpm |- | VG30ET (turbo, W-series, 5/1987 – 1989) || 2,960 cc (180.62 cu in) || 205 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 || V-6 OHC |- | VG30ET || 87 mm × 83 mm || 7.8:1 || V-6 OHC + Nissan-made Garrett-based T3 turbo |- | VG30ET (W series, 5/1987 – 1989) || 87 mm × 83 mm || 8.3:1 || V-6 OHC + Nissan-made Garrett-based T25 turbo |} === Oil change === {| class="wikitable" |- ! Engine !! Capacity (w/ filter) !! Capacity (w/o filter) !! Recommended viscosity |- | VG30E || 4.0 L (4-1/4 US qt) || 3.6 L (3-7/8 US qt) || 10W-30 (preferred above −18 °C / 0 °F) |- | VG30ET || 4.0 L (4-1/4 US qt) || 3.6 L (3-7/8 US qt) || 10W-30 (preferred above −18 °C / 0 °F) |} * Change interval: VG30E every 7,500 mi (12,000 km) or 6 months; VG30ET every 5,000 mi (8,000 km) or 6 months; filter every second oil change * Drain plug torque: 22–29 lb·ft (29–39 N·m) === Transmission fluid === {| class="wikitable" |- ! Trans !! Type !! Capacity |- | FS5W71C (5-speed MT) || API GL-4, 75W-90 (non-turbo) || 1.9 L (4 US pt) (1986); 2.0 L (4-1/4 US pt) (1987) |- | FS5R90A / BW T-5 (5-speed MT, 1986 turbo) || API GL-4, 80W-90 (turbo) || 1.9 L (4 US pt) |- | FS5R30A (5-speed MT, 1987 turbo) || API GL-4, 80W-90 (turbo) || 2.4 L (5-1/8 US pt) |- | E4N71B (4-speed AT) || Type DEXRON ATF || 7.0 L (7-3/8 US qt) |} === Coolant === * System capacity (without reservoir): VG30E 10.5 L (11-1/8 US qt); VG30ET 11.0 L (11-5/8 US qt); reservoir tank 0.8 L (7/8 US qt) * Anti-freeze: ethylene-glycol base * Thermostat opens: 76.5 °C (170 °F) === Spark plugs === {| class="wikitable" |- ! Engine !! OEM plug (standard type) !! Gap |- | VG30E || BCPR6ES-11 || 1.0–1.1 mm (0.039–0.043 in) |- | VG30ET || BCPR6E-11 || 1.0–1.1 mm (0.039–0.043 in) |} === Timing belt === * Replacement interval: 60,000 mi (96,000 km) * See [[Z31/timingbelt php|Timing belt replacement]] for full procedure === Tire sizes (stock) === {| class="wikitable" |- ! Model (1986–1987) !! Front !! Rear |- | VG30E (N/A) || P215/60R15 90H || P215/60R15 90H |- | VG30ET (turbo) || 225/50VR16 || 225/50VR16 |} * Factory rim: 15 × 6-1/2 JJ (VG30E), 16 × 7 JJ (VG30ET) <small>Specs from the 1986/1987 FSMs (EM, GI, LC, MA sections; see [[Z31/Nuts and Bolts#How to verify|How to verify]]); power figures and W-series data from xenonzcar ([[Z31/engines php|engine specs]], [[Z31/GeneralSpecs php|general specs]], [[Z31/Wseriesmain php|W-series]]). Other 1984–85 and 1988–89 values may differ.</small> == Z31 reference == * [[Z31]] — Z31 hub page * [[Z31/reference|Z31 reference index]] — full XenonZcar Z31 reference * [[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/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]] == Related Z-car content == * [[S30]] — 240Z / 260Z / 280Z (1970–1978) * [[S130]] — 280ZX (1979–1983), predecessor * [[Z32]] — 300ZX (1990–2000), successor == Forums == * [[Forums/Z31P|z31performance.com archive]] — Sept 2024 import, ~2762 threads organized by category * [[Forums|Forums landing]] — all forum archives == Static site archives == [[Static Archives]] — 15 preserved sites including z31.com, thumper300zx, xenonzcar, zhome, robrobinette, msextra, nistune, and more. == Getting started == * [[Special:RecentChanges|Recent changes]] · [[Special:AllPages|All pages]] · [[Special:Categories|Categories]] 1nncacg6iklpcl1ensuqkhfgkq4qjbe