JAPAN AWD /// platform file
Nissan GT-R (R35, 2017+) build guide
VR38DETT · 3.8 twin-turbo V6. What the stock hardware is estimated to support, where it breaks first, and the honest path to more.
Same family, other generations and variants: Skyline GT-R (R32, BNR32)
The Nissan GT-R (R35, 2017+) is rated 565 hp (SAE net (secondary listing) · US market) at 6,800 rpm and weighs 3,933 lb (US base curb, MY2017 (secondary)), or 7 lb/hp. On enthusiast estimates its stock internals are taken to about ~850 hp, the fuel system to around ~650 hp, and the stock turbo(s) are taken to about ~680 hp. Below: the sourced spec sheet, the limit sheet carbuildcheck analyzes against, and the platform's community-documented weak points.
Units
01 Spec sheet sourced
EngineVR38DETT · 3,799 cc · V6
Engine codeVR38DETT
Bore × stroke95.5 × 88.4 mm
Compression9.0:1
Inductiontwin turbo
Fuel systemport (multi-point)
Rated power565 hp · SAE net (secondary listing) · US market @ 6,800 rpm
Torque467 lb-ft @ 3,300 rpm
Redlinenot sourced in this audit
Stock boostnot sourced in this audit
Transmission6-speed dual-clutch (GR6) transaxle
DrivetrainAWD
Curb weight3,933 lb · US base curb, MY2017 (secondary) · 7 lb/hp
GenerationR35; US ratings by model year: 2009 480 hp, 2010–2011 485, 2012 530, 2013–2016 545, 2017+ 565; Japan 2007 launch 353 kW / 480 PS at 1,740 kg · 2017– (565 hp) · facelift (minor change (2017 MY refresh), Nissan’s term)
Verified againstcars.com, 2017 Nissan GT-R specs (secondary, read 2026-09-06); Nissan Heritage Collection, Nissan GT-R (2007) (primary, read 2026-09-06); engine-specs.net, Nissan VR38DETT (secondary, read 2026-09-06) · The rated power and the mass each rest on one document.
02 What stock parts support enthusiast estimates
Engine internals~850 hp
rotating assembly ceiling · fails first: bedplate and main studs past ~800 hp (community consensus) · 93 AKI / E85 · no named source: site planning estimate · site planning figure ~850 hp; T1's 1,200 hp series 3 uses a built short block (t1), which bounds the stock block below that
Induction ceiling~680 hp
stock turbo / supercharger ceiling · fails first: stock turbos out of efficiency · 93 AKI · no named source: site planning estimate · site planning figure ~680 hp; no named stock-turbo ceiling in this audit
Fuel system~650 hp
stock fuel-system ceiling · fails first: stock injectors and pumps (T1 replaces both at 1,200 hp, t1) · 93 AKI · source: T1 Race Development, GT1R Series 3 package · site plans on ~650 hp
Transmission (dual-clutch)~620 hp
gearbox / driveline rating · fails first: GR6 circlip and clutch packs (T1 fits a Shep stage-3 box at 1,200 hp, t1) · source: T1 Race Development, GT1R Series 3 package · site plans on ~620 hp
Cooling (sustained)~700 hp
thermal ceiling for sustained load · fails first: transmission and oil temperature on sustained load · no named source: site planning estimate · site planning figure; no named source in this audit
Tuning limitsenthusiast estimates, crank hp on the stated fuel; sources: T1 Race Development, GT1R Series 3 package; method: the analyzer plans on the lower bound of each range
Planning figures, conservative by design, never a manufacturer claim. How these are used in the score →
03 Where it breaks first community-documented
The GR6 gearbox circlip and clutch capacity are the classic R35 failure at this level (community consensus); transmission work comes with the power.
Past ~800 you are into bedplate/main-stud territory (community consensus). Budget accordingly.
04 The typical path
Stage 1 tune → intake → downpipe → intercooler → Stage 2 tune. Fueling before E85; a dual-clutch gearbox calibration before sticky tires.
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