The Ford Mustang GT (S550, Gen 3 Coyote, 2018–2023) is rated 460 hp (SAE (460 hp; Ford release text reproduced by a secondary; Ford Performance crate copy) · US market) at 7,000 rpm and weighs 3,700 lb (site estimate 3,700 lb, unverified: no Ford S550 curb weight was on a fetched page (aggregators print 1,681 kg / 3,704 lb)), or 8 lb/hp. On enthusiast estimates its stock internals are taken to about ~750–1,000 hp, the fuel system to around ~600–810 hp, and its naturally aspirated setup is taken to about ~520 hp before forced induction. Below: the sourced spec sheet, the limit sheet carbuildcheck analyzes against, and the platform's community-documented weak points.
Units
01 Spec sheet sourced
EngineCoyote · 5,038 cc · V8
Bore × stroke93 × 92.7 mm
Compression12.0:1
Inductionnaturally aspirated
Fuel systemdual (direct plus port)
Rated power460 hp · SAE (460 hp; Ford release text reproduced by a secondary; Ford Performance crate copy) · US market @ 7,000 rpm
Torque420 lb-ft @ 4,600 rpm
Redlinenot sourced in this audit
TransmissionGetrag MT-82 6MT · 10R80 10AT
DrivetrainRWD
Curb weight3,700 lb · site estimate 3,700 lb, unverified: no Ford S550 curb weight was on a fetched page (aggregators print 1,681 kg / 3,704 lb) · 8 lb/hp
GenerationS550 Gen 3 Coyote (2018–2023); Gen 2 (2015–2017) 435 hp / 400 lb-ft; S650 Gen 4 (2024+) 480 hp · 2018–2023 · facelift (refresh (2018 MCE), Ford’s term)
rotating assembly ceiling · fails first: oil pump gears near 700 hp (t2) before the rotating assembly, which is reported past 1,000 hp (t1) · 93 AKI · source: FordMuscle, Gen 3 Coyote billet oil pump gears · the site plans on ~750 hp, above the 700 hp oil-pump-gear threshold only with the gears done
Induction ceiling~520 hp
naturally aspirated ceiling (bolt-ons and cam) · fails first: NA ceiling: intake, tune, headers · 93 AKI · no named source: site planning estimate · site planning figure ~520 hp
Fuel system~600–810 hp
stock fuel-system ceiling · fails first: stock fuel system under boost · 91+ AKI · source: Ford Performance Parts, 2024–2026 5.0L supercharger kit M-6066-M8800 · Ford's own supercharger kit reaches 810 hp with its supplied fueling (t3); stock fuel is treated as done near ~600 hp
Clutch (manual)~500 hp
stock clutch torque capacity · fails first: stock clutch slip · no named source: site planning estimate · site planning figure; no named source in this audit
Transmission (automatic)~550 hp
gearbox / driveline rating · fails first: MT-82 (FordMuscle: the weak link in 2011–2017 cars); the 10R80 holds more · no named source: site planning estimate · site planning figure; no gearbox rating on a fetched page
Cooling (sustained)~550 hp
thermal ceiling for sustained load · fails first: oil temperature on track · no named source: site planning estimate · site planning figure; no named source in this audit
⚑Oil pump gears and crank sprocket before big spins (FordMuscle: consider the gears approaching 700 hp); cheap insurance against a known failure.
⚑MT82 shifts poorly when hot (community consensus). Better fluid and a bracing kit help; big power eventually wants a stronger box.
04 The typical path
Intake → headers → tune → cams or forced induction. NA gains are modest on most platforms; the big unlock is boost, and boost starts at the fuel system.
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