USA RWD /// platform file
Chevrolet Camaro SS / Corvette build guide
LS3 · 6.2 NA V8. What the stock hardware reliably supports, where it breaks first, and the fastest safe path to more.
The Chevrolet Camaro SS / Corvette makes 430 hp stock at roughly 3,900 lb (9.1 lb/hp). Its stock internals are good for about 800 hp, the fuel system for around 550 hp, and its naturally aspirated setup tops out around 510 hp without forced induction. Below is the limit sheet carbuildcheck analyzes against, plus the platform's documented weak points.
01 Factory card
Stock power430 hp
Curb weight3,900 lb · 9.1 lb/hp
LayoutRWD
InductionNaturally aspirated
02 What stock parts support
Engine internals~800 hp
Fuel system~550 hp
Induction ceiling~510 hp
Clutch (manual)~470 hp
Transmission (auto/DCT)~520 hp
Cooling (sustained)~520 hp
Community-documented crank-hp planning figures, conservative by design. How these are used in the score →
03 Where it breaks first
Cam swap = valve springs and trunnion upgrade in the same job. Skipping springs on a cammed LS is the classic mistake.
Stock LS3 rotating assembly handles ~750 hp on sane boost and a good tune — fueling usually taps out first.
04 The typical path
Intake → headers → tune → cams or forced induction. NA gains are honest but small; the big unlock is boost, and boost starts at the fuel system.
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