JDM AWD /// platform file
Mitsubishi Evo VIII / IX build guide
4G63 · 2.0 turbo I4. What the stock hardware reliably supports, where it breaks first, and the fastest safe path to more.
The Mitsubishi Evo VIII / IX makes 286 hp stock at roughly 3,300 lb (11.5 lb/hp). Its stock internals are good for about 520 hp, the fuel system for around 380 hp, and the stock turbo(s) flow about 340 hp. Below is the limit sheet carbuildcheck analyzes against, plus the platform's documented weak points.
01 Factory card
Stock power286 hp
Curb weight3,300 lb · 11.5 lb/hp
LayoutAWD
InductionTurbocharged
02 What stock parts support
Engine internals~520 hp
Fuel system~380 hp
Induction ceiling~340 hp
Clutch (manual)~320 hp
Transmission (auto/DCT)~420 hp
Cooling (sustained)~400 hp
Community-documented crank-hp planning figures, conservative by design. How these are used in the score →
03 Where it breaks first
Check crankwalk history on any 7-bolt 4G63 before building on it.
Transfer case and diffs run hot on long sessions — fluid cooler or strict cool-down laps.
04 The typical path
Stage 1 tune → intake → downpipe → intercooler → Stage 2 tune. Fueling before E85, driveline before sticky tires.
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