USA FWD /// platform file
Dodge Neon SRT-4 build guide
2.4 turbo I4. What the stock hardware reliably supports, where it breaks first, and the fastest safe path to more.
The Dodge Neon SRT-4 makes 230 hp stock at roughly 3,000 lb (13 lb/hp). Its stock internals are good for about 400 hp, the fuel system for around 320 hp, and the stock turbo(s) flow about 300 hp. Below is the limit sheet carbuildcheck analyzes against, plus the platform's documented weak points.
01 Factory card
Stock power230 hp
Curb weight3,000 lb · 13 lb/hp
LayoutFWD
InductionTurbocharged
02 What stock parts support
Engine internals~400 hp
Fuel system~320 hp
Induction ceiling~300 hp
Clutch (manual)~280 hp
Transmission (auto/DCT)~300 hp
Cooling (sustained)~330 hp
Community-documented crank-hp planning figures, conservative by design. How these are used in the score →
03 Where it breaks first
The stock TD04 taps out here, but the 2.4 famously takes big boost on stock internals with honest tuning.
Twenty-year-old economy-car bones: mounts, bushings and boost-leak checks before chasing numbers.
04 The typical path
Stage 1 tune → intake → downpipe → intercooler → Stage 2 tune. Fueling before E85, driveline before sticky tires.
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