How much boost can a stock lancer 4g94 handle?

The stock Mitsubishi Lancer equipped with the 4G94 engine can typically handle around 6 to 8 psi of boost without significant risk of engine failure or damage. Beyond this range, the engine's internals, particularly the pistons and rods, may not withstand the increased pressure, leading to potential issues such as detonation or engine knock. For higher boost levels, upgrades to the engine's components and tuning are recommended. Always ensure proper tuning and supporting modifications for reliability.