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The 4.3L I6 is an engine swap featured in Forza Motorsport (2023).

Synopsis[]

The 4.3L I6 with 302 hp (225 kW) in the Forza series is a six-cylinder engine that can be swapped onto various classic American muscle cars. It originates from the Chrysler VH Valiant Charger R/T E49.

Offering 302 hp (225 kW) in stock form and 732 hp (546 kW) maxed out, the 4.3L I6 may be viable for lower Performance Index class builds stock, and higher ones with Upgrades.

Upgrades[]

  • Fuel and Air
    • Carburetor - Race
    • Ignition - Street, Sport, Race
    • Exhaust - Street, Sport, Race
    • Air Filter - Street, Sport, Race
    • Intake Manifold and Throttle Body - Sport, Race
  • Engine
    • Camshaft - Street, Sport, Race
    • Valves - Street, Sport, Race
    • Displacement - Street, Sport, Race
    • Pistons and Compression - Street, Sport, Race
    • Flywheel - Street, Sport, Race
    • Oil and Cooling - Street, Sport, Race
  • Conversions
    • Single Turbo
    • Positive Displacement Supercharger

Cars[]