The 2003 4V DOHC – Eaton Swapped Mach 1 Engine is a modified engine based on the 2003 Ford Mustang Mach 1‘s 4.6L V8 engine. Here are some key points about this engine:

Base Engine:

· 2003 Ford Mustang Mach 1 4.6L V8 engine

· 4-valve DOHC (dual overhead camshaft) design

Modification:

· Eaton supercharger swap (replacing the original Roots-style supercharger)

· Increased boost pressure and performance

Specifications:

· Displacement: 4.6L (281 cu in)

· Power: approximately 425-450 horsepower (depending on tuning and configuration)

· Torque: approximately 400-425 lb-ft (depending on tuning and configuration)

· Redline: 6,500 rpm

· Fuel system: Fuel injection with 39 lb/hr fuel injectors

· Ignition system: Coil-on-plug ignition

Benefits:

· Increased power and torque output

· Improved throttle response and acceleration

· Enhanced engine sound and performance character

Compatibility:

· 2003 Ford Mustang Mach 1 (with modifications)

· Other 2001-2004 Ford Mustang models (with modifications)

Notes:

· The Eaton supercharger swap requires additional modifications, such as a new intake manifold, fuel system upgrades, and engine tuning.

· This engine modification is for performance enthusiasts and may void the factory warranty.

· Professional installation and tuning are recommended.