Big Block Chevy

427 Ford EFI Conversion: Throttle Body and Induction Options for FE and Windsor Big-Inch Builds

A 427 Ford EFI conversion requires throttle body sizing, intake manifold selection, and fuel system specification that accounts for the unique port geometry of the FE engine family, a set of constraints that makes the 427 FE a fundamentally different EFI conversion challenge from the 351 Windsor or 351 Cleveland, despite all three being large-displacement […]

Big Block Chevy EFI Conversion: Throttle Body Sizing, Intake Selection, and Tuning for 454 and 496 Builds

Big block Chevy EFI conversions require a minimum 90mm throttle body, injectors sized for at least 80% duty cycle at peak demand, and fuel delivery capable of sustaining 600 to 800-plus horsepower without pressure drop. A BBC does not tolerate the undersized hardware that works on a small block. The displacement, the airflow requirements, and […]

Category: Big Block Chevy

427 Ford EFI Conversion: Throttle Body and Induction Options for FE and Windsor Big-Inch Builds

Big Block Chevy EFI Conversion: Throttle Body Sizing, Intake Selection, and Tuning for 454 and 496 Builds