Holley Terminator X EFI: The Best Upgrade for a Third Gen Camaro graph.org

Once installed, the tuning process is where the Terminator X truly shines. The included handheld controller features a setup wizard that asks a few basic questions about your engine: displacement, number of cylinders, camshaft specifications, and fuel system type . After answering these questions, the system builds a custom base calibration. Owners report that their engines typically start within three cranks and require little to no additional adjustment for street driving . For those who want deeper control, the free Terminator X EFI software allows full laptop-based tuning with access to fuel, spark, and auxiliary output tables. The system continuously self-tunes as you drive, hitting target air-fuel ratios without constant manual intervention .