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Many people think fuel injection is akin to the dark arts, like Voodoo or something, but it’s not really that scary if you understand the basics of how an electronic fuel injection (EFI) system works. Without sounding like geeks in white lab coats, EFI is, essentially, a more precise way to control the fuel requirements of an engine. Where a carburetor is sized to an engine by its cfm rating and certain sized fuel jets are used to control fuel flow to the engine, EFI does the same thing via the cfm rating of its inlet, called a throttle body, and by the EFI’s fuel injectors. Think of the injectors as an electronic version of a carb jet, only they can vary in size, making the EFI system more precise for the engine’s fuel demands.

Photo Gallery: EFI Buyer’s Guide – Fueling Around – Modified Mustangs & Fords Magazine

Photo Gallery: EFI Buyer’s Guide – Fueling Around – Modified Mustangs & Fords Magazine

As we wrapped up our engine swap this month, we began to look back at the swap process itself and found it rather easy. Of course, we were swapping V-8 for V-8 with the same block architecture, so that made it a bolt-in effort right there. But when you start factoring in the conversion to fuel injection, modern induction, upgraded wiring, revamped cooling system, and more, the spend-o-meter can really start climbing. Honestly, we’re putting a lot of hardware into this Ranchero all at once. Not only are we upgrading to a fresh engine and topping it with EFI, but the owner desired to make the car more road friendly with power steering, power brakes, upgraded cooling, an A/C system, and more, so why not install everything at once and save time? We know plenty of classic car owners that sock away parts for months until they have everything they need to do a big swap or upgrade all at once, saving time and labor in the process.

Photo Gallery: Ford Racing X302 Engine Swap – X Marks The Spot, Part 3 – Modified Mustangs & Fords Magazine

Photo Gallery: Ford Racing X302 Engine Swap – X Marks The Spot, Part 3 – Modified Mustangs & Fords Magazine